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- /** Header .. **/ //{
- #define LOCAL
- #include <functional>
- #include <algorithm>
- #include <iostream>
- #include <fstream>
- #include <sstream>
- #include <iomanip>
- #include <numeric>
- #include <cstring>
- #include <cassert>
- #include <cstdio>
- #include <string>
- #include <vector>
- #include <bitset>
- #include <queue>
- #include <stack>
- #include <cmath>
- #include <ctime>
- #include <list>
- #include <set>
- #include <map>
- using namespace std;
- #define REP(i, n) for (int i=0;i<int(n);++i)
- #define FOR(i, a, b) for (int i=int(a);i<int(b);++i)
- #define DWN(i, b, a) for (int i=int(b-1);i>=int(a);--i)
- #define REP_1(i, n) for (int i=1;i<=int(n);++i)
- #define FOR_1(i, a, b) for (int i=int(a);i<=int(b);++i)
- #define DWN_1(i, b, a) for (int i=int(b);i>=int(a);--i)
- #define REP_C(i, n) for (int n____=int(n),i=0;i<n____;++i)
- #define FOR_C(i, a, b) for (int b____=int(b),i=a;i<b____;++i)
- #define DWN_C(i, b, a) for (int a____=int(a),i=b-1;i>=a____;--i)
- #define REP_N(i, n) for (i=0;i<int(n);++i)
- #define FOR_N(i, a, b) for (i=int(a);i<int(b);++i)
- #define DWN_N(i, b, a) for (i=int(b-1);i>=int(a);--i)
- #define REP_1_C(i, n) for (int n____=int(n),i=1;i<=n____;++i)
- #define FOR_1_C(i, a, b) for (int b____=int(b),i=a;i<=b____;++i)
- #define DWN_1_C(i, b, a) for (int a____=int(a),i=b;i>=a____;--i)
- #define REP_1_N(i, n) for (i=1;i<=int(n);++i)
- #define FOR_1_N(i, a, b) for (i=int(a);i<=int(b);++i)
- #define DWN_1_N(i, b, a) for (i=int(b);i>=int(a);--i)
- #define REP_C_N(i, n) for (int n____=(i=0,int(n));i<n____;++i)
- #define FOR_C_N(i, a, b) for (int b____=(i=0,int(b);i<b____;++i)
- #define DWN_C_N(i, b, a) for (int a____=(i=b-1,int(a));i>=a____;--i)
- #define REP_1_C_N(i, n) for (int n____=(i=1,int(n));i<=n____;++i)
- #define FOR_1_C_N(i, a, b) for (int b____=(i=1,int(b);i<=b____;++i)
- #define DWN_1_C_N(i, b, a) for (int a____=(i=b,int(a));i>=a____;--i)
- #define ECH(it, A) for (__typeof(A.begin()) it=A.begin(); it != A.end(); ++it)
- #define REP_S(i, str) for (char*i=str;*i;++i)
- #define REP_L(i, hd, nxt) for (int i=hd;i;i=nxt[i])
- #define REP_G(i, u) REP_L(i,hd[u],suc)
- #define DO(n) for ( int ____n ## __line__ = n; ____n ## __line__ -- ; )
- #define REP_2(i, j, n, m) REP(i, n) REP(j, m)
- #define REP_2_1(i, j, n, m) REP_1(i, n) REP_1(j, m)
- #define REP_3(i, j, k, n, m, l) REP(i, n) REP(j, m) REP(k, l)
- #define REP_3_1(i, j, k, n, m, l) REP_1(i, n) REP_1(j, m) REP_1(k, l)
- #define REP_4(i, j, k, ii, n, m, l, nn) REP(i, n) REP(j, m) REP(k, l) REP(ii, nn)
- #define REP_4_1(i, j, k, ii, n, m, l, nn) REP_1(i, n) REP_1(j, m) REP_1(k, l) REP_1(ii, nn)
- #define ALL(A) A.begin(), A.end()
- #define LLA(A) A.rbegin(), A.rend()
- #define CPY(A, B) memcpy(A, B, sizeof(A))
- #define INS(A, P, B) A.insert(A.begin() + P, B)
- #define ERS(A, P) A.erase(A.begin() + P)
- #define BSC(A, x) (lower_bound(ALL(A), x) - A.begin())
- #define CTN(T, x) (T.find(x) != T.end())
- #define SZ(A) int(A.size())
- #define PB push_back
- #define MP(A, B) make_pair(A, B)
- #define PTT pair<T, T>
- #define fi first
- #define se second
- #define Rush for(int ____T=RD(); ____T--;)
- #define Display(A, n, m) { \
- REP(i, n){ \
- REP(j, m) cout << A[i][j] << " "; \
- cout << endl; \
- } \
- }
- #define Display_1(A, n, m) { \
- REP_1(i, n){ \
- REP_1(j, m) cout << A[i][j] << " "; \
- cout << endl; \
- } \
- }
- #pragma comment(linker, "/STACK:36777216")
- //#pragma GCC optimize ("O2")
- #define Ruby system("ruby main.rb")
- #define Haskell system("runghc main.hs")
- #define Python system("python main.py")
- #define Pascal system("fpc main.pas")
- typedef long long LL;
- //typedef long double DB;
- typedef double DB;
- typedef unsigned UINT;
- typedef unsigned long long ULL;
- typedef vector<int> VI;
- typedef vector<char> VC;
- typedef vector<string> VS;
- typedef vector<LL> VL;
- typedef vector<DB> VF;
- typedef set<int> SI;
- typedef set<string> SS;
- typedef map<int, int> MII;
- typedef map<string, int> MSI;
- typedef pair<int, int> PII;
- typedef pair<LL, LL> PLL;
- typedef vector<PII> VII;
- typedef vector<VI> VVI;
- typedef vector<VII> VVII;
- template<class T> inline T& RD(T &);
- template<class T> inline void OT(const T &);
- inline LL RD(){LL x; return RD(x);}
- inline DB& RF(DB &);
- inline DB RF(){DB x; return RF(x);}
- inline char* RS(char *s);
- inline char& RC(char &c);
- inline char RC();
- inline char& RC(char &c){scanf(" %c", &c); return c;}
- inline char RC(){char c; return RC(c);}
- //inline char& RC(char &c){c = getchar(); return c;}
- //inline char RC(){return getchar();}
- template<class T> inline T& RDD(T &x){
- char c; for (c = getchar(); c < '-'; c = getchar());
- if (c == '-'){x = '0' - getchar(); for (c = getchar(); '0' <= c && c <= '9'; c = getchar()) x = x * 10 + '0' - c;}
- else {x = c - '0'; for (c = getchar(); '0' <= c && c <= '9'; c = getchar()) x = x * 10 + c - '0';}
- return x;
- }
- inline LL RDD(){LL x; return RDD(x);}
- template<class T0, class T1> inline T0& RD(T0 &x0, T1 &x1){RD(x0), RD(x1); return x0;}
- template<class T0, class T1, class T2> inline T0& RD(T0 &x0, T1 &x1, T2 &x2){RD(x0), RD(x1), RD(x2); return x0;}
- template<class T0, class T1, class T2, class T3> inline T0& RD(T0 &x0, T1 &x1, T2 &x2, T3 &x3){RD(x0), RD(x1), RD(x2), RD(x3); return x0;}
- template<class T0, class T1, class T2, class T3, class T4> inline T0& RD(T0 &x0, T1 &x1, T2 &x2, T3 &x3, T4 &x4){RD(x0), RD(x1), RD(x2), RD(x3), RD(x4); return x0;}
- template<class T0, class T1, class T2, class T3, class T4, class T5> inline T0& RD(T0 &x0, T1 &x1, T2 &x2, T3 &x3, T4 &x4, T5 &x5){RD(x0), RD(x1), RD(x2), RD(x3), RD(x4), RD(x5); return x0;}
- template<class T0, class T1, class T2, class T3, class T4, class T5, class T6> inline T0& RD(T0 &x0, T1 &x1, T2 &x2, T3 &x3, T4 &x4, T5 &x5, T6 &x6){RD(x0), RD(x1), RD(x2), RD(x3), RD(x4), RD(x5), RD(x6); return x0;}
- template<class T0, class T1> inline void OT(const T0 &x0, const T1 &x1){OT(x0), OT(x1);}
- template<class T0, class T1, class T2> inline void OT(const T0 &x0, const T1 &x1, const T2 &x2){OT(x0), OT(x1), OT(x2);}
- template<class T0, class T1, class T2, class T3> inline void OT(const T0 &x0, const T1 &x1, const T2 &x2, const T3 &x3){OT(x0), OT(x1), OT(x2), OT(x3);}
- template<class T0, class T1, class T2, class T3, class T4> inline void OT(const T0 &x0, const T1 &x1, const T2 &x2, const T3 &x3, const T4 &x4){OT(x0), OT(x1), OT(x2), OT(x3), OT(x4);}
- template<class T0, class T1, class T2, class T3, class T4, class T5> inline void OT(const T0 &x0, const T1 &x1, const T2 &x2, const T3 &x3, const T4 &x4, const T5 &x5){OT(x0), OT(x1), OT(x2), OT(x3), OT(x4), OT(x5);}
- template<class T0, class T1, class T2, class T3, class T4, class T5, class T6> inline void OT(const T0 &x0, const T1 &x1, const T2 &x2, const T3 &x3, const T4 &x4, const T5 &x5, const T6 &x6){OT(x0), OT(x1), OT(x2), OT(x3), OT(x4), OT(x5), OT(x6);}
- inline char& RC(char &a, char &b){RC(a), RC(b); return a;}
- inline char& RC(char &a, char &b, char &c){RC(a), RC(b), RC(c); return a;}
- inline char& RC(char &a, char &b, char &c, char &d){RC(a), RC(b), RC(c), RC(d); return a;}
- inline char& RC(char &a, char &b, char &c, char &d, char &e){RC(a), RC(b), RC(c), RC(d), RC(e); return a;}
- inline char& RC(char &a, char &b, char &c, char &d, char &e, char &f){RC(a), RC(b), RC(c), RC(d), RC(e), RC(f); return a;}
- inline char& RC(char &a, char &b, char &c, char &d, char &e, char &f, char &g){RC(a), RC(b), RC(c), RC(d), RC(e), RC(f), RC(g); return a;}
- inline DB& RF(DB &a, DB &b){RF(a), RF(b); return a;}
- inline DB& RF(DB &a, DB &b, DB &c){RF(a), RF(b), RF(c); return a;}
- inline DB& RF(DB &a, DB &b, DB &c, DB &d){RF(a), RF(b), RF(c), RF(d); return a;}
- inline DB& RF(DB &a, DB &b, DB &c, DB &d, DB &e){RF(a), RF(b), RF(c), RF(d), RF(e); return a;}
- inline DB& RF(DB &a, DB &b, DB &c, DB &d, DB &e, DB &f){RF(a), RF(b), RF(c), RF(d), RF(e), RF(f); return a;}
- inline DB& RF(DB &a, DB &b, DB &c, DB &d, DB &e, DB &f, DB &g){RF(a), RF(b), RF(c), RF(d), RF(e), RF(f), RF(g); return a;}
- inline void RS(char *s1, char *s2){RS(s1), RS(s2);}
- inline void RS(char *s1, char *s2, char *s3){RS(s1), RS(s2), RS(s3);}
- template<class T0,class T1>inline void RDD(const T0&a, const T1&b){RDD(a),RDD(b);}
- template<class T0,class T1,class T2>inline void RDD(const T0&a, const T1&b, const T2&c){RDD(a),RDD(b),RDD(c);}
- template<class T> inline void RST(T &A){memset(A, 0, sizeof(A));}
- template<class T> inline void FLC(T &A, int x){memset(A, x, sizeof(A));}
- template<class T> inline void CLR(T &A){A.clear();}
- template<class T0, class T1> inline void RST(T0 &A0, T1 &A1){RST(A0), RST(A1);}
- template<class T0, class T1, class T2> inline void RST(T0 &A0, T1 &A1, T2 &A2){RST(A0), RST(A1), RST(A2);}
- template<class T0, class T1, class T2, class T3> inline void RST(T0 &A0, T1 &A1, T2 &A2, T3 &A3){RST(A0), RST(A1), RST(A2), RST(A3);}
- template<class T0, class T1, class T2, class T3, class T4> inline void RST(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4){RST(A0), RST(A1), RST(A2), RST(A3), RST(A4);}
- template<class T0, class T1, class T2, class T3, class T4, class T5> inline void RST(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4, T5 &A5){RST(A0), RST(A1), RST(A2), RST(A3), RST(A4), RST(A5);}
- template<class T0, class T1, class T2, class T3, class T4, class T5, class T6> inline void RST(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4, T5 &A5, T6 &A6){RST(A0), RST(A1), RST(A2), RST(A3), RST(A4), RST(A5), RST(A6);}
- template<class T0, class T1> inline void FLC(T0 &A0, T1 &A1, int x){FLC(A0, x), FLC(A1, x);}
- template<class T0, class T1, class T2> inline void FLC(T0 &A0, T1 &A1, T2 &A2, int x){FLC(A0, x), FLC(A1, x), FLC(A2, x);}
- template<class T0, class T1, class T2, class T3> inline void FLC(T0 &A0, T1 &A1, T2 &A2, T3 &A3, int x){FLC(A0, x), FLC(A1, x), FLC(A2, x), FLC(A3, x);}
- template<class T0, class T1, class T2, class T3, class T4> inline void FLC(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4, int x){FLC(A0, x), FLC(A1, x), FLC(A2, x), FLC(A3, x), FLC(A4, x);}
- template<class T0, class T1, class T2, class T3, class T4, class T5> inline void FLC(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4, T5 &A5, int x){FLC(A0, x), FLC(A1, x), FLC(A2, x), FLC(A3, x), FLC(A4, x), FLC(A5, x);}
- template<class T0, class T1, class T2, class T3, class T4, class T5, class T6> inline void FLC(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4, T5 &A5, T6 &A6, int x){FLC(A0, x), FLC(A1, x), FLC(A2, x), FLC(A3, x), FLC(A4, x), FLC(A5, x), FLC(A6, x);}
- template<class T> inline void CLR(priority_queue<T, vector<T>, less<T> > &Q){while (!Q.empty()) Q.pop();}
- template<class T> inline void CLR(priority_queue<T, vector<T>, greater<T> > &Q){while (!Q.empty()) Q.pop();}
- template<class T0, class T1> inline void CLR(T0 &A0, T1 &A1){CLR(A0), CLR(A1);}
- template<class T0, class T1, class T2> inline void CLR(T0 &A0, T1 &A1, T2 &A2){CLR(A0), CLR(A1), CLR(A2);}
- template<class T0, class T1, class T2, class T3> inline void CLR(T0 &A0, T1 &A1, T2 &A2, T3 &A3){CLR(A0), CLR(A1), CLR(A2), CLR(A3);}
- template<class T0, class T1, class T2, class T3, class T4> inline void CLR(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4){CLR(A0), CLR(A1), CLR(A2), CLR(A3), CLR(A4);}
- template<class T0, class T1, class T2, class T3, class T4, class T5> inline void CLR(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4, T5 &A5){CLR(A0), CLR(A1), CLR(A2), CLR(A3), CLR(A4), CLR(A5);}
- template<class T0, class T1, class T2, class T3, class T4, class T5, class T6> inline void CLR(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4, T5 &A5, T6 &A6){CLR(A0), CLR(A1), CLR(A2), CLR(A3), CLR(A4), CLR(A5), CLR(A6);}
- template<class T> inline void CLR(T &A, int n){REP(i, n) CLR(A[i]);}
- template<class T> inline T& SRT(T &A){sort(ALL(A)); return A;}
- template<class T, class C> inline T& SRT(T &A, C B){sort(ALL(A), B); return A;}
- template<class T> inline T& UNQ(T &A){A.resize(unique(ALL(SRT(A)))-A.begin());return A;}
- //}
- /** Constant List .. **/ //{
- const int dx4[] = {-1, 0, 1, 0};
- const int dy4[] = {0, 1, 0, -1};
- const int dx8[] = {-1, 0, 1, 0 , -1 , -1 , 1 , 1};
- const int dy8[] = {0, 1, 0, -1 , -1 , 1 , -1 , 1};
- const int dxhorse[] = {-2 , -2 , -1 , -1 , 1 , 1 , 2 , 2};
- const int dyhorse[] = {1 , -1 , 2 , -2 , 2 ,-2 , 1 ,-1};
- const int MOD = 1000000007;
- //int MOD = 99990001;
- const int INF = 0x3f3f3f3f;
- const LL INFF = 1LL << 60;
- const DB EPS = 1e-9;
- const DB OO = 1e15;
- const DB PI = acos(-1.0); //M_PI;
- //}
- /** Add On .. **/ //{
- // <<= '0. Nichi Joo ., //{
- template<class T> inline void checkMin(T &a,const T b){if (b<a) a=b;}
- template<class T> inline void checkMax(T &a,const T b){if (a<b) a=b;}
- template<class T> inline void checkMin(T &a, T &b, const T x){checkMin(a, x), checkMin(b, x);}
- template<class T> inline void checkMax(T &a, T &b, const T x){checkMax(a, x), checkMax(b, x);}
- template <class T, class C> inline void checkMin(T& a, const T b, C c){if (c(b,a)) a = b;}
- template <class T, class C> inline void checkMax(T& a, const T b, C c){if (c(a,b)) a = b;}
- template<class T> inline T min(T a, T b, T c){return min(min(a, b), c);}
- template<class T> inline T max(T a, T b, T c){return max(max(a, b), c);}
- template<class T> inline T min(T a, T b, T c, T d){return min(min(a, b), min(c, d));}
- template<class T> inline T max(T a, T b, T c, T d){return max(max(a, b), max(c, d));}
- template<class T> inline T sqr(T a){return a*a;}
- template<class T> inline T cub(T a){return a*a*a;}
- inline int ceil(int x, int y){return (x - 1) / y + 1;}
- inline int sgn(DB x){return x < -EPS ? -1 : x > EPS;}
- inline int sgn(DB x, DB y){return sgn(x - y);}
- //}
- // <<= '1. Bitwise Operation ., //{
- namespace BO{
- inline bool _1(int x, int i){return bool(x&1<<i);}
- inline bool _1(LL x, int i){return bool(x&1LL<<i);}
- inline LL _1(int i){return 1LL<<i;}
- inline LL _U(int i){return _1(i) - 1;};
- inline int reverse_bits(int x){
- x = ((x >> 1) & 0x55555555) | ((x << 1) & 0xaaaaaaaa);
- x = ((x >> 2) & 0x33333333) | ((x << 2) & 0xcccccccc);
- x = ((x >> 4) & 0x0f0f0f0f) | ((x << 4) & 0xf0f0f0f0);
- x = ((x >> 8) & 0x00ff00ff) | ((x << 8) & 0xff00ff00);
- x = ((x >>16) & 0x0000ffff) | ((x <<16) & 0xffff0000);
- return x;
- }
- inline LL reverse_bits(LL x){
- x = ((x >> 1) & 0x5555555555555555LL) | ((x << 1) & 0xaaaaaaaaaaaaaaaaLL);
- x = ((x >> 2) & 0x3333333333333333LL) | ((x << 2) & 0xccccccccccccccccLL);
- x = ((x >> 4) & 0x0f0f0f0f0f0f0f0fLL) | ((x << 4) & 0xf0f0f0f0f0f0f0f0LL);
- x = ((x >> 8) & 0x00ff00ff00ff00ffLL) | ((x << 8) & 0xff00ff00ff00ff00LL);
- x = ((x >>16) & 0x0000ffff0000ffffLL) | ((x <<16) & 0xffff0000ffff0000LL);
- x = ((x >>32) & 0x00000000ffffffffLL) | ((x <<32) & 0xffffffff00000000LL);
- return x;
- }
- template<class T> inline bool odd(T x){return x&1;}
- template<class T> inline bool even(T x){return !odd(x);}
- template<class T> inline T low_bit(T x) {return x & -x;}
- template<class T> inline T high_bit(T x) {T p = low_bit(x);while (p != x) x -= p, p = low_bit(x);return p;}
- template<class T> inline T cover_bit(T x){T p = 1; while (p < x) p <<= 1;return p;}
- inline int low_idx(int x){return __builtin_ffs(x);}
- inline int low_idx(LL x){return __builtin_ffsll(x);}
- inline int high_idx(int x){return low_idx(reverse_bits(x));}
- inline int high_idx(LL x){return low_idx(reverse_bits(x));}
- inline int clz(int x){return __builtin_clz(x);}
- inline int clz(LL x){return __builtin_clzll(x);}
- inline int ctz(int x){return __builtin_ctz(x);}
- inline int ctz(LL x){return __builtin_ctzll(x);}
- inline int parity(int x){return __builtin_parity(x);}
- inline int parity(LL x){return __builtin_parityll(x);}
- inline int lg2(int a){return 31 - clz(a);}
- inline int lg2(LL a){return 63 - clz(a);}
- inline int count_bits(int x){return __builtin_popcount(x);}
- inline int count_bits(LL x){return __builtin_popcountll(x);}
- } using namespace BO;//}
- // <<= '2. Number Theory .,//{
- namespace NT{
- inline LL __lcm(LL a, LL b){return a*b/__gcd(a,b);}
- inline void INC(int &a, int b){a += b; if (a >= MOD) a -= MOD;}
- inline int sum(int a, int b){a += b; if (a >= MOD) a -= MOD; return a;}
- inline void DEC(int &a, int b){a -= b; if (a < 0) a += MOD;}
- inline int dff(int a, int b){a -= b; if (a < 0) a += MOD; return a;}
- inline void MUL(int &a, int b){a = (LL)a * b % MOD;}
- inline int pdt(int a, int b){return (LL)a * b % MOD;}
- inline int sum(int a, int b, int c){return sum(sum(a, b), c);}
- inline int sum(int a, int b, int c, int d){return sum(sum(a, b), sum(c, d));}
- inline int pdt(int a, int b, int c){return pdt(pdt(a, b), c);}
- inline int pdt(int a, int b, int c, int d){return pdt(pdt(pdt(a, b), c), d);}
- inline int pow(int a, int b){
- int c(1); while (b){
- if (b&1) MUL(c, a);
- MUL(a, a), b >>= 1;
- }
- return c;
- }
- inline int pow(int a, LL b){
- int c(1); while (b){
- if (b&1) MUL(c, a);
- MUL(a, a), b >>= 1;
- }
- return c;
- }
- template<class T> inline T pow(T a, LL b){
- T c(1); while (b){
- if (b&1) c *= a;
- a *= a, b >>= 1;
- }
- return c;
- }
- inline int _I(int b){
- int a = MOD, x1 = 0, x2 = 1, q;
- while (true){
- q = a / b, a %= b;
- if (!a) return (x2 + MOD) % MOD;
- DEC(x1, pdt(q, x2));
- q = b / a, b %= a;
- if (!b) return (x1 + MOD) % MOD;
- DEC(x2, pdt(q, x1));
- }
- }
- inline void DIV(int &a, int b){MUL(a, _I(b));}
- inline int qtt(int a, int b){return pdt(a, _I(b));}
- inline int phi(int n){
- int res = n; for (int i=2;sqr(i)<=n;++i) if (!(n%i)){
- DEC(res, qtt(res, i));
- do{n /= i;} while(!(n%i));
- }
- if (n != 1)
- DEC(res, qtt(res, n));
- return res;
- }
- } using namespace NT;//}
- //}
- /** Miscellaneous .. **/ //{
- // <<= 'Random Event .. . //{
- namespace RNG{
- //srand((unsigned)time(NULL));
- inline unsigned int rand16(){return ((rand()) << 15) ^ rand();}
- inline unsigned int rand32(){return (rand16() << 16) | rand16();}
- inline ULL rand64(){return ((LL)rand32() << 32) | rand32();}
- inline ULL random(LL l, LL r){return l == r ? l : rand64() % (r - l) + l;}
- int dice(){return rand() % 6;}
- bool coin(){return bool(rand() % 2);}
- } using namespace RNG;
- //}
- // <<= 'Clock .. . //{
- namespace CLOCK{
- DB s0, s1, rd, k, T;
- inline DB getTime(){
- #ifdef LOCAL
- return 1.0 * clock() / CLOCKS_PER_SEC;
- #else
- timeval tv;
- gettimeofday(&tv, 0);
- return tv.tv_sec + tv.tv_usec * 1e-6;
- #endif
- }
- inline void st0(DB _T = 0.98){T = _T, s0 = getTime();}
- inline void st1(DB _k = 1.618){k = _k, s1 = getTime();}
- inline void ed1(){rd = getTime() - s1;}
- inline DB elapsed(){return getTime() - s0;}
- inline bool safe(){return elapsed() + rd * k < T;}
- } //using namespace CLOCK;
- //}
- // <<= 'Temp .. . //{
- namespace TMP{
- template<class T> PTT operator+(const PTT &p1, const PTT &p2) {
- return PTT(p1.fi + p2.fi, p1.se + p2.se);
- }
- template<class T> PTT operator-(const PTT &p1, const PTT &p2) {
- return PTT(p1.fi - p2.fi, p1.se - p2.se);
- }
- template<class T> PTT operator*(const PTT &lhs, T k){
- return PTT(lhs.fi * k, lhs.se * k);
- }
- } using namespace TMP;
- //}
- //}
- /** Algorithm .. */ //{
- // <<= '-. Math .,//{
- namespace Math{
- typedef long long typec;
- ///Lib functions
- typec GCD(typec a, typec b)
- {
- return b ? GCD(b, a % b) : a;
- }
- typec extendGCD(typec a, typec b, typec& x, typec& y)
- {
- if(!b) return x = 1, y = 0, a;
- typec res = extendGCD(b, a % b, x, y), tmp = x;
- x = y, y = tmp - (a / b) * y;
- return res;
- }
- ///for x^k
- typec power(typec x, typec k)
- {
- typec res = 1;
- while(k)
- {
- if(k&1) res *= x;
- x *= x, k >>= 1;
- }
- return res;
- }
- ///for x^k mod m
- typec powerMod(typec x, typec k, typec m)
- {
- typec res = 1;
- while(x %= m, k)
- {
- if(k&1) res *= x, res %= m;
- x *= x, k >>=1;
- }
- return res;
- }
- /***************************************
- Inverse in mod p^t system
- ***************************************/
- typec inverse(typec a, typec p, typec t = 1)
- {
- typec pt = power(p, t);
- typec x, y;
- y = extendGCD(a, pt, x, y);
- return x < 0 ? x += pt : x;
- }
- /***************************************
- Linear congruence theorem
- x = a (mod p)
- x = b (mod q)
- for gcd(p, q) = 1, 0 <= x < pq
- ***************************************/
- typec linearCongruence(typec a, typec b, typec p, typec q)
- {
- typec x, y;
- y = extendGCD(p, q, x, y);
- while(b < a) b += q / y;
- x *= b - a, x = p * x + a, x %= p * q;
- if(x < 0) x += p * q;
- return x;
- }
- /***************************************
- prime table
- O(n)
- ***************************************/
- const int PRIMERANGE = 1000000;
- int prime[PRIMERANGE + 1];
- int getPrime()
- {
- memset (prime, 0, sizeof (int) * (PRIMERANGE + 1));
- for (int i = 2; i <= PRIMERANGE; i++)
- {
- if (!prime[i]) prime[++prime[0]] = i;
- for (int j = 1; j <= prime[0] && prime[j] <= PRIMERANGE / i; j++)
- {
- prime[prime[j]*i] = 1;
- if (i % prime[j] == 0) break;
- }
- }
- return prime[0];
- }
- /***************************************
- get factor of n
- O(sqrt(n))
- factor[][0] is prime factor
- factor[][1] is factor generated by this prime
- factor[][2] is factor counter
- need: Prime Table
- ***************************************/
- ///you should init the prime table before
- int factor[100][3], facCnt;
- int getFactors(int x)
- {
- facCnt = 0;
- int tmp = x;
- for(int i = 1; prime[i] <= tmp / prime[i]; i++)
- {
- factor[facCnt][1] = 1, factor[facCnt][2] = 0;
- if(tmp % prime[i] == 0)
- factor[facCnt][0] = prime[i];
- while(tmp % prime[i] == 0)
- factor[facCnt][2]++, factor[facCnt][1] *= prime[i], tmp /= prime[i];
- if(factor[facCnt][1] > 1) facCnt++;
- }
- if(tmp != 1)
- factor[facCnt][0] = tmp, factor[facCnt][1] = tmp, factor[facCnt++][2] = 1;
- return facCnt;
- }
- typec combinationModP(typec n, typec k, typec p)
- {
- if(k > n) return 0;
- if(n - k < k) k = n - k;
- typec a = 1, b = 1, x, y;
- int pcnt = 0;
- for(int i = 1; i <= k; i++)
- {
- x = n - i + 1, y = i;
- while(x % p == 0) x /= p, pcnt++;
- while(y % p == 0) y /= p, pcnt--;
- x %= p, y %= p, a *= x, b *= y;
- b %= p, a %= p;
- }
- if(pcnt) return 0;
- extendGCD(b, p, x, y);
- if(x < 0) x += p;
- a *= x, a %= p;
- return a;
- }
- };//using namespace Math;
- //}
- // <<= '-. Geo ,.//{
- namespace Geo{
- #define typec double
- const typec eps=1e-8;
- int dblcmp(double d){
- return d < -eps ? -1 : d > eps;
- }
- int sgn(double a) {return a<-eps?-1:a>eps;}
- inline double sqr(double x){return x*x;}
- struct Point2D{
- typec x,y;
- Point2D(){}
- Point2D(typec _x,typec _y):x(_x),y(_y){};
- void input(){
- scanf("%lf%lf",&x,&y);
- }
- void output(){
- printf("%.2f %.2f\n",x,y);
- }
- bool operator==(Point2D a)const{
- return dblcmp(a.x-x)==0&&dblcmp(a.y-y)==0;
- }
- bool operator<(Point2D a)const{
- return dblcmp(a.x-x)==0?dblcmp(y-a.y)<0:x<a.x;
- }
- typec len(){
- return hypot(x,y);
- }
- typec len2(){
- return x*x+y*y;
- }
- Point2D operator + (const Point2D &A) const{
- return Point2D(x + A.x , y + A.y);
- }
- Point2D operator - (const Point2D &A) const{
- return Point2D(x - A.x , y - A.y);
- }
- Point2D operator * (const typec _x) const{
- return Point2D(x * _x , y * _x);
- }
- typec operator * (const Point2D &A) const{
- return x * A.x + y * A.y;
- }
- typec operator ^ (const Point2D &A) const{
- return x * A.y - y * A.x;
- }
- Point2D operator / (const typec _p) const{
- return Point2D(x / _p , y / _p);
- }
- typec distance(Point2D p){
- return hypot(x-p.x,y-p.y);
- }
- Point2D add(Point2D p){
- return Point2D(x+p.x,y+p.y);
- }
- Point2D sub(Point2D p){
- return Point2D(x-p.x,y-p.y);
- }
- Point2D mul(typec b){
- return Point2D(x*b,y*b);
- }
- Point2D div(typec b){
- return Point2D(x/b,y/b);
- }
- typec dot(Point2D p){
- return x*p.x+y*p.y;
- }
- typec det(Point2D p){
- return x*p.y-y*p.x;
- }
- typec rad(Point2D a,Point2D b){
- Point2D p=*this;
- return fabs(atan2(fabs(a.sub(p).det(b.sub(p))),a.sub(p).dot(b.sub(p))));
- }
- Point2D trunc(typec r){
- typec l=len();
- if (!dblcmp(l))return *this;
- r/=l;
- return Point2D(x*r,y*r);
- }
- Point2D rotleft(){
- return Point2D(-y,x);
- }
- Point2D rotright(){
- return Point2D(y,-x);
- }
- Point2D rotate(Point2D p,typec angle)//�Ƶ�p��ʱ����תangle�Ƕ�
- {
- Point2D v=this->sub(p);
- typec c=cos(angle),s=sin(angle);
- return Point2D(p.x+v.x*c-v.y*s,p.y+v.x*s+v.y*c);
- }
- };
- typec cross(Point2D a,Point2D b,Point2D c){
- return (b.sub(a)).det(c.sub(a));
- }
- }using namespace Geo;
- //}
- //}
- /** I/O Accelerator Interface .. **/ //{
- template<class T> inline T& RD(T &x){
- //cin >> x;
- //scanf("%d", &x);
- char c; for (c = getchar(); c < '-'; c = getchar());
- if (c == '-'){x = '0' - getchar(); for (c = getchar(); '0' <= c && c <= '9'; c = getchar()) x = x * 10 + '0' - c;}
- else {x = c - '0'; for (c = getchar(); '0' <= c && c <= '9'; c = getchar()) x = x * 10 + c - '0';}
- return x;
- }
- inline DB& RF(DB &x){
- //cin >> x;
- scanf("%lf", &x);
- /*char t; while ((t=getchar())==' '||t=='\n'); x = t - '0';
- while ((t=getchar())!=' '&&t!='\n'&&t!='.')x*=10,x+=t-'0';
- if (t=='.'){DB l=1; while ((t=getchar())!=' '&&t!='\n')l*=0.1,x += (t-'0')*l;}*/
- return x;
- }
- inline char* RS(char *s){
- //gets(s);
- scanf("%s", s);
- return s;
- }
- int Case; template<class T> inline void OT(const T &x){
- //printf("Case %d: %d\n", ++Case, x);
- //printf("%.2lf\n", x);
- //printf("%d\n", x);
- cout << x << endl;
- }
- //}
- /* .................................................................................................................................. */
- int n , a , b;
- int ans[109][109];
- int main(){
- RD(n , a , b);
- if (n > a * b){
- puts("-1");
- return 0;
- }
- int c = 0;
- for (int i = 0 ; i < a ; ++i){
- if (b % 2 == 0 && i % 2 == 1){
- for (int j = b - 1 ; j >= 0 ; --j){
- ++c;
- if (c > n) ans[i][j] = 0;
- else ans[i][j] = c;
- }
- }
- else{
- for (int j = 0 ; j < b ; ++j){
- ++c;
- if (c > n) ans[i][j] = 0;
- else ans[i][j] = c;
- }
- }
- }
- for (int i = 0 ; i < a ; ++i){
- for (int j = 0 ; j < b ; ++j)
- printf("%d%c" , ans[i][j] , " \n"[j + 1 == b]);
- }
- }
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