adj->inc

#include <iostream>
using namespace std;
#define NMAX 103
int n, m, top = 1;
bool a[NMAX][NMAX];
int inc[NMAX][NMAX], last;

void read() {
    cin >> n >> m;
    for (int i = 0; i < m; i++) {
        int x, y;
        cin >> x >> y;
        a[x][y] = true;
    }
}

void solve() {
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            if (a[i][j]) {
                last++;
                inc[i][last] = 1;
                inc[j][last] = -1;
            }
        }
    }
}

void write() {
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            cout << inc[i][j] << ' ';
        }
        cout << endl;
    }
}

int main() {
    read();
    solve();
    write();
    return 0;
}