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vitormartinotti

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May 23rd, 2024
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C++ 0.43 KB | None | 0 0
  1. #include <bits/stdc++.h>
  2. #define MAXN 200010
  3.  
  4. typedef long long ll;
  5.  
  6. using namespace std;
  7.  
  8. long long int V[MAXN], SV[MAXN];
  9.  
  10. int main() {
  11.     int n, q; scanf("%d %d", &n, &q);
  12.  
  13.     for(int i = 1; i <= n; i++){
  14.         scanf("%lld", &V[i]);
  15.         SV[i] = V[i] + SV[i-1];
  16.     }
  17.  
  18.     while(q--){
  19.         int a, b; scanf("%d %d", &a, &b);
  20.         long long int soma = SV[b] - SV[a-1];
  21.         printf("%lld\n", soma);
  22.     }
  23.     return 0;
  24. }
  25.  
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