Submission #994696

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

const int N = 1234567;

int a[N], f[N];
int jmp[N];

int main() {
  int n;
  scanf("%d", &n);
  for (int i = 0; i < n - 1; i++) {
    scanf("%d", a + i);
  }
  int sum = 0;
  for (int i = 0; i < n - 1; i++) {
    for (int j = sum + 1; j <= sum + a[i]; j++) {
      jmp[j] = (i > 1) ? (2 * sum - j) : j;
    }
    sum += a[i];
  }
  for (int i = 0; i <= sum; i++) {
    if (jmp[i] > 0) {
      jmp[i] = jmp[jmp[i]];
    }
  }
  int tt;
  scanf("%d", &tt);
  while (tt--) {
    int x;
    scanf("%d", &x);
    int ans = sum - x;
    if (ans > 0) {
      ans = jmp[ans];
    }
    printf("%d\n", 2 * a[0] - ans);
  }
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &n);
                  ^
./Main.cpp:14:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", a + i);
                       ^
./Main.cpp:29:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &tt);
                   ^
./Main.cpp:32:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &x);
                    ^

Judge Result