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  1. #include <stdio.h>
  2.  
  3. int prefixSum[100005];
  4.  
  5. int main() {
  6.     int N;
  7.     if (scanf("%d", &N) != 1) return 0;
  8.  
  9.     prefixSum[0] = 0;
  10.  
  11.     for (int i = 1; i <= N; i++) {
  12.         scanf("%d", &prefixSum[i]);
  13.     }
  14.  
  15.     int P;
  16.     int isFirst = 1; 
  17.  
  18.     while (scanf("%d", &P) == 1) {
  19.         if (P == -9) {
  20.             break; 
  21.         }
  22.  
  23.         if (!isFirst) {
  24.             printf(" ");
  25.         }
  26.  
  27.         printf("%d", prefixSum[P] - prefixSum[P - 1]);
  28.         isFirst = 0;
  29.     }
  30.     printf("\n");
  31.  
  32.     return 0;
  33. }
  34.  
Success #stdin #stdout 0s 5284KB
comments (?)
stdin
copy 
10
3 10 26 30 46 55 64 65 80 102
1 5 3 2 7 -9
stdout
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3 16 16 7 9
https://ideone.com/yKEfKk
language:
C (gcc 8.3)
created:
15 hours ago
visibility:
public

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