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  1. #include <stdio.h>
  2.  
  3. int main(){
  4.     int t;
  5.     scanf("%d",&t);
  6.     while(t--){
  7.         int n;
  8.         scanf("%d",&n);
  9.         int a[n];
  10.         int i;
  11.         for(i=0;i<n;i++){
  12.             scanf("%d",&a[n]);
  13.         }
  14.         int k;
  15.         int j=0;
  16.         for(j=0;j<n;j++){
  17.             k=j+1;
  18.             if(a[j]!=k){
  19.                 printf("%d",k);
  20.                 break;
  21.             }
  22.         }
  23.         }
  24.         return 0;
  25. }
  26.  
  27.  
Success #stdin #stdout 0s 9424KB
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https://ideone.com/h6h90a
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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