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Jan 20th, 2020
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C++ 0.42 KB | None | 0 0
  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. typedef long long ll;
  4. int main(){
  5. ll t,n,a[10005],i,f,c=0;
  6. cin>>t;
  7. while(t--){
  8.         f=0;
  9.     cin>>n;
  10.     while(n--)
  11.         for(i=1;i<=n;i++)cin>>a[i];
  12.          for(i=1;i<=n;i++){
  13.  
  14.          for(i=1;i<n;i++){
  15.             if((i-1)==a[i]||(n-i)==a[i])f=1;
  16.          }
  17.          }
  18. if(f)printf("Case %lld: yes\n",++c);
  19. else printf("Case %lld: no\n",++c);
  20. }
  21. return 0;
  22. }
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