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  1.     // Coded By Vishal Mourya
  2.     #include<bits/stdc++.h>
  3.     #define ll long long int 
  4.     #define vec vector<ll> 
  5.     #define f(a,b) for(ll i = a ; i < b ; i++ )
  6.     #define fj(a,b) for(ll j = a ; j < b ; j++ )
  7.     #define fk(a,b) for(ll k = a ; k < b ; k++ )
  8.     #define fasthoja ios_base::sync_with_stdio(false); cin.tie(NULL);
  9.     using namespace std;
  10.  
  11.     int main(void){
  12.         fasthoja;
  13.         ll t; cin>>t;
  14.  
  15.         while(t--) {
  16.             ll n; cin >> n;
  17.             ll mat[n][n];
  18.             ll detr = 0, detc = 0;
  19.  
  20.             f(0,n) fj(0,n) {
  21.               cin >> mat[i][j];
  22.  
  23.               if( mat[i][j] == 2 ) // chinese detectives
  24.                  detr = i, detc = j; 
  25.             } 
  26.  
  27.             ll minDays = INT_MAX;
  28.  
  29.             f(0,n) {
  30.                 fj(0,n) {
  31.                     if( mat[i][j] == 1 ) {
  32.                         // Indian Troops
  33.                         ll dist = abs(i - detr) + abs(j - detc);
  34.                         minDays = min( minDays , dist ); 
  35.                     }
  36.                 }
  37.             }
  38.             cout << minDays << "\n";
  39.         }//end of test case loop
  40.  
  41.      return 0;
  42.     }
Success #stdin #stdout 0s 4504KB
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https://ideone.com/OLHz0d
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
secret

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