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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. signed main()
  5. {
  6.     ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  7.     int t;cin>>t;while(t--)
  8.     {
  9.         int n,m;cin>>n>>m;
  10.         char s[n][m];
  11.         int r[n]={},c[m]={};
  12.         for(int i=0;i<n;i++)
  13.         {
  14.             for(int o=0;o<m;o++)
  15.             {
  16.                 cin>>s[i][o];
  17.                 if(s[i][o]=='#')
  18.                 {
  19.                     r[i]++;
  20.                     c[o]++;
  21.                 }
  22.             }
  23.         }
  24.         int ans=0;
  25.         for(int i=0;i<n;i++)
  26.         {
  27.             for(int o=0;o<m;o++)
  28.             {
  29.                 if(s[i][o]=='#')
  30.                 {
  31.                     ans+=r[i]==n&&c[o]==m;
  32.                 }
  33.                 else
  34.                 {
  35.                     ans+=r[i]==n-1&&c[o]==m-1;
  36.                 }
  37.             }
  38.         }
  39.         cout<<ans<<'\n';
  40.     }
  41.     return 0;
  42. }
Success #stdin #stdout 0s 5284KB
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https://ideone.com/b23bnm
language:
C++14 (gcc 8.3)
created:
77 days ago
visibility:
public

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