foo.cc: In function ‘int main()’:
foo.cc:49:17: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
   49 |                 if(!a[j]&&mp[i][j])
      |                 ^~
foo.cc:50:28: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
   50 |                     a[j]=1;cnt++;
      |                            ^~~