Run id: 64154

Main.cc: In function 'int main()':
Main.cc:17:18: error: 'n' was not declared in this scope
    if(i==j||i+j==n-1){
                  ^
Main.cc:7:17: warning: unused variable 'b' [-Wunused-variable]
  double a[x][y],b[x][y]; 
                 ^
Main.cc:8:12: warning: unused variable 'min' [-Wunused-variable]
  long long min=0;
            ^