Submission #872905

#	Time	Username	Problem	Language	Result	Execution time	Memory
872905		vjudge1	Best Place (NOI17_bestplace)	C++11	0 / 100	54 ms	412 KiB

bestplace

#include <iostream>
#include <algorithm>

using namespace std;

int main(){
    int N  = 0;
    cin >> N;
    int X_max,Y_max = 0;
    int X_min,Y_min = 0;
    for(int i = 0; i < N; i++){
        int first = 0;
        int second = 0;
        cin >> first;
        cin >> second;
        if(i == 0){
            X_max, X_min = first;
            Y_max, Y_min = second;
        }else{
            X_min = min(X_min, first);
            Y_min = min(Y_min, second);
            X_max = max(X_max, first);
            Y_max = max(Y_max, second);
        }
    }
    int x = X_max + X_min;
    int y = Y_max + Y_min;
    cout << x/2 << " " << y/2;
}

Compilation message (stderr)

bestplace.cpp: In function 'int main()':
bestplace.cpp:17:13: warning: left operand of comma operator has no effect [-Wunused-value]
   17 |             X_max, X_min = first;
      |             ^~~~~
bestplace.cpp:18:13: warning: left operand of comma operator has no effect [-Wunused-value]
   18 |             Y_max, Y_min = second;
      |             ^~~~~
bestplace.cpp:26:9: warning: 'X_min' may be used uninitialized in this function [-Wmaybe-uninitialized]
   26 |     int x = X_max + X_min;
      |         ^
bestplace.cpp:26:9: warning: 'X_max' may be used uninitialized in this function [-Wmaybe-uninitialized]

• Subtask 1: 0 / 3
• Subtask 2: 0 / 20
• Subtask 3: 0 / 28
• Subtask 4: 0 / 13
• Subtask 5: 0 / 17
• Subtask 6: 0 / 19