Submission #52071820

Source Code Expand

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#include<bits/stdc++.h>
using namespace std;
int main(){
    int N,temp,X,Y,res = 0,id;
    cin >> N;
    vector<pair<int,int>> A(N);
    for(int i = 0;i < N;i++){
        cin >> X >> Y;
        A[i].first = X;
        A[i].second = Y;
    }
    for(int i = 0;i < N;i++){
        res = 0;
        for(int j = 0;j < N;j++){
            if(i==j) continue;
            X = A[i].first - A[j].first;
            Y = A[i].second - A[j].second;
            temp = X*X + Y*Y;
            if(temp > res){
                res = temp;
                id = j+1;
 
 
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#include<bits/stdc++.h>
using namespace std;
int main(){
    int N,temp,X,Y,res = 0,id;
    cin >> N;
    vector<pair<int,int>> A(N);
    for(int i = 0;i < N;i++){
        cin >> X >> Y;
        A[i].first = X;
        A[i].second = Y;
    }
    for(int i = 0;i < N;i++){
        res = 0;
        for(int j = 0;j < N;j++){
            if(i==j) continue;
            X = A[i].first - A[j].first;
            Y = A[i].second - A[j].second;
            temp = X*X + Y*Y;
            if(temp > res){
                res = temp;
                id = j+1;
            }
        }
        cout << id << endl;
    }
}

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:24:17: warning: ‘id’ may be used uninitialized [-Wmaybe-uninitialized]
   24 |         cout << id << endl;
      |                 ^~
Main.cpp:4:28: note: ‘id’ was declared here
    4 |     int N,temp,X,Y,res = 0,id;
      |                            ^~

Judge Result