Submission #3758

#	Time	Username	Problem	Language	Result	Execution time	Memory
3758		arine	Divide into triangle (kriii1_D)	C++98	1 / 1	0 ms	1684 KiB

D

#include <iostream>
#include <algorithm>
using namespace std;
typedef struct _point {
    int x, y;
    int num;
    bool operator<(const _point& A) const { return x<A.x || x==A.x && y<A.y; }
} point;

int N;
point data[905];

int main() {

    cin >> N;
    for(int i=0; i<3*N; ++i) {
        cin >> data[i].x >> data[i].y;
        data[i].num=i+1;
    }   
    sort(data, data+3*N);

    for(int i=0; i<3*N; i+=3)
        cout << data[i].num << " " << data[i+1].num << " " << data[i+2].num << endl;

    return 0;

}

• Subtask 1: 1 / 1