제출 #3626

#제출 시각아이디문제언어결과실행 시간메모리
3626BalloonCollectorDivide into triangle (kriii1_D)C++98
1 / 1
0 ms1208 KiB
#include <cstdio>
#include <algorithm>
#include <vector>

using namespace std;

typedef pair <int, int> ii;
typedef pair <ii, int> iii;
vector < iii > v;

int main(){
	int n;
	scanf("%d", &n);

	for(int i=0; i< 3*n; i++){
		int x, y;
		scanf("%d %d", &x, &y);
		v.push_back(iii(ii(x, y), i+1));
	}

	sort(v.begin(), v.end());

	for(int i=0; i<n; i++){
		for(int j=0; j<3; j++)
			printf("%d ", v[3*i+j].second);
		puts("");
	}

}
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