Submission #3556

#	Time	Username	Problem	Language	Result	Execution time	Memory
3556		qja0950	Divide into triangle (kriii1_D)	C++98	0 / 1	0 ms	1092 KiB

D

#include <stdio.h>
#include <algorithm>
using namespace std;
struct A{
	int x;
	int y;
	int k;
}point[400];
bool operator<(A X, A Y) {
	if(X.y!=Y.y) return X.y<Y.y;
	return X.x<Y.x;
}
int main() {
	int n;
	scanf("%d", &n);
	int i, j;
	for(i=1; i<=3*n; i++) {
		scanf("%d %d", &point[i].x, &point[i].y);
		point[i].k=i;
	}
	sort(point+1, point+3*n+1);
	for(i=0; i<n; i++) {
		for(j=1; j<=3; j++) {
			printf("%d ", point[i*3+j].k);
		}
		printf("\n");
	}
	return 0;
}

• Subtask 1: 0 / 1