Submission #3441

#	Time	Username	Problem	Language	Result	Execution time	Memory
3441		Apple_Cplus	Divide into triangle (kriii1_D)	C++98	0 / 1	0 ms	1684 KiB

D

#include <stdio.h>
#include <iostream>
#include <vector>
#include <queue>
#include <algorithm>
#include <sstream>
#include <set>
#include <map>
#include <stack>
#include <cmath>
#include <cstdlib>
#include <cstring>
#include <string>
 
using namespace std;

struct data {
	int x,y,id;
	data() {}
	bool operator < (const data &rhs) const {
		if(x == rhs.x) return y < rhs.y;
		else return x < rhs.x;
	}
}D[333];

int n;
int x[333],y[333];

int main() {
	scanf("%d",&n);
	for(int i=0;i<3*n;++i) scanf("%d%d",&D[i].x,&D[i].y), D[i].id = i+1;
	sort(D, D+n);
	for(int i=0;i<n;++i) {
		printf("%d %d %d\n",D[3*i].id,D[3*i+1].id,D[3*i+2].id);
	}
}

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