Submission #12735

#	Time	Username	Problem	Language	Result	Execution time	Memory
12735		ainu7	Divide into triangle (kriii1_D)	C++98	1 / 1	0 ms	1680 KiB

D

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

int main()
{
  int N;
  cin >> N;
  vector<pair<long long, int> > V;
  for (int i=0; i<3*N; i++) {
    int x, y;
    cin >> x >> y;
    V.push_back(pair<long long, int>(x*9328932855LL+y*953287581LL, i+1));
  }
  sort(V.begin(), V.end());
  for (int i=0; i<3*N; i+=3)
    printf("%d %d %d\n", V[i].second, V[i+1].second, V[i+2].second);
}

• Subtask 1: 1 / 1