Submission #8089

#	Time	Username	Problem	Language	Result	Execution time	Memory
8089		gs14004	Divide into triangle (kriii1_D)	C++98	1 / 1	0 ms	1096 KiB

D

#include <cstdio>
#include <algorithm>
using namespace std;

struct pt{int x,y,o;}a[907];
int cmp(pt a, pt b){return a.x < b.x;}

int n;

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

• Subtask 1: 1 / 1