Submission #18596

#	Time	Username	Problem	Language	Result	Execution time	Memory
18596		eaststar	Divide into triangle (kriii1_D)	C++14	1 / 1	0 ms	1092 KiB

D

#include <stdio.h>
#include <algorithm>
using namespace std;
struct data{
    int x,y,i;
    bool operator<(const data&r)const{
        return x<r.x;
    }
}a[910];
int main(){
    int i,n;
    scanf("%d",&n);
    n*=3;
    for(i=1;i<=n;++i)scanf("%d%d",&a[i].x,&a[i].y),a[i].i=i;
    sort(a+1,a+n+1);
    for(i=1;i<=n;i+=3)printf("%d %d %d\n",a[i].i,a[i+1].i,a[i+2].i);
    return 0;
}

• Subtask 1: 1 / 1