#include<stdio.h>
#include<algorithm>
#include<string.h>
#include<vector>
#include<math.h>
#include<stdlib.h>
using namespace std;
struct point{
point(){}
point(int x,int y):x(x),y(y){}
int x,y;
bool operator<(const point &l)const{return x!=l.x?x<l.x:y<l.y;}
}p[920];
int N,o[930];
bool comp(const int &a,const int &b)
{
return p[a]<p[b];
}
int main()
{
int i;
scanf("%d",&N);
for(i=1;i<=3*N;i++){
scanf("%d%d",&p[i].x,&p[i].y);
}
for(i=1;i<=3*N;i++){o[i]=i;}
sort(o+1,o+1+3*N,comp);
for(i=1;i<=N;i++){
printf("%d %d %d\n",o[3*i-2],o[3*i-1],o[3*i]);
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
1096 KB |
Output is correct |
2 |
Correct |
0 ms |
1096 KB |
Output is correct |
3 |
Correct |
0 ms |
1096 KB |
Output is correct |
4 |
Correct |
0 ms |
1096 KB |
Output is correct |
5 |
Correct |
0 ms |
1096 KB |
Output is correct |
6 |
Correct |
0 ms |
1096 KB |
Output is correct |
7 |
Correct |
0 ms |
1096 KB |
Output is correct |
8 |
Correct |
0 ms |
1096 KB |
Output is correct |
9 |
Correct |
0 ms |
1096 KB |
Output is correct |
10 |
Correct |
0 ms |
1096 KB |
Output is correct |
11 |
Correct |
0 ms |
1096 KB |
Output is correct |
12 |
Correct |
0 ms |
1096 KB |
Output is correct |
13 |
Correct |
0 ms |
1096 KB |
Output is correct |
14 |
Correct |
0 ms |
1096 KB |
Output is correct |
15 |
Correct |
0 ms |
1096 KB |
Output is correct |
16 |
Correct |
0 ms |
1096 KB |
Output is correct |
17 |
Correct |
0 ms |
1096 KB |
Output is correct |
18 |
Correct |
0 ms |
1096 KB |
Output is correct |
19 |
Correct |
0 ms |
1096 KB |
Output is correct |
20 |
Correct |
0 ms |
1096 KB |
Output is correct |