#include<stdio.h>
#include<algorithm>
using namespace std;
struct A{
int x,y,num;
bool operator <(const A &p)const{
return x!=p.x?x<p.x:y<p.y;
}
}w[1001];
int N,i;
int main()
{
scanf("%d",&N);
for(i=0;i<3*N;i++){
scanf("%d%d",&w[i].x,&w[i].y);
w[i].num=i+1;
}
sort(w,w+3*N);
for(i=0;i<N;i++)printf("%d %d %d\n",w[3*i].num,w[3*i+1].num,w[3*i+2].num);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
1100 KB |
Output is correct |
2 |
Correct |
0 ms |
1100 KB |
Output is correct |
3 |
Correct |
0 ms |
1100 KB |
Output is correct |
4 |
Correct |
0 ms |
1100 KB |
Output is correct |
5 |
Correct |
0 ms |
1100 KB |
Output is correct |
6 |
Correct |
0 ms |
1100 KB |
Output is correct |
7 |
Correct |
0 ms |
1100 KB |
Output is correct |
8 |
Correct |
0 ms |
1100 KB |
Output is correct |
9 |
Correct |
0 ms |
1100 KB |
Output is correct |
10 |
Correct |
0 ms |
1100 KB |
Output is correct |
11 |
Correct |
0 ms |
1100 KB |
Output is correct |
12 |
Correct |
0 ms |
1100 KB |
Output is correct |
13 |
Correct |
0 ms |
1100 KB |
Output is correct |
14 |
Correct |
0 ms |
1100 KB |
Output is correct |
15 |
Correct |
0 ms |
1100 KB |
Output is correct |
16 |
Correct |
0 ms |
1100 KB |
Output is correct |
17 |
Correct |
0 ms |
1100 KB |
Output is correct |
18 |
Correct |
0 ms |
1100 KB |
Output is correct |
19 |
Correct |
0 ms |
1100 KB |
Output is correct |
20 |
Correct |
0 ms |
1100 KB |
Output is correct |