#include <cstdio>
#include <algorithm>
using namespace std;
typedef struct point {
int x,y,idx;
}point;
bool cmp(point A,point B) {
return A.y == B.y ? A.x < B.x : A.y < B.y;
}
int main() {
int n;
scanf("%d",&n);
point arr[1000];
for(int i=0;i<3*n;i++) {
scanf("%d %d",&arr[i].x,&arr[i].y);
arr[i].idx = i+1;
}
sort(arr,arr+3*n,cmp);
for(int i=0;i<n;i++) {
for(int j=0;j<3;j++)
printf("%d ",arr[3*i+j].idx);
puts("");
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
1092 KB |
Output is correct |
2 |
Correct |
0 ms |
1092 KB |
Output is correct |
3 |
Correct |
0 ms |
1092 KB |
Output is correct |
4 |
Correct |
0 ms |
1092 KB |
Output is correct |
5 |
Correct |
0 ms |
1092 KB |
Output is correct |
6 |
Correct |
0 ms |
1092 KB |
Output is correct |
7 |
Correct |
0 ms |
1092 KB |
Output is correct |
8 |
Correct |
0 ms |
1092 KB |
Output is correct |
9 |
Correct |
0 ms |
1092 KB |
Output is correct |
10 |
Correct |
0 ms |
1092 KB |
Output is correct |
11 |
Correct |
0 ms |
1092 KB |
Output is correct |
12 |
Correct |
0 ms |
1092 KB |
Output is correct |
13 |
Correct |
0 ms |
1092 KB |
Output is correct |
14 |
Correct |
0 ms |
1092 KB |
Output is correct |
15 |
Correct |
0 ms |
1092 KB |
Output is correct |
16 |
Correct |
0 ms |
1092 KB |
Output is correct |
17 |
Correct |
0 ms |
1092 KB |
Output is correct |
18 |
Correct |
0 ms |
1092 KB |
Output is correct |
19 |
Correct |
0 ms |
1092 KB |
Output is correct |
20 |
Correct |
0 ms |
1092 KB |
Output is correct |