#include<stdio.h>
#include<stdlib.h>
typedef struct{
int x, y, idx;
}Str;
Str str[1000];
int n;
int cmp(const void * a, const void * b){
int x1, x2, y1, y2;
x1=((Str *)b)->x;
x2=((Str *)a)->x;
y1=((Str *)b)->y;
y2=((Str *)a)->y;
if(x1==x2)
return y1-y2;
return x1-x2;
}
int main(){
int i, j;
scanf("%d", &n);
for(i=0;i<n*3;++i){
scanf("%d%d", &str[i].x, &str[i].y);
str[i].idx=i+1;
}
qsort(str, 3*n, sizeof(Str), cmp);
for(i=0;i<n;++i){
for(j=0;j<2;++j){
printf("%d ", str[i*3+j].idx);
}
printf("%d\n", str[i*3+j].idx);
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
0 ms |
1096 KB |
open (syscall #2) was called by the program (disallowed syscall) |
| 2 |
Halted |
0 ms |
0 KB |
- |
