#include <stdio.h>
#include <stdlib.h>
typedef struct{
int n;
int m;
int d;
}Data;
int compare(const void * a, const void * b){
Data *A = (Data *)a;
Data *B = (Data *)b;
if(A->m != B->m){
return (B->m - A->m);
}else if(A->m == B->m){
return (B->d - A->d);
}else
return (A->n - B->n);
}
int main(void){
int n, i;
scanf("%d", &n);
Data arr[n];
for(i=0; i<n; i++){
arr[i].n=(i+1);
}
for(i=0; i<n; i++){
scanf("%d %d", &arr[i].m, &arr[i].d);
}
qsort(arr, n, sizeof(Data), compare);
for(i=0; i<n; i++){
printf("%d %d %d\n", arr[i].n, arr[i].m, arr[i].d);
}
return 0;
}
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