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请各位高手帮小弟看下,为啥总是WA~~ 晕啊~
#include "stdio.h"
#include "stdlib.h"
typedef struct {
int x;
int y;
} entry;
int comp_x(const void* e1, const void *e2) {
entry *p1 = (entry*)e1;
entry *p2 = (entry*)e2;
if ( p1->x != p2->x ) {
return ( p1->x - p2->x );
}
else {
return ( p1->y - p2->y );
}
}
int comp_i(const void *p, const void *q) {
return (*((int*)p) - *((int*)q) );
}
int main() {
int nCase;
scanf("%d", &nCase);
entry *entrys = (entry*)malloc( sizeof(entry) * nCase );
int i;
for ( i = 0; i < nCase; i++ ) {
scanf("%d%d", &entrys[i].x, &entrys[i].y);
entrys[i].y = i;
}
qsort(entrys, nCase, sizeof(entry), comp_x);
int *res = (int*)malloc(sizeof(int) * nCase);
for ( i = 0; i < nCase; i++ ) {
if ( i < entrys[i].y ) {
res[i] = i;
}
else {
res[i] = entrys[i].y;
}
}
qsort(res, nCase, sizeof(int), comp_i);
int *prints = (int*)malloc(sizeof(int) * nCase);
for ( i = 0; i < nCase; i++ ) {
*(prints+i) = 0;
}
int lev = 0;
int r = 0;
i = 0;
for ( ;; ) {
for ( r = 0; i < nCase && res[i] == lev ; i++ ) r++;
//printf("%d\n", r);
prints[lev] = r;
if ( i == nCase ) break;
lev = res[i];
}
for ( i = 0; i < nCase; i++ ) {
printf("%d\n", *(prints+i));
}
free(entrys);
free(res);
free(prints);
return 0;
}
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