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请问qsort怎么使用 为什么我总是发送错误报告#include <stdio.h>
#include <string.h>
#include <stdlib.h>
char a[100000][16];
int compare(const void*,const void *);
void main()
{
int N;
int i,j,k;
scanf("%d",&N);
for(i=0;i<N;i++){
scanf("%s",a[i]);
for(j=0;a[i][j]!='\0';){
if(a[i][j]<='9'&&a[i][j]>='0'){
j++;continue;
}
if(a[i][j]=='A'||a[i][j]=='B'||a[i][j]=='C'){
a[i][j]='2';
j++;
continue;
}
if(a[i][j]=='D'||a[i][j]=='E'||a[i][j]=='F'){
a[i][j]='3';
j++;
continue;
}
if(a[i][j]=='G'||a[i][j]=='H'||a[i][j]=='I'){
a[i][j]='4';
j++;
continue;
}
if(a[i][j]=='J'||a[i][j]=='K'||a[i][j]=='L'){
a[i][j]='5';
j++;
continue;
}
if(a[i][j]=='M'||a[i][j]=='N'||a[i][j]=='O'){
a[i][j]='6';
j++;
continue;
}
if(a[i][j]=='P'||a[i][j]=='R'||a[i][j]=='S'){
a[i][j]='7';
j++;
continue;
}
if(a[i][j]=='T'||a[i][j]=='U'||a[i][j]=='V'){
a[i][j]='8';
j++;
continue;
}
if(a[i][j]=='W'||a[i][j]=='X'||a[i][j]=='Y'){
a[i][j]='9';
j++;
continue;
}
if(a[i][j]=='-'){
for(k=j;a[i][k]!='\0';k++){
a[i][k]=a[i][k+1];
}
}
}
}
qsort((void*)a,N,sizeof(a[0]),compare);
int s=1;
for(j=0;j<N;j++){
if(strcmp(a[j+1],a[j])==0)
s++;
else{
if(s>1){
for(i=0;i<3;i++){
printf("%c",a[j][i]);
}
printf("-");
for(i=3;i<7;i++){
printf("%c %d\n",a[j][i],s);
}
s=1;
}
}
}
}
int compare(const void * aa,const void * ba)
{
return strcmp(* (char * * )aa,* (char * * )ba);
}
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