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以前总是Runtime error,用了qsort后一次AC!!!!!!!!! 贴上代码,纪念一下.(C语言)#include<stdio.h> #include<string.h> #include<stdlib.h> int sort_function(const void *a,const void *b) { return(strcmp((char*)a,(char*)b)); } int main() { long n,i,j,k,leng; char ch[100],num[10],ccc[100001][10]; int flag; scanf("%ld",&n); getchar(); for(i=0;i<n;i++) { gets(ch); leng=strlen(ch); for(j=0,k=0;j<leng;j++) { if(ch[j]=='A'||ch[j]=='B'||ch[j]=='C') num[k++]='2'; if(ch[j]=='D'||ch[j]=='E'||ch[j]=='F') num[k++]='3'; if(ch[j]=='G'||ch[j]=='H'||ch[j]=='I') num[k++]='4'; if(ch[j]=='J'||ch[j]=='K'||ch[j]=='L') num[k++]='5'; if(ch[j]=='M'||ch[j]=='N'||ch[j]=='O') num[k++]='6'; if(ch[j]=='P'||ch[j]=='R'||ch[j]=='S') num[k++]='7'; if(ch[j]=='T'||ch[j]=='U'||ch[j]=='V') num[k++]='8'; if(ch[j]=='W'||ch[j]=='X'||ch[j]=='Y') num[k++]='9'; if(ch[j]=='-') continue; if(ch[j]>='0'&&ch[j]<='9') num[k++]=ch[j]; if(k==3) num[k++]='-'; if(k==8) break; } num[k]='\0'; strcpy(ccc[i],num); } qsort((void*)ccc, n, sizeof(ccc[0]), sort_function); flag=0; for(i=0;i<n;i=j) { for(j=i+1;j<n;j++) { if(strcmp(ccc[j],ccc[i])!=0) break; } if(j-i!=1) { printf("%s %d\n",ccc[i],j-i); flag=1; } } if(flag==0) printf("No duplicates.\n"); return 0; } Followed by:
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