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Re:以前总是Runtime error,用了qsort后一次AC!!!!!!!!! 贴上代码,纪念一下.(C语言)In Reply To:以前总是Runtime error,用了qsort后一次AC!!!!!!!!! 贴上代码,纪念一下.(C语言) Posted by:qichao at 2009-08-03 09:59:44 > #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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