PAT-A1092

#include<stdio.h>#include<string.h>int main(){int i, len, flag=0, sum=0, ascall[130]={0};char shop[1010], eva[1010];scanf("%s%s",shop,eva);len=strlen(shop);for(i=0;i<len;i++){ascall[shop[i]]++;}len=strlen(eva);for(i=0;i<len;i++){ascall[eva[i]]--;if(ascall[eva[i]]<0)flag=1;}if(flag==0){for(i=0;i<130;i++)sum+=ascall[i];printf("Yes %d\n",sum);}if(flag==1){for(i=0;i<130;i++)  {if(ascall[i]<0)sum+=ascall[i];}printf("No %d\n",-sum);}return 0;}