PTA——乘2后不变

PTA

乘2后不变

 #include<stdio.h>
 #include<string.h>
 #define N 21

 int main(){
     char original[N];
     int doubledNum[N],i,digitsCount[];
     int carry = ,isSame = ;
     gets(original);

     for(i=;i<strlen(original);i++){
         doubledNum[i] = *(original[i]-'');
     }
     for(i=strlen(original)-;i>=;i--){
         if(i>){
             doubledNum[i-] += doubledNum[i]/;
             doubledNum[i] %= ;
         }
         else{
             carry += doubledNum[i]/;
             doubledNum[i] %= ;
         }
     }
     if(carry){
         isSame = ;
     }else{
         for(i=;i<;i++){
             digitsCount[i] = ;
         }
         for(i=;i<strlen(original);i++){
             digitsCount[original[i]-'']++;
         }
         for(i=;i<strlen(original);i++){
             digitsCount[doubledNum[i]]--;
         }
         for(i=;i<;i++){
             if(digitsCount[i]!=){
                 isSame = ;
                 break;
             }
         }
     }
     if(isSame){
         printf("Yes\n");
     }else{
         printf("No\n");
     }
     if(carry){
         printf("%d",carry);
     }
     for(i=;i<strlen(original);i++){
         printf("%d",doubledNum[i]);
     }
     return ;
 }