题解 | #小乐乐改数字#

#include <stdio.h>

int main() {
    int a;
    int  dms = 0;

    scanf("%d",&a);
    
    int times,j ;
    for(int i=0;i<10;i++){
       if(i == 0){         //初次运行时要给times赋初值
        j = a%10;
        times = 1;
        a = a/10;
        if(j%2 == 1)
          dms += times;
       }
       else if(a >= 10){  //条件的判断记得加上=，否则出现10时会出现BUG
        j = a%10;
        times = times*10;
        a = a/10;
        if(j%2 == 1)
          dms += times;
       }
       else {
         times = times*10;
         if (a%2 == 1)
           dms += times;
        break;           //判断后面没有数据了，给他跳出来
       }
    }

    printf("%d",dms);

    return 0;
}