题解 | #表示数字#

#include <stdio.h>
int shuzi(char c){
    if((c>='0')&&(c<='9')) return 1;
    return 0;
}

int main(){
    char str[1000];
    int len,i,shuf;
    
    while(scanf("%s",str)!=-1){
        len=strlen(str);
        shuf=0;
        if(shuzi(str[0])){
            printf("*");
            shuf=1;
        }
        for (i=0;i<len;i++){
            if(shuf){
                if(shuzi(str[i])){}
                else {
                    printf("*");
                    shuf=0;
                }
            }
            else{
                if(shuzi(str[i])){
                    printf("*");
                    shuf=1;
                }
            }
            printf("%c",str[i]);
        }
        if(shuzi(str[len-1])) printf("*");
        printf("\n");
        
    }
    
    
    
    return 0;
}