【十二题解】 | #表示数字#

#include<stdio.h>

int num_judeg(char a){

if(a>='0' && a<='9')return 1;
return 0;

}

int main(){

char data[100]={0};
while(scanf("%s", data) != EOF){
    for(int i=0; data[i] != '\0'; i++){
        if(num_judeg(data[i]) && (i == 0 || !num_judeg(data[i-1])))printf("*");
        printf("%c", data[i]);
        if(num_judeg(data[i]) && !num_judeg(data[i+1]))printf("*");
    }
    printf("\n");
}

}