View Code of Problem 50

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
int main(){
    char a[999],b[999];
    cin.getline(a,999);
    int flag=1,k=0;
    for(int i=0;i<strlen(a);i++){
        if(isdigit(a[i])){
            flag = 1;
            b[k++]=a[i];
        }
        else if(flag==1){
            flag=0;
        b[k++]='*';
        }
    }
    for(int i=0;i<k;i++){
        cout<<b[i];
    }
    cout<<endl;
    return 0;
}

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