View Code of Problem 50

#include<stdio.h>
#include<string.h>
int main(){
	char str[91];
	gets(str); 
	int len=strlen(str);
	int flag=0;
	for(int i=0;i<len;i++){
		if(str[i]<'0'||str[i]>'9'){
			if(flag==0){
				printf("*");
				flag=1;
			}
		}
		else{
			printf("%c",str[i]);
			flag=0;
		}
	}
	return 0;
}

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