C语言程序设计现代方法第二版 8.3

Posted 2022-04-25

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdbool.h>

int main()

int digit;
long n;

while (true) 
    bool digit_seen[10] =  false , flag = false;
    printf("Enter a number: ");
    scanf("%ld", &n);
    int l=1;

    if (n <= 0) 
        break;
    
    while(n>0) 
        digit = n % 10;
        if (digit_seen[digit]) 
            l = 0;
        digit_seen[digit] = true;
        n /= 10;
     

    if (l==0) 
        printf("Repeated digit\n");
    
    else 
        printf("No Repeated digit\n");
    

return 0;