[BaekJoon][1475] 방 번호

BAEKJOON ONLINE JUDGE

1475 방 번호

https://www.acmicpc.net/problem/1475

#include <stdio.h>
 
int num[10];
 
int main()
{
    int number;
    int cnt;
    int i;
 
    scanf("%d", &number);
 
    while (number) {
        num[number % 10]++;
        number /= 10;
    }
    
    cnt = (num[9] + num[6] + 1) / 2;
 
    for (i = 0; i < 9; i++) {
        if (i != 9 && i != 6) {
            if (num[i] > cnt)    cnt = num[i];
        }
    }
 
    printf("%d\n", cnt);
 
    return 0;
}