题解 | #游游的数字圈#
游游的数字圈
https://www.nowcoder.com/practice/16eafa41a4a242b8870cb2c5420ae089
#include <stdio.h>
#include <string.h>
int f(char *str) {
int n = 0;
int length = strlen(str);
for (int i = 0; i < length; i++) {
char c = str[i];
switch (c) {
case '0':
case '6':
case '9':
n += 1;
break;
case '8':
n += 2;
break;
default:
break;
}
}
return n;
}
int main() {
char str[100001];
scanf("%s", str);
int n = f(str);
printf("%d", n);
return 0;
}
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