题解 | #游游的整数切割#
游游的整数切割
https://www.nowcoder.com/practice/c01b07fe9623425a806c85cdb6f0e0f7
#include <stdio.h>
#include <string.h>
int main() {
char num[10100001];
scanf("%s", num);
int len = strlen(num);
int ans = 0;
for (int i = 1; i < len; i++) {
int left = 0, right = 0;
for (int j = 0; j < i; j++) {
left = (num[j]-'0');
}
for (int j = i; j < len; j++) {
right = (num[j]-'0');
}
if ((left + right) % 2 == 0) {
ans++;
}
}
printf("%d\n", ans);
return 0;
}
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