题解 | while
while
https://www.nowcoder.com/practice/173564fc07c146a88c408c92f4182c65
#include <iostream>
#include <string>
using namespace std;
int main() {
string s1;
cin >> s1;
string s2 = "while";
int sum = 0;
for(int i = 0;i<5;++i){
if(s1[i]!=s2[i]){
sum++;
}
}
cout << sum <<endl;
}
// 64 位输出请用 printf("%lld")
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