题解 | #计算某字符出现次数#
计算某字符出现次数
https://www.nowcoder.com/practice/a35ce98431874e3a820dbe4b2d0508b1
#include <iostream>
#include<string>
using namespace std;
int main() {
string str;
getline(cin, str);
char tar;
cin >> tar;
if(tar>='A'&&tar<='Z')tar+=32;
int ret=0;
for (int i = 0; i <= str.size() - 1; i++) {
if (str[i] >= 'A' && str[i] <= 'Z') {
str[i] += 32;
}
if (str[i] == tar)ret++;
}
cout<<ret<<endl;
}
