计算字符串中指定字符的个数
计算某字符出现次数
https://www.nowcoder.com/practice/a35ce98431874e3a820dbe4b2d0508b1
#include <string>
#include <iostream>
using namespace std;
int times(string s,char c){
int i=0,count=0;
// while(s[i]!='\0'){
// if(s[i]==c){
// count++;
// }
// i++;
// }
for (auto i : s) {
if (tolower(i) == c) {
count++;
}
}
return count;
}
int main(){
string s;
getline(cin,s);
char c;
//cin>>c;
c=tolower(getchar());
cout<<times(s,c)<<endl;
return 0;
}