题解 | #求长方体表面积#
计算某字符出现次数
http://www.nowcoder.com/practice/a35ce98431874e3a820dbe4b2d0508b1
#include<bits/stdc++.h>
//不区分大小写怎么设置
using namespace std;
int main(){
string sInput;
char element;
getline(cin,sInput);
cin>>element;
element = toupper(element);//char类型转成大写
transform(sInput.begin(),sInput.end(), sInput.begin(), ::toupper);//string类型转成大写
int num = 0;
for(auto e:sInput){
if (e == element) ++num;
}
cout<<num<<endl;
return 0;
}