C++
计算字符个数
http://www.nowcoder.com/questionTerminal/a35ce98431874e3a820dbe4b2d0508b1
include
include
using namespace std;
int main()
{
string s;
getline(cin,s);
char x;
cin>>x;
int n='a'-'A';
char x2;
x<'a'?x2=char(x+n):x2=char(x-n);
int num=0;
for(int i=0;i<s.size();i++)
{
if(s[i]== x ||s[i]==x2)
num++;
}//end for cout<<num;
}

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