C++編程 數字統計

#include?<string>

using?namespace?std;

int?main(){

int?count=0;

char?s;

string?str;

cout<<"請輸入數："<<endl;

cin>>str;

cout<<"請輸入壹個數字:"<<endl;

cin>>s;

for(int?i=0;i!=str.size();i++)

if(s==str[i])count++;

cout<<s<<"出現的次數為："<<count<<endl;

system("pause");

return?0;

}