题解 | #截取字符串#
截取字符串
http://www.nowcoder.com/practice/a30bbc1a0aca4c27b86dd88868de4a4a
#include<iostream>
#include<string>
using namespace std;
int main()
{
string str;
int num;
while(cin>>str>>num)
{
//huibuhuiyuejie
for(int i=0; i<num; i++)
{
cout<<str[i];
}
cout<<endl;
}
return 0;
}
