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