题解 | #截取字符串#
截取字符串
https://www.nowcoder.com/practice/a30bbc1a0aca4c27b86dd88868de4a4a
没有难度
#include <string>
#include<iostream>
using namespace std;
int main(){
string s;
getline(cin, s, '\n');
int k = 0;
cin >> k;
string res = s.substr(0, k);
cout << res << endl;
return 0;
}
