题解 | #截取字符串#
截取字符串
http://www.nowcoder.com/practice/a30bbc1a0aca4c27b86dd88868de4a4a
#include <algorithm>
using namespace std;
int main() {
string str;
while(getline(cin,str)){
int k;
cin>>k;
string temp;
temp = str.substr(0,k);
cout<<temp<<endl;
}
}
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