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Usage of substr function in C++
1 #include<string> 2 #include<iostream> 3 using namespace std; 4 5 void main() 6 { 7 string s("12345asdf"); 8 string a=s.substr(0,5); 9 cout<<a<<endl; 10 }
The above code obtains a string of length 5 from the 0th position in the string s. The default length is from the start position to the end
The output is:
12345