cadena de empalme en C
string str1 = "Apples are red";
string str2 = str1.substr(11, 3); // "red"
string str3 = str1.substr(0, 6); // "Apples"
Anxious Alligator
string str1 = "Apples are red";
string str2 = str1.substr(11, 3); // "red"
string str3 = str1.substr(0, 6); // "Apples"//Time complexity: O(n)
//Auxiliary Space: O(n)
#include <string.h>
#include <iostream>
using namespace std;
int main()
{
// Take any string
string s1 = "Geeks";
// Copy three characters of s1 (starting
// from position 1)
string r = s1.substr(3, 2);
// Copy substring after pos
string sub = s.substr(pos + 1);
// Copy substring before pos
string sub = s.substr(0 , pos);
// prints the result
cout << "String is: " << r;
return 0;
}