Untitled
#include <iostream> using namespace std; int main() { string input = "Windows 10 versions!"; for (int i = 0; i < size(input); i++) { if (i != 0) { cout << input[i - 1]; } cout << input[i]; if (i != size(input) - 1) { cout << input[i + 1]; } cout << endl; } return 0; }
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