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#include <iostream.h> void reverse(char *str, unsigned int n) { if (n < 2) return; int x = 0; unsigned int nn = n >> 1; while (n-- > nn) { char c = str[x]; str[x++] = str[n]; str[n] = c; } } std::string reverse(const std::string &str) { int t = str.size(); char *copy = new char[t + 1]; str.copy(copy, t); reverse(copy, t); copy[t] = '\0'; std::string r(copy); delete[] copy; return r; } int main() { std::string r = reverse("collaboration"); std::cout << r << std::endl; return 0; }
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