W3School TIY Editor

#include <iostream> #include <cstring> using namespace std; int main() { int myNumbers[6] = {10, 20, 30, 40, 50, 60}; cout << "操作前:\n"; for (int i = 0; i < 6; i++) { cout << myNumbers[i] << " "; } memmove(&myNumbers[0], &myNumbers[2], 4*sizeof(myNumbers[0])); cout << "\n操作后:\n"; for (int i = 0; i < 6; i++) { cout << myNumbers[i] << " "; } return 0; }