#include <iostream>using namespace std;int main() { int m; cout << "m = ", cin >> m, cout << "\n"; int b[m]; srand(time(NULL)); cout<<"array:\n"; for (int i=0; i<m; i++) { b[i]=rand() % 50; cout<<b[i]<<" "; } cout << "\n"; for (int i=0; i<m; i++) if ((i+1)%2==0) b[i] *= 2; else b[i]=0; for (int i=0; i<m; i++) cout << b[i] << " "; cout << "\n"; return 0;}Пример:m = 10array:47 3 29 46 36 31 2 2 20 200 6 0 92 0 62 0 4 0 40