[STL] reverse

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#include <iostream> #include <algorithm> #include <cassert> using namespace std;   int main() {     cout<< "Using reverse_copy, a copying version of the"         << " generic reverse algorithm." << endl;       int a[1000], b[1000];     int i;     for (i=0; i< 1000; ++i)         a[i] = i;       reverse_copy(&a[0], &a[1000], &b[0]);       for (i=0; i< 1000; ++i)         assert(a[i] == i && b[i] == 1000 - i - 1);     cout<< " --- Ok." << endl;       return 0; }