basics · beginner · ~15 min

Reverse array in place

Two-pointer technique on arrays.

Challenge

Implement void reverse_array(int *a, size_t n) that reverses a in place.

Starter code

#include <stddef.h>

void reverse_array(int *a, size_t n) {
    /* TODO */
}

Solve this exercise in the browser editor — compile and run against the test harness, no setup required.