#include int power(int m, int n); int main() { for (int i = 0; i < 10; ++i) printf("%d %d %d\n", i, power(2, i), power(-3, i)); } int power(int base, int n) { int p = 1; /* 0th power of any number */ for (int i = 1; i <= n; ++i) p *= base; return p; }