int main (){ parenPermutations("1 + 2 - 3 * 4"); parenPermutations("1 - 1 + 1"); parenPermutations("10"); parenPermutations("1 + 2 + 3 * 4 - 5 * 2"); }
int main(int, char **) { parenPermutations("1 - 1 + 1"); parenPermutations("10"); parenPermutations("1 + 2 - 3 * 4"); parenPermutations("1 + 2 + 3 * 4 - 5 * 2"); return 0; }