ex 16

#include <stdio.h>
#include <stdlib.h>

int f1(int n, int m) {
	if (m < 1 || n < 1)
		return 0;
	if (n == 1 && m == 1)
		return 0;
	if (m > n)
		return 1 + f1(m / 2, n) + f1(m - m / 2, n);
	return 1 + f1(m, n/2) + f1(m, n - n /2);
}

int main() {
	int m , n;
	FILE *f;
	f = fopen("in.txt", "r"); //deschidere in mod citire fiser

	fscanf(f, "%d%d", &n, &m);
	fclose(f);
	f = fopen("out.txt", "w");
	fprintf(f, "%d", f1(n, m));

	return 0;
}