Pagini recente » Borderou de evaluare (job #2388247) | Cod sursa (job #3187627) | Borderou de evaluare (job #2882446) | Rezultatele filtrării | Cod sursa (job #2960974)
#include <bits/stdc++.h>
using namespace std;
ifstream f("mins.in");
ofstream g("mins.out");
int n, m, cnt, nr[1000005];
int main()
{
f >> n >> m;
for(int i = 2; i <= min(n, m); i ++)
{
cnt -= (nr[i] - 1) * ((n - 1) / i) * ((m - 1) / i);
for(int j = i; j <= min(n, m); j += i)
nr[j] -= (nr[i] - 1);
}
g << (n - 1) * (m - 1) - cnt;
return 0;
}