Submission #1114473

---

Source Code Expand

#include<bits/stdc++.h>

using namespace std;

#define pb push_back
#define mp make_pair
#define F first
#define S second

#define fo(i, n) for(int i = 1; i <= n; ++i)
#define rep(i, a, b) for(int (i) = (a); (i) < (b); ++(i))

typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;

const int N = 200200;
const int mod = 1e9 + 7;
const ll INF = 1e18;
ll n,m;

ll ans;

int main()
{
	ios::sync_with_stdio(0); cin.tie(0);
	cin>>n>>m;
	
		ll x=min(n,m/2);
		n-=x,m-=2*x;
			
	cout<<x+m/4;
	return 0;	
}

Submission Info

Judge Result