Submission #1369222

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Source Code Expand

/*
#include <boost/multiprecision/cpp_int.hpp>
typedef boost::multiprecision::cpp_int mint; //*/
#include <bits/stdc++.h>
#define  rep(i,n) for(li i=0;i<(n);i++)
#define  red(i,n) for(li i=(n)-1;i>=0;i--)
#define  all(a) begin(a),end(a)
#define  pb(a) push_back(a)
using namespace std;
typedef long int li;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<li> vli;
typedef vector<string> vs;
 
int main()
{
    ull s,c,ans=0;
    cin>>s>>c;
    while(s>0&&c>1) s--,c-=2,ans++;
    ans+=c/4;
    cout<<ans<<endl;
    return 0;
}

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