tap17/l.cpp

#include <iostream>
#include <algorithm>
#include <cassert>
using namespace std;
int l,o,s,t,m, rta;

void f (int a, int b, int c, int d){
    m = 1e9;
    if (a) m = min (m, l/a);
    if (b) m = min (m, o/b);
    if (c) m = min (m, s/c);
    if (d) m = min (m, t/d);
    l-= a*m; o-= b*m; s-= c*m; t-= d*m;
    rta += m;
}

int main(){
    cin >> l >> o >> s >> t;
    rta = 0;
    f(0,4,0,0); // oooo
    f(2,2,0,0); // lloo
    f(0,0,0,4); // tttt
    f(1,0,1,2); // lstt
    f(2,0,2,0); // llss
    f(4,0,0,0); // llll
    cout << rta << endl;

    return 0;
}