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Submission #395133

# Submission time Handle Problem Language Result Execution time Memory
395133 2021-04-27T21:18:37 Z kaplanbar Roses (BOI20_roses) C++14
0 / 100
 1 ms 204 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    ll n;
    ll a, b, c, d;
    cin >> n >> a >> b >> c >> d;

    ll lcm = (a * c) / __gcd(a, c);

    ll take = (n / lcm) * lcm;

    ll best = min((take / a) * b, (take / c) * d);

    n -= take;

    ll ans = 1e18;

    if(a >= c) {
        assert(n / a <= 1e7);

        for(int i = 0; i <= (n + a - 1) / a; i++) {
            ll other = max(0ll, n - i * a + c - 1) / c;
            ans = min(ans, i * b + other * d);
        }

    }
    else {
        assert(n / c <= 1e7);
    
        for(int i = 0; i <= (n + c - 1) / c; i++) {
            ll other = max(0ll, n - i * c + a - 1) / a;
            ans = min(ans, i * d + other * b);
        }
    }

    cout << ans + best;




    return 0;
}

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Incorrect 1 ms 204 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Incorrect 1 ms 204 KB Output isn't correct
7 Halted 0 ms 0 KB -