Submission #952376

#	Time	Username	Problem	Language	Result	Execution time	Memory
952376		Iskachun	Coins (BOI06_coins)	C++17	0 / 100	1096 ms	8284 KiB

coins

#include <iostream>
#include <vector>
using namespace std;
typedef long long ll;
vector<ll> a, vis;
ll n;
ll f(ll x) {
    ll cnt = 0;
    for (ll i = n - 1; i >= 0; i--) {
        if (x >= a[i] and vis[i] == 0) cnt++;
        while (x >= a[i]) x -= a[i];
    }
    return cnt;
}
int main() {
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    ll k; cin >> n >> k;
    a.resize(n), vis.resize(n);
    for (ll i = 0; i < n; i++) cin >> a[i] >> vis[i];
    ll cnt = 0, ans = 0;
    for (ll l = k - 1; l >= 1; l--) {
        //cout << l << ' ';
        ll x = f(l);
        if (x > cnt) cnt = x, ans = l;
    }
    cout << cnt << '\n' << k - ans;
}

• Subtask 1: 0 / 100