oj.uz

답안 #835967

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
835967 2023-08-24T02:22:32 Z tfgs Self Study (JOI22_ho_t2) C++17
0 / 100
 156 ms 6744 KB 
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp> // Including tree_order_statistics_node_update
using namespace __gnu_pbds;
#include <bits/stdc++.h>
using namespace std;
using pll = pair<long long, long long>;
#define ll long long
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define pb push_back
#define eb emplace_back
#define vi vector<ll>
#define vb vector<bool>
#define f0(i,a) for(ll i=0;i<(a);i++)
#define f1(i,a) for(ll i=1;i<(a);i++)
#define rep(i,a,b) for(int i=(a);i<=(b);++i)
#define per(i,a,b) for(int i=(a);i>=(b);--i)
#define f first
#define s second
template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; }
template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; }
// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0200r0.html
template<class Fun> class y_combinator_result {
    Fun fun_;
public:
    template<class T> explicit y_combinator_result(T &&fun): fun_(std::forward<T>(fun)) {}
    template<class ...Args> decltype(auto) operator()(Args &&...args) { return fun_(std::ref(*this), std::forward<Args>(args)...); }
};
template<class Fun> decltype(auto) y_combinator(Fun &&fun) { return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun)); }
#ifdef I_AM_NOOB
#define gg(...) [](const auto&...x){ char c='='; cerr<<#__VA_ARGS__; ((cerr<<exchange(c,',')<<x),...); cerr<<endl; }(__VA_ARGS__);
#else
#define gg(...) 777771449
#endif
ll LOG2(ll x){ return __builtin_clzll(1ll) - __builtin_clzll(x); }
bool isPow2(ll n) {
    return n && ((n & (n-1)) == 0);
}
ll LOG2C(ll x) {
    if (isPow2(x)) return LOG2(x);
    return LOG2(x)+1;
}
template <typename Iter, typename Cont>
bool is_last(Iter iter, const Cont& cont) {
    return (iter != cont.end()) && (next(iter) == cont.end());
}

constexpr ll INFF = 1e18;
constexpr ll P = 1e9+7;
// constexpr ll P = 998244353;

int main() {
    cin.tie(0) -> ios::sync_with_stdio(0);
    
    ll n, m; while (cin >> n >> m) {
        vi a(n), b(n);
        for (auto&x:a) cin >> x;
        for (auto&x:b) cin >> x;
        f0(i, n) if (a[i] < b[i]) a[i] = b[i];
        ll k = 0, d = 1e18;

        auto check = [&](ll x) -> bool {
            ll days = n*m;
            vi c(n, x);
            f0(i, n) {
                ll d = min(m, (x + a[i]-1) / a[i]);
                days -= d;
                c[i] -= a[i] * d;
                d = (c[i] + b[i] - 1) / b[i];
                days -= d;
                c[i] -= b[i] * d;
            }

            return days >= 0;
        };
        while (d) {
            while (check(k+d)) k += d;
            d /= 2;
            // ll days = n * m;
            // f0(i, n) {
                // ll sum = 0;
                // ll d = min(n, (k + a[i]-1) / a[i]); 
                // sum += d * a[i];
                // days -= d;
                // if (sum < k) {
                    // d = (k - sum + b[i]-1)/b[i];
                    // sum += b[i]*d;
                    // days -= d;
                // }
                // gg(days);
            // }
        }

        cout << k << endl;
    } 
    
    return 0;
}

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Incorrect 1 ms 260 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 156 ms 6744 KB Output is correct
10 Correct 98 ms 4604 KB Output is correct
11 Correct 72 ms 3540 KB Output is correct
12 Correct 66 ms 2900 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Incorrect 14 ms 340 KB Output isn't correct
19 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Incorrect 1 ms 260 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 156 ms 6744 KB Output is correct
10 Correct 98 ms 4604 KB Output is correct
11 Correct 72 ms 3540 KB Output is correct
12 Correct 66 ms 2900 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Incorrect 14 ms 340 KB Output isn't correct
19 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Incorrect 1 ms 260 KB Output isn't correct
5 Halted 0 ms 0 KB -