답안 #527912

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
527912	2022-02-18T17:10:39 Z	SorahISA	Self Study (JOI22_ho_t2)	C++17	100 / 100	432 ms	9640 KB

Main

#ifdef local
#define _GLIBCXX_DEBUG 1
#endif
#pragma GCC optimize("Ofast", "unroll-loops")
#include <bits/stdc++.h>
using namespace std;

#define int int64_t
#define double long double
using pii = pair<int, int>;
template <typename T>
using Prior = std::priority_queue<T>;
template <typename T>
using prior = std::priority_queue<T, vector<T>, greater<T>>;

#define X first
#define Y second
#define ee emplace
#define eb emplace_back
#define ef push_front
#define pb pop_back
#define pf pop_front
#define ALL(x) begin(x), end(x)
#define RALL(x) rbegin(x), rend(x)
#define SZ(x) ((int)(x).size())

#ifdef local
#define fastIO() void()
#define debug(...) \
    cerr << "\u001b[33m" << "At func " << __FUNCTION__ << ", line " << __LINE__ << ": ",\
    cerr << "(" << #__VA_ARGS__ << ") = ",\
    _do(__VA_ARGS__),\
    cerr << "\u001b[0m"
template <typename T> void _do(T &&_t) {cerr << _t << "\n";}
template <typename T, typename ...U> void _do(T &&_t, U &&..._u) {cerr << _t << ", ", _do(_u...);}
#else
#define fastIO() ios_base::sync_with_stdio(0), cin.tie(0)
#define debug(...) void()
#endif

template <typename T, typename U> bool chmin(T &lhs, U rhs) {return lhs > rhs ? lhs = rhs, 1 : 0;}
template <typename T, typename U> bool chmax(T &lhs, U rhs) {return lhs < rhs ? lhs = rhs, 1 : 0;}

const int INF = LLONG_MAX >> 2;

inline int divceil(int x, int y) {
    if (y < 0) x *= -1, y *= -1;
    if (x <= 0) return x / y;
    return (x - 1) / y + 1;
}

void solve() {
    int N, M; cin >> N >> M;
    
    vector<int> A(N), B(N);
    for (int &x : A) cin >> x;
    for (int &x : B) cin >> x;
    for (int i = 0; i < N; ++i) chmax(A[i], B[i]);
    
    auto calc = [&](int val) -> bool {
        __int128 give = 0, need = 0;
        for (int i = 0; i < N; ++i) {
            // debug(val, A[i], B[i], M - divceil(val, A[i]), divceil(val - A[i] * M, B[i]));
            give += max(M - divceil(val, A[i]), (int)0);
            need += max(divceil(val - A[i] * M, B[i]), (int)0);
        }
        return give >= need;
    };
    
    int lo = 0, hi = INF, mi;
    while (lo < hi) {
        mi = (lo + hi + 1) >> 1;
        if (calc(mi)) lo = mi;
        else          hi = mi - 1;
    }
    cout << lo << "\n";
}

int32_t main() {
    fastIO();
    
    int t = 1; // cin >> t;
    for (int _ = 1; _ <= t; ++_) {
        solve();
    }
    
    return 0;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	312 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	4 ms	444 KB	Output is correct
11	Correct	292 ms	9548 KB	Output is correct
12	Correct	279 ms	9384 KB	Output is correct
13	Correct	296 ms	6612 KB	Output is correct
14	Correct	329 ms	8672 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	432 ms	5332 KB	Output is correct
17	Correct	294 ms	5780 KB	Output is correct
18	Correct	305 ms	6216 KB	Output is correct

Subtask #2
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	432 ms	5332 KB	Output is correct
3	Correct	294 ms	5780 KB	Output is correct
4	Correct	305 ms	6216 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	288 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	292 KB	Output is correct
10	Correct	1 ms	308 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	135 ms	4788 KB	Output is correct
14	Correct	92 ms	2700 KB	Output is correct
15	Correct	65 ms	2140 KB	Output is correct
16	Correct	67 ms	1852 KB	Output is correct
17	Correct	2 ms	316 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	2 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	7 ms	396 KB	Output is correct
23	Correct	6 ms	484 KB	Output is correct

Subtask #3
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	312 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	4 ms	444 KB	Output is correct
11	Correct	292 ms	9548 KB	Output is correct
12	Correct	279 ms	9384 KB	Output is correct
13	Correct	296 ms	6612 KB	Output is correct
14	Correct	329 ms	8672 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	288 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	1 ms	292 KB	Output is correct
20	Correct	1 ms	308 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	135 ms	4788 KB	Output is correct
24	Correct	92 ms	2700 KB	Output is correct
25	Correct	65 ms	2140 KB	Output is correct
26	Correct	67 ms	1852 KB	Output is correct
27	Correct	2 ms	316 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	2 ms	204 KB	Output is correct
31	Correct	0 ms	204 KB	Output is correct
32	Correct	7 ms	396 KB	Output is correct
33	Correct	6 ms	484 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct
35	Correct	432 ms	5332 KB	Output is correct
36	Correct	294 ms	5780 KB	Output is correct
37	Correct	305 ms	6216 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	1 ms	204 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct
41	Correct	0 ms	204 KB	Output is correct
42	Correct	1 ms	204 KB	Output is correct
43	Correct	1 ms	204 KB	Output is correct
44	Correct	1 ms	260 KB	Output is correct
45	Correct	6 ms	436 KB	Output is correct
46	Correct	11 ms	440 KB	Output is correct
47	Correct	1 ms	332 KB	Output is correct
48	Correct	45 ms	1632 KB	Output is correct
49	Correct	1 ms	204 KB	Output is correct
50	Correct	1 ms	204 KB	Output is correct
51	Correct	5 ms	332 KB	Output is correct
52	Correct	1 ms	204 KB	Output is correct
53	Correct	1 ms	204 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	133 ms	4280 KB	Output is correct
56	Correct	93 ms	2384 KB	Output is correct
57	Correct	120 ms	2520 KB	Output is correct

Subtask #4
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	288 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	292 KB	Output is correct
6	Correct	1 ms	308 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	135 ms	4788 KB	Output is correct
10	Correct	92 ms	2700 KB	Output is correct
11	Correct	65 ms	2140 KB	Output is correct
12	Correct	67 ms	1852 KB	Output is correct
13	Correct	2 ms	316 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	2 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	7 ms	396 KB	Output is correct
19	Correct	6 ms	484 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	432 ms	5332 KB	Output is correct
22	Correct	294 ms	5780 KB	Output is correct
23	Correct	305 ms	6216 KB	Output is correct
24	Correct	43 ms	1408 KB	Output is correct
25	Correct	141 ms	3212 KB	Output is correct
26	Correct	31 ms	996 KB	Output is correct
27	Correct	279 ms	6704 KB	Output is correct
28	Correct	306 ms	6708 KB	Output is correct
29	Correct	295 ms	6704 KB	Output is correct
30	Correct	265 ms	6848 KB	Output is correct
31	Correct	289 ms	7988 KB	Output is correct
32	Correct	408 ms	5608 KB	Output is correct
33	Correct	378 ms	6652 KB	Output is correct
34	Correct	409 ms	5064 KB	Output is correct

Subtask #5
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	312 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	4 ms	444 KB	Output is correct
11	Correct	292 ms	9548 KB	Output is correct
12	Correct	279 ms	9384 KB	Output is correct
13	Correct	296 ms	6612 KB	Output is correct
14	Correct	329 ms	8672 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	288 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	1 ms	292 KB	Output is correct
20	Correct	1 ms	308 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	135 ms	4788 KB	Output is correct
24	Correct	92 ms	2700 KB	Output is correct
25	Correct	65 ms	2140 KB	Output is correct
26	Correct	67 ms	1852 KB	Output is correct
27	Correct	2 ms	316 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	2 ms	204 KB	Output is correct
31	Correct	0 ms	204 KB	Output is correct
32	Correct	7 ms	396 KB	Output is correct
33	Correct	6 ms	484 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	1 ms	204 KB	Output is correct
40	Correct	1 ms	260 KB	Output is correct
41	Correct	6 ms	436 KB	Output is correct
42	Correct	11 ms	440 KB	Output is correct
43	Correct	1 ms	332 KB	Output is correct
44	Correct	45 ms	1632 KB	Output is correct
45	Correct	1 ms	204 KB	Output is correct
46	Correct	1 ms	204 KB	Output is correct
47	Correct	5 ms	332 KB	Output is correct
48	Correct	1 ms	204 KB	Output is correct
49	Correct	1 ms	204 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	133 ms	4280 KB	Output is correct
52	Correct	93 ms	2384 KB	Output is correct
53	Correct	120 ms	2520 KB	Output is correct
54	Correct	43 ms	1408 KB	Output is correct
55	Correct	141 ms	3212 KB	Output is correct
56	Correct	31 ms	996 KB	Output is correct
57	Correct	279 ms	6704 KB	Output is correct
58	Correct	306 ms	6708 KB	Output is correct
59	Correct	295 ms	6704 KB	Output is correct
60	Correct	265 ms	6848 KB	Output is correct
61	Correct	289 ms	7988 KB	Output is correct
62	Correct	408 ms	5608 KB	Output is correct
63	Correct	378 ms	6652 KB	Output is correct
64	Correct	409 ms	5064 KB	Output is correct
65	Correct	1 ms	204 KB	Output is correct
66	Correct	432 ms	5332 KB	Output is correct
67	Correct	294 ms	5780 KB	Output is correct
68	Correct	305 ms	6216 KB	Output is correct
69	Correct	30 ms	944 KB	Output is correct
70	Correct	7 ms	332 KB	Output is correct
71	Correct	1 ms	204 KB	Output is correct
72	Correct	44 ms	1144 KB	Output is correct
73	Correct	12 ms	460 KB	Output is correct
74	Correct	2 ms	204 KB	Output is correct
75	Correct	257 ms	7024 KB	Output is correct
76	Correct	260 ms	6776 KB	Output is correct
77	Correct	278 ms	6156 KB	Output is correct
78	Correct	265 ms	5276 KB	Output is correct
79	Correct	282 ms	6744 KB	Output is correct
80	Correct	269 ms	9640 KB	Output is correct
81	Correct	308 ms	6520 KB	Output is correct
82	Correct	367 ms	6852 KB	Output is correct

답안 #527912

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 25.0 / 25.0

Subtask #3 27.0 / 27.0

Subtask #4 29.0 / 29.0

Subtask #5 9.0 / 9.0

Subtask #1
10.0 / 10.0

Subtask #2
25.0 / 25.0

Subtask #3
27.0 / 27.0

Subtask #4
29.0 / 29.0

Subtask #5
9.0 / 9.0