답안 #892494

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
892494	2023-12-25T12:05:54 Z	adaawf	Discharging (NOI20_discharging)	C++14	100 / 100	114 ms	24292 KB

Discharging

#include <bits/stdc++.h>
using namespace std;
struct Line {
	mutable long long int k, m, p;
	bool operator<(const Line& o) const { return k > o.k; }
	bool operator<(long long int x) const { return p < x; }
};
struct LineContainer : multiset<Line, less< > > {
	static const long long int inf = LLONG_MAX;
	long long int div(long long int a, long long int b) {
		return a / b - ((a ^ b) < 0 && a % b); }
	bool isect(iterator x, iterator y) {
		if (y == end()) return x->p = inf, 0;
		if (x->k == y->k)
        {
            x->p = x->m < y->m ? inf : -inf;
        }
		else x->p = div(y->m - x->m, x->k - y->k);
		return x->p >= y->p;
	}
	void add(long long int k, long long int m) {
		auto z = insert({k, m, 0}), y = z++, x = y;
		while (isect(y, z)) z = erase(z);
		if (x != begin() && isect(--x, y)) isect(x, y = erase(y));
		while ((y = x) != begin() && (--x)->p >= y->p)
			isect(x, erase(y));
	}
	long long int get(long long int x) {
		assert(!empty());
		auto l = *lower_bound(x);
		return l.k * x + l.m;
	}
} st;
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    long long int n;
    cin >> n;
    vector<pair<long long int, int>> v;
    for (int i = 1; i <= n; i++) {
        int x;
        cin >> x;
        if (v.empty()) {
            v.push_back({x, 1});
        }
        else {
            if (v.back().first < x) v.push_back({x, 1});
            else {
                v[v.size() - 1].second++;
            }
        }
    }
    long long int c = 0, d = 0;
    st.add(0, 0);
    for (auto w : v) {
        c += w.second;
        d = 1ll * w.first * n + st.get(w.first);
        st.add(-c, d);
    }
    cout << d;
}

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	452 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct

Subtask #2
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	600 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	468 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	420 KB	Output is correct
10	Correct	1 ms	600 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	600 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	468 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	420 KB	Output is correct
10	Correct	1 ms	600 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	103 ms	13092 KB	Output is correct
17	Correct	98 ms	13512 KB	Output is correct
18	Correct	74 ms	14348 KB	Output is correct
19	Correct	90 ms	13720 KB	Output is correct
20	Correct	93 ms	13832 KB	Output is correct
21	Correct	92 ms	14540 KB	Output is correct
22	Correct	85 ms	14012 KB	Output is correct
23	Correct	113 ms	24036 KB	Output is correct
24	Correct	99 ms	23048 KB	Output is correct
25	Correct	100 ms	24248 KB	Output is correct
26	Correct	114 ms	22964 KB	Output is correct
27	Correct	79 ms	13508 KB	Output is correct
28	Correct	93 ms	13640 KB	Output is correct
29	Correct	114 ms	24292 KB	Output is correct
30	Correct	110 ms	24248 KB	Output is correct

Subtask #4
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	79 ms	10036 KB	Output is correct
2	Correct	83 ms	10072 KB	Output is correct
3	Correct	75 ms	10064 KB	Output is correct
4	Correct	88 ms	10032 KB	Output is correct
5	Correct	84 ms	10112 KB	Output is correct
6	Correct	74 ms	9900 KB	Output is correct
7	Correct	74 ms	10068 KB	Output is correct
8	Correct	84 ms	9900 KB	Output is correct
9	Correct	79 ms	9900 KB	Output is correct
10	Correct	74 ms	10028 KB	Output is correct

Subtask #5
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	452 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	600 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	468 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	420 KB	Output is correct
24	Correct	1 ms	600 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	0 ms	344 KB	Output is correct
31	Correct	0 ms	460 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	600 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	0 ms	348 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	1 ms	464 KB	Output is correct
44	Correct	0 ms	344 KB	Output is correct
45	Correct	0 ms	348 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	1 ms	344 KB	Output is correct
49	Correct	1 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct

Subtask #6
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	452 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	600 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	468 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	420 KB	Output is correct
24	Correct	1 ms	600 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	103 ms	13092 KB	Output is correct
31	Correct	98 ms	13512 KB	Output is correct
32	Correct	74 ms	14348 KB	Output is correct
33	Correct	90 ms	13720 KB	Output is correct
34	Correct	93 ms	13832 KB	Output is correct
35	Correct	92 ms	14540 KB	Output is correct
36	Correct	85 ms	14012 KB	Output is correct
37	Correct	113 ms	24036 KB	Output is correct
38	Correct	99 ms	23048 KB	Output is correct
39	Correct	100 ms	24248 KB	Output is correct
40	Correct	114 ms	22964 KB	Output is correct
41	Correct	79 ms	13508 KB	Output is correct
42	Correct	93 ms	13640 KB	Output is correct
43	Correct	114 ms	24292 KB	Output is correct
44	Correct	110 ms	24248 KB	Output is correct
45	Correct	79 ms	10036 KB	Output is correct
46	Correct	83 ms	10072 KB	Output is correct
47	Correct	75 ms	10064 KB	Output is correct
48	Correct	88 ms	10032 KB	Output is correct
49	Correct	84 ms	10112 KB	Output is correct
50	Correct	74 ms	9900 KB	Output is correct
51	Correct	74 ms	10068 KB	Output is correct
52	Correct	84 ms	9900 KB	Output is correct
53	Correct	79 ms	9900 KB	Output is correct
54	Correct	74 ms	10028 KB	Output is correct
55	Correct	0 ms	344 KB	Output is correct
56	Correct	0 ms	460 KB	Output is correct
57	Correct	0 ms	348 KB	Output is correct
58	Correct	0 ms	348 KB	Output is correct
59	Correct	0 ms	348 KB	Output is correct
60	Correct	0 ms	348 KB	Output is correct
61	Correct	0 ms	600 KB	Output is correct
62	Correct	0 ms	348 KB	Output is correct
63	Correct	1 ms	348 KB	Output is correct
64	Correct	0 ms	348 KB	Output is correct
65	Correct	0 ms	348 KB	Output is correct
66	Correct	0 ms	348 KB	Output is correct
67	Correct	0 ms	348 KB	Output is correct
68	Correct	1 ms	464 KB	Output is correct
69	Correct	0 ms	344 KB	Output is correct
70	Correct	0 ms	348 KB	Output is correct
71	Correct	0 ms	348 KB	Output is correct
72	Correct	0 ms	348 KB	Output is correct
73	Correct	1 ms	344 KB	Output is correct
74	Correct	1 ms	348 KB	Output is correct
75	Correct	0 ms	348 KB	Output is correct
76	Correct	61 ms	6440 KB	Output is correct
77	Correct	62 ms	6320 KB	Output is correct
78	Correct	58 ms	5800 KB	Output is correct
79	Correct	58 ms	6064 KB	Output is correct
80	Correct	71 ms	6700 KB	Output is correct
81	Correct	58 ms	5816 KB	Output is correct
82	Correct	57 ms	5928 KB	Output is correct
83	Correct	70 ms	6308 KB	Output is correct
84	Correct	59 ms	6200 KB	Output is correct
85	Correct	59 ms	6488 KB	Output is correct
86	Correct	58 ms	5680 KB	Output is correct
87	Correct	56 ms	5712 KB	Output is correct
88	Correct	61 ms	5972 KB	Output is correct
89	Correct	57 ms	5804 KB	Output is correct
90	Correct	57 ms	5800 KB	Output is correct
91	Correct	55 ms	5424 KB	Output is correct
92	Correct	100 ms	15032 KB	Output is correct
93	Correct	101 ms	14544 KB	Output is correct
94	Correct	54 ms	5204 KB	Output is correct
95	Correct	66 ms	6736 KB	Output is correct
96	Correct	55 ms	5460 KB	Output is correct
97	Correct	58 ms	5796 KB	Output is correct
98	Correct	57 ms	5968 KB	Output is correct
99	Correct	70 ms	5804 KB	Output is correct
100	Correct	58 ms	5928 KB	Output is correct

답안 #892494

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 13.0 / 13.0

Subtask #3 25.0 / 25.0

Subtask #4 11.0 / 11.0

Subtask #5 14.0 / 14.0

Subtask #6 28.0 / 28.0

Subtask #1
9.0 / 9.0

Subtask #2
13.0 / 13.0

Subtask #3
25.0 / 25.0

Subtask #4
11.0 / 11.0

Subtask #5
14.0 / 14.0

Subtask #6
28.0 / 28.0