답안 #1007912

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1007912	2024-06-25T18:50:44 Z	beaboss	Long Distance Coach (JOI17_coach)	C++14	71 / 100	2000 ms	21076 KB

coach

// Source: https://oj.uz/problem/view/JOI17_coach?locale=en
// 

#include "bits/stdc++.h"

using namespace std;

#define s second
#define f first
#define pb push_back

typedef long long ll;
#define int long long

typedef pair<int, int> pii;
typedef vector<pii> vpii;

typedef vector<int> vi;

#define FOR(i, a, b) for (int i = (a); i<b; i++)

bool ckmin(int& a, int b){ return b < a ? a = b, true : false; }

bool ckmax(int& a, int b){ return b > a ? a = b, true : false; }

const int INF = 2e18;

struct Line {
	int m, b;
	int evalX(int x) {
		return m * x + b;
	}
	double isectX(Line l) {
		return ((double) l.b - (double) b) / ((double) m - (double) l.m);
	}
};

deque<Line> line;
void add(Line l) {
	line.push_back(l);
	// while (line.size() > 0 && line[0].m == l.m) {
	// 	if (l.b < line[0].b) line.pop_front();
	// 	else return;
	// }
	// while (line.size() > 1 && line[0].isectX(line[1]) < l.isectX(line[1])) line.pop_front();
	// line.push_back(l);

}

int query(int pos) {
	int best = 0;

	for (auto val: line) best = min(best, val.evalX(pos));
	return best;
}

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);

	int x, n, m, w, t;
	cin >> x >> n >> m >> w >> t;
	m++;

	vector<array<int, 3> > all(n + m + 1, {-1, -1, 1});

	FOR(i, 1, n + 1) {
		cin >> all[i][1];
		all[i][0] = all[i][1] % t;
		all[i][2] = 0;
	}	
	FOR(i, n + 1, n + m) cin >> all[i][0] >> all[i][1];	
	all[n + m] = {x % t, x, 0};


	sort(all.begin(), all.end());

	vi prefc(n + m + 1, 0);
	vi cnt(n + m + 1, 0);
	for (int i = 1; i <= n + m; i++) {
		prefc[i] = prefc[i-1] + all[i][1] * all[i][2];
		cnt[i] = cnt[i-1] + all[i][2];
	}
	vi dp(n + m + 1, 0);
	int periods = (x / t);

	// add({0, 0});

	for (int i = 1; i <= n + m; i++) {
		// cout << all[i][0] << ' ' << all[i][1] << ' ' << all[i][2] << endl;
		if (all[i][2] == 0) { // refill point
			int skip = (all[i][1] - all[i][0]) / t;
			dp[i] = min(dp[i-1], query(-skip * w) + prefc[i] + skip * w * cnt[i]);
			// ckmin(dp[i], 0);
			// for (int j = 0; j < i; j++) {
			// 	int skip = (all[i][1] - all[i][0]) / t;
			// 	ckmin(dp[i], prefc[i] + skip * w * cnt[i] - skip * w * cnt[j] - prefc[j] + dp[j]);
			// }
		} else {
			dp[i] = dp[i-1] + w * (periods + (all[i][0] <= (x % t)));
		}

		add({cnt[i], -prefc[i] + dp[i]});


	}

	cout << dp[n + m] + (periods + 1ll) * w << endl;




}

Subtask #1
16.0 / 16.0

#	결과	메모리	Grader output
1	Correct	344 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	420 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct
11	Correct	348 KB	Output is correct
12	Correct	348 KB	Output is correct
13	Correct	348 KB	Output is correct
14	Correct	344 KB	Output is correct
15	Correct	348 KB	Output is correct
16	Correct	348 KB	Output is correct
17	Correct	348 KB	Output is correct
18	Correct	348 KB	Output is correct
19	Correct	348 KB	Output is correct
20	Correct	348 KB	Output is correct
21	Correct	348 KB	Output is correct
22	Correct	348 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	메모리	Grader output
1	Correct	344 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	420 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct
11	Correct	348 KB	Output is correct
12	Correct	348 KB	Output is correct
13	Correct	348 KB	Output is correct
14	Correct	344 KB	Output is correct
15	Correct	348 KB	Output is correct
16	Correct	348 KB	Output is correct
17	Correct	348 KB	Output is correct
18	Correct	348 KB	Output is correct
19	Correct	348 KB	Output is correct
20	Correct	348 KB	Output is correct
21	Correct	348 KB	Output is correct
22	Correct	348 KB	Output is correct
23	Correct	348 KB	Output is correct
24	Correct	348 KB	Output is correct
25	Correct	348 KB	Output is correct
26	Correct	348 KB	Output is correct
27	Correct	348 KB	Output is correct
28	Correct	348 KB	Output is correct
29	Correct	348 KB	Output is correct
30	Correct	348 KB	Output is correct
31	Correct	348 KB	Output is correct
32	Correct	348 KB	Output is correct
33	Correct	348 KB	Output is correct
34	Correct	348 KB	Output is correct
35	Correct	348 KB	Output is correct
36	Correct	348 KB	Output is correct
37	Correct	348 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	420 KB	Output is correct
9	Correct	0 ms	348 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	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 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	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	3 ms	604 KB	Output is correct
39	Correct	3 ms	604 KB	Output is correct
40	Correct	3 ms	660 KB	Output is correct
41	Correct	4 ms	604 KB	Output is correct
42	Correct	4 ms	604 KB	Output is correct
43	Correct	3 ms	604 KB	Output is correct
44	Correct	4 ms	604 KB	Output is correct
45	Correct	3 ms	604 KB	Output is correct
46	Correct	4 ms	604 KB	Output is correct
47	Correct	3 ms	604 KB	Output is correct
48	Correct	3 ms	604 KB	Output is correct
49	Correct	3 ms	604 KB	Output is correct
50	Correct	3 ms	604 KB	Output is correct
51	Correct	3 ms	604 KB	Output is correct

Subtask #4
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	420 KB	Output is correct
9	Correct	0 ms	348 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	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 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	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	3 ms	604 KB	Output is correct
39	Correct	3 ms	604 KB	Output is correct
40	Correct	3 ms	660 KB	Output is correct
41	Correct	4 ms	604 KB	Output is correct
42	Correct	4 ms	604 KB	Output is correct
43	Correct	3 ms	604 KB	Output is correct
44	Correct	4 ms	604 KB	Output is correct
45	Correct	3 ms	604 KB	Output is correct
46	Correct	4 ms	604 KB	Output is correct
47	Correct	3 ms	604 KB	Output is correct
48	Correct	3 ms	604 KB	Output is correct
49	Correct	3 ms	604 KB	Output is correct
50	Correct	3 ms	604 KB	Output is correct
51	Correct	3 ms	604 KB	Output is correct
52	Execution timed out	2059 ms	21076 KB	Time limit exceeded
53	Halted	0 ms	0 KB	-

답안 #1007912

Compilation message

Subtask #1 16.0 / 16.0

Subtask #2 30.0 / 30.0

Subtask #3 25.0 / 25.0

Subtask #4 0 / 29.0

Subtask #1
16.0 / 16.0

Subtask #2
30.0 / 30.0

Subtask #3
25.0 / 25.0

Subtask #4
0 / 29.0