답안 #54338 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
54338	2018-07-03T07:44:40 Z	ksun48	Long Distance Coach (JOI17_coach)	C++14	71 / 100	2000 ms	14264 KB

coach

#include <bits/stdc++.h>
typedef long long LL;
using namespace std;

int main(){
	cin.sync_with_stdio(0); cin.tie(0);
	LL X, N, M, W, T;
	cin >> X >> N >> M >> W >> T;
	T *= 2;
	X *= 2;
	// X = total duration
	// N = # stops
	// M = # passenges
	vector<LL> stop;
	stop.push_back(0);
	for(LL i = 0; i < N; i++){
		LL s;
		cin >> s;
		s *= 2;
		stop.push_back(s);
	}
	stop.push_back(X);

	// W = cost
	vector<pair<LL,LL> > times;

	LL totalrefundcost = 0;
	for(LL i = 0; i < M; i++){
		LL d, c;
		cin >> d >> c;
		d *= 2;
		totalrefundcost += c;
		if(X < (X/T) * T + d){
			c += W;
			stop.push_back((X/T) * T + d + 1);
		}
		times.push_back({d,c});
	}
	sort(times.begin(), times.end());
	sort(stop.begin(), stop.end());
	X = ((X/T) + 1) * T;

	vector<LL> t;
	vector<LL> refundcost;
	t.push_back(0);
	refundcost.push_back(0); // but you must always feed the driver
	for(int i = 0; i < times.size(); i++){
		t.push_back(times[i].first);
		refundcost.push_back(times[i].second);
	}
	t.push_back(T);
	refundcost.push_back(0); // should not use this result

	vector<LL> dp(refundcost.size(), W*(X+1));
	dp[0] = 0;

	LL rounds = W * (X/T);
	vector<LL> mincost(refundcost.size(), rounds);
	for(LL r = 1; r < stop.size(); r++){
		LL R = stop[r];
		for(int i = 0; i < t.size(); i++){
			if(t[i] < (R % T) && (R % T) < t[i+1]){
				mincost[i] = min(mincost[i], W * (stop[r] / T));
				break;
			}
		}
	}
	for(int j = 1; j < refundcost.size(); j++){
		LL cost = 0;
		LL curcost = rounds;
		for(int i = j-1; i >= 0; i--){
			dp[j] = min(dp[j], dp[i] + rounds + cost - refundcost[i]);
			curcost = min(curcost, mincost[i]);
			cost += curcost;
		}
	}
	// T = time delay
	cout << dp[refundcost.size()-1] + totalrefundcost << '\n';
}

Compilation message

coach.cpp: In function 'int main()':
coach.cpp:47:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < times.size(); i++){
                 ~~^~~~~~~~~~~~~~
coach.cpp:59:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(LL r = 1; r < stop.size(); r++){
                ~~^~~~~~~~~~~~~
coach.cpp:61:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i < t.size(); i++){
                  ~~^~~~~~~~~~
coach.cpp:68:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int j = 1; j < refundcost.size(); j++){
                 ~~^~~~~~~~~~~~~~~~~~~

Subtask #1
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	428 KB	Output is correct
4	Correct	3 ms	480 KB	Output is correct
5	Correct	2 ms	512 KB	Output is correct
6	Correct	2 ms	560 KB	Output is correct
7	Correct	2 ms	564 KB	Output is correct
8	Correct	3 ms	572 KB	Output is correct
9	Correct	2 ms	596 KB	Output is correct
10	Correct	3 ms	596 KB	Output is correct
11	Correct	3 ms	596 KB	Output is correct
12	Correct	3 ms	596 KB	Output is correct
13	Correct	3 ms	596 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	2 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	2 ms	732 KB	Output is correct
18	Correct	2 ms	732 KB	Output is correct
19	Correct	2 ms	732 KB	Output is correct
20	Correct	2 ms	740 KB	Output is correct
21	Correct	2 ms	740 KB	Output is correct
22	Correct	2 ms	740 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	428 KB	Output is correct
4	Correct	3 ms	480 KB	Output is correct
5	Correct	2 ms	512 KB	Output is correct
6	Correct	2 ms	560 KB	Output is correct
7	Correct	2 ms	564 KB	Output is correct
8	Correct	3 ms	572 KB	Output is correct
9	Correct	2 ms	596 KB	Output is correct
10	Correct	3 ms	596 KB	Output is correct
11	Correct	3 ms	596 KB	Output is correct
12	Correct	3 ms	596 KB	Output is correct
13	Correct	3 ms	596 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	2 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	2 ms	732 KB	Output is correct
18	Correct	2 ms	732 KB	Output is correct
19	Correct	2 ms	732 KB	Output is correct
20	Correct	2 ms	740 KB	Output is correct
21	Correct	2 ms	740 KB	Output is correct
22	Correct	2 ms	740 KB	Output is correct
23	Correct	2 ms	740 KB	Output is correct
24	Correct	2 ms	740 KB	Output is correct
25	Correct	2 ms	740 KB	Output is correct
26	Correct	2 ms	740 KB	Output is correct
27	Correct	2 ms	740 KB	Output is correct
28	Correct	2 ms	740 KB	Output is correct
29	Correct	2 ms	740 KB	Output is correct
30	Correct	2 ms	740 KB	Output is correct
31	Correct	3 ms	740 KB	Output is correct
32	Correct	2 ms	740 KB	Output is correct
33	Correct	2 ms	740 KB	Output is correct
34	Correct	2 ms	740 KB	Output is correct
35	Correct	2 ms	740 KB	Output is correct
36	Correct	2 ms	740 KB	Output is correct
37	Correct	3 ms	740 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	428 KB	Output is correct
4	Correct	3 ms	480 KB	Output is correct
5	Correct	2 ms	512 KB	Output is correct
6	Correct	2 ms	560 KB	Output is correct
7	Correct	2 ms	564 KB	Output is correct
8	Correct	3 ms	572 KB	Output is correct
9	Correct	2 ms	596 KB	Output is correct
10	Correct	3 ms	596 KB	Output is correct
11	Correct	3 ms	596 KB	Output is correct
12	Correct	3 ms	596 KB	Output is correct
13	Correct	3 ms	596 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	2 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	2 ms	732 KB	Output is correct
18	Correct	2 ms	732 KB	Output is correct
19	Correct	2 ms	732 KB	Output is correct
20	Correct	2 ms	740 KB	Output is correct
21	Correct	2 ms	740 KB	Output is correct
22	Correct	2 ms	740 KB	Output is correct
23	Correct	2 ms	740 KB	Output is correct
24	Correct	2 ms	740 KB	Output is correct
25	Correct	2 ms	740 KB	Output is correct
26	Correct	2 ms	740 KB	Output is correct
27	Correct	2 ms	740 KB	Output is correct
28	Correct	2 ms	740 KB	Output is correct
29	Correct	2 ms	740 KB	Output is correct
30	Correct	2 ms	740 KB	Output is correct
31	Correct	3 ms	740 KB	Output is correct
32	Correct	2 ms	740 KB	Output is correct
33	Correct	2 ms	740 KB	Output is correct
34	Correct	2 ms	740 KB	Output is correct
35	Correct	2 ms	740 KB	Output is correct
36	Correct	2 ms	740 KB	Output is correct
37	Correct	3 ms	740 KB	Output is correct
38	Correct	11 ms	764 KB	Output is correct
39	Correct	9 ms	764 KB	Output is correct
40	Correct	10 ms	764 KB	Output is correct
41	Correct	15 ms	892 KB	Output is correct
42	Correct	12 ms	892 KB	Output is correct
43	Correct	10 ms	892 KB	Output is correct
44	Correct	10 ms	892 KB	Output is correct
45	Correct	11 ms	892 KB	Output is correct
46	Correct	12 ms	896 KB	Output is correct
47	Correct	10 ms	896 KB	Output is correct
48	Correct	11 ms	896 KB	Output is correct
49	Correct	11 ms	896 KB	Output is correct
50	Correct	9 ms	896 KB	Output is correct
51	Correct	11 ms	896 KB	Output is correct

Subtask #4
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	428 KB	Output is correct
4	Correct	3 ms	480 KB	Output is correct
5	Correct	2 ms	512 KB	Output is correct
6	Correct	2 ms	560 KB	Output is correct
7	Correct	2 ms	564 KB	Output is correct
8	Correct	3 ms	572 KB	Output is correct
9	Correct	2 ms	596 KB	Output is correct
10	Correct	3 ms	596 KB	Output is correct
11	Correct	3 ms	596 KB	Output is correct
12	Correct	3 ms	596 KB	Output is correct
13	Correct	3 ms	596 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	2 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	2 ms	732 KB	Output is correct
18	Correct	2 ms	732 KB	Output is correct
19	Correct	2 ms	732 KB	Output is correct
20	Correct	2 ms	740 KB	Output is correct
21	Correct	2 ms	740 KB	Output is correct
22	Correct	2 ms	740 KB	Output is correct
23	Correct	2 ms	740 KB	Output is correct
24	Correct	2 ms	740 KB	Output is correct
25	Correct	2 ms	740 KB	Output is correct
26	Correct	2 ms	740 KB	Output is correct
27	Correct	2 ms	740 KB	Output is correct
28	Correct	2 ms	740 KB	Output is correct
29	Correct	2 ms	740 KB	Output is correct
30	Correct	2 ms	740 KB	Output is correct
31	Correct	3 ms	740 KB	Output is correct
32	Correct	2 ms	740 KB	Output is correct
33	Correct	2 ms	740 KB	Output is correct
34	Correct	2 ms	740 KB	Output is correct
35	Correct	2 ms	740 KB	Output is correct
36	Correct	2 ms	740 KB	Output is correct
37	Correct	3 ms	740 KB	Output is correct
38	Correct	11 ms	764 KB	Output is correct
39	Correct	9 ms	764 KB	Output is correct
40	Correct	10 ms	764 KB	Output is correct
41	Correct	15 ms	892 KB	Output is correct
42	Correct	12 ms	892 KB	Output is correct
43	Correct	10 ms	892 KB	Output is correct
44	Correct	10 ms	892 KB	Output is correct
45	Correct	11 ms	892 KB	Output is correct
46	Correct	12 ms	896 KB	Output is correct
47	Correct	10 ms	896 KB	Output is correct
48	Correct	11 ms	896 KB	Output is correct
49	Correct	11 ms	896 KB	Output is correct
50	Correct	9 ms	896 KB	Output is correct
51	Correct	11 ms	896 KB	Output is correct
52	Execution timed out	2052 ms	14264 KB	Time limit exceeded
53	Halted	0 ms	0 KB	-

답안 #54338

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