Submission #127867

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
127867	2019-07-10T07:37:03 Z	김세빈(#3108)	Long Distance Coach (JOI17_coach)	C++14	71 / 100	2000 ms	15240 KB

coach

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair <ll, ll> pll;

vector <pll> V[202020];
pll P[202020];
ll X[202020];
ll dp[202020];
ll x, n, m, w, k, ans;

int main()
{
	ll i, j, l, r, v, s;
	
	scanf("%lld%lld%lld%lld%lld", &x, &n, &m, &w, &k);
	
	for(i=1; i<=n; i++){
		scanf("%lld", X + i);
	}
	
	sort(X + 1, X + n + 1);
	
	X[++n] = x;
	
	for(i=1; i<=m; i++){
		scanf("%lld%lld", &P[i].first, &P[i].second);
	}
	
	sort(P + 1, P + m + 1);
	
	for(i=1; i<=n; i++){
		if(X[i - 1] % k + (X[i] - X[i - 1]) < k){
			l = X[i - 1] % k + 1; r = X[i] % k; v = X[i] / k;
		}
		else{
			l = 1; r = X[i] % k; v = X[i] / k;
		}
		
		l = lower_bound(P + 1, P + m + 1, pll(l, -1)) - P;
		r = lower_bound(P + 1, P + m + 1, pll(r, 1e18)) - P - 1;
		if(r >= 1 && l <= r) V[r].emplace_back(l, v);
	}
	
	dp[0] = (x / k + 1) * w;
	
	for(i=1; i<=m; i++){
		if(P[i].first % k < x % k) dp[i] = dp[i - 1] + (x / k + 1) * w;
		else dp[i] = dp[i - 1] + x / k * w;
		
		for(pll &t: V[i]){
			for(j=i, s=0; j>=1 && j>=t.first; j--){
				s += P[j].second + w * t.second;
				dp[i] = min(dp[i], dp[j - 1] + s);
			}
		}
	}
	
	printf("%lld\n", dp[m]);
	
	return 0;
}

Compilation message

coach.cpp: In function 'int main()':
coach.cpp:18:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld%lld%lld%lld", &x, &n, &m, &w, &k);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
coach.cpp:21:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", X + i);
   ~~~~~^~~~~~~~~~~~~~~
coach.cpp:29:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld", &P[i].first, &P[i].second);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	5112 KB	Output is correct
2	Correct	6 ms	5112 KB	Output is correct
3	Correct	6 ms	5112 KB	Output is correct
4	Correct	6 ms	5112 KB	Output is correct
5	Correct	6 ms	5112 KB	Output is correct
6	Correct	6 ms	5112 KB	Output is correct
7	Correct	6 ms	5112 KB	Output is correct
8	Correct	6 ms	5112 KB	Output is correct
9	Correct	6 ms	5108 KB	Output is correct
10	Correct	6 ms	5112 KB	Output is correct
11	Correct	6 ms	5112 KB	Output is correct
12	Correct	6 ms	5164 KB	Output is correct
13	Correct	6 ms	5116 KB	Output is correct
14	Correct	6 ms	5112 KB	Output is correct
15	Correct	6 ms	5112 KB	Output is correct
16	Correct	6 ms	5092 KB	Output is correct
17	Correct	6 ms	5112 KB	Output is correct
18	Correct	6 ms	5112 KB	Output is correct
19	Correct	6 ms	5112 KB	Output is correct
20	Correct	6 ms	5112 KB	Output is correct
21	Correct	6 ms	5112 KB	Output is correct
22	Correct	6 ms	5116 KB	Output is correct

Subtask #2
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	5112 KB	Output is correct
2	Correct	6 ms	5112 KB	Output is correct
3	Correct	6 ms	5112 KB	Output is correct
4	Correct	6 ms	5112 KB	Output is correct
5	Correct	6 ms	5112 KB	Output is correct
6	Correct	6 ms	5112 KB	Output is correct
7	Correct	6 ms	5112 KB	Output is correct
8	Correct	6 ms	5112 KB	Output is correct
9	Correct	6 ms	5108 KB	Output is correct
10	Correct	6 ms	5112 KB	Output is correct
11	Correct	6 ms	5112 KB	Output is correct
12	Correct	6 ms	5164 KB	Output is correct
13	Correct	6 ms	5116 KB	Output is correct
14	Correct	6 ms	5112 KB	Output is correct
15	Correct	6 ms	5112 KB	Output is correct
16	Correct	6 ms	5092 KB	Output is correct
17	Correct	6 ms	5112 KB	Output is correct
18	Correct	6 ms	5112 KB	Output is correct
19	Correct	6 ms	5112 KB	Output is correct
20	Correct	6 ms	5112 KB	Output is correct
21	Correct	6 ms	5112 KB	Output is correct
22	Correct	6 ms	5116 KB	Output is correct
23	Correct	6 ms	5112 KB	Output is correct
24	Correct	6 ms	5088 KB	Output is correct
25	Correct	6 ms	5112 KB	Output is correct
26	Correct	6 ms	5044 KB	Output is correct
27	Correct	6 ms	5128 KB	Output is correct
28	Correct	6 ms	5116 KB	Output is correct
29	Correct	6 ms	5112 KB	Output is correct
30	Correct	6 ms	5112 KB	Output is correct
31	Correct	6 ms	5112 KB	Output is correct
32	Correct	7 ms	5044 KB	Output is correct
33	Correct	6 ms	5112 KB	Output is correct
34	Correct	7 ms	5132 KB	Output is correct
35	Correct	7 ms	5112 KB	Output is correct
36	Correct	7 ms	5028 KB	Output is correct
37	Correct	6 ms	5112 KB	Output is correct

Subtask #3
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	5112 KB	Output is correct
2	Correct	6 ms	5112 KB	Output is correct
3	Correct	6 ms	5112 KB	Output is correct
4	Correct	6 ms	5112 KB	Output is correct
5	Correct	6 ms	5112 KB	Output is correct
6	Correct	6 ms	5112 KB	Output is correct
7	Correct	6 ms	5112 KB	Output is correct
8	Correct	6 ms	5112 KB	Output is correct
9	Correct	6 ms	5108 KB	Output is correct
10	Correct	6 ms	5112 KB	Output is correct
11	Correct	6 ms	5112 KB	Output is correct
12	Correct	6 ms	5164 KB	Output is correct
13	Correct	6 ms	5116 KB	Output is correct
14	Correct	6 ms	5112 KB	Output is correct
15	Correct	6 ms	5112 KB	Output is correct
16	Correct	6 ms	5092 KB	Output is correct
17	Correct	6 ms	5112 KB	Output is correct
18	Correct	6 ms	5112 KB	Output is correct
19	Correct	6 ms	5112 KB	Output is correct
20	Correct	6 ms	5112 KB	Output is correct
21	Correct	6 ms	5112 KB	Output is correct
22	Correct	6 ms	5116 KB	Output is correct
23	Correct	6 ms	5112 KB	Output is correct
24	Correct	6 ms	5088 KB	Output is correct
25	Correct	6 ms	5112 KB	Output is correct
26	Correct	6 ms	5044 KB	Output is correct
27	Correct	6 ms	5128 KB	Output is correct
28	Correct	6 ms	5116 KB	Output is correct
29	Correct	6 ms	5112 KB	Output is correct
30	Correct	6 ms	5112 KB	Output is correct
31	Correct	6 ms	5112 KB	Output is correct
32	Correct	7 ms	5044 KB	Output is correct
33	Correct	6 ms	5112 KB	Output is correct
34	Correct	7 ms	5132 KB	Output is correct
35	Correct	7 ms	5112 KB	Output is correct
36	Correct	7 ms	5028 KB	Output is correct
37	Correct	6 ms	5112 KB	Output is correct
38	Correct	13 ms	5368 KB	Output is correct
39	Correct	13 ms	5240 KB	Output is correct
40	Correct	14 ms	5240 KB	Output is correct
41	Correct	13 ms	5112 KB	Output is correct
42	Correct	14 ms	5240 KB	Output is correct
43	Correct	12 ms	5240 KB	Output is correct
44	Correct	14 ms	5240 KB	Output is correct
45	Correct	14 ms	5124 KB	Output is correct
46	Correct	14 ms	5244 KB	Output is correct
47	Correct	14 ms	5240 KB	Output is correct
48	Correct	14 ms	5236 KB	Output is correct
49	Correct	7 ms	5112 KB	Output is correct
50	Correct	13 ms	5248 KB	Output is correct
51	Correct	13 ms	5244 KB	Output is correct

Subtask #4
0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	5112 KB	Output is correct
2	Correct	6 ms	5112 KB	Output is correct
3	Correct	6 ms	5112 KB	Output is correct
4	Correct	6 ms	5112 KB	Output is correct
5	Correct	6 ms	5112 KB	Output is correct
6	Correct	6 ms	5112 KB	Output is correct
7	Correct	6 ms	5112 KB	Output is correct
8	Correct	6 ms	5112 KB	Output is correct
9	Correct	6 ms	5108 KB	Output is correct
10	Correct	6 ms	5112 KB	Output is correct
11	Correct	6 ms	5112 KB	Output is correct
12	Correct	6 ms	5164 KB	Output is correct
13	Correct	6 ms	5116 KB	Output is correct
14	Correct	6 ms	5112 KB	Output is correct
15	Correct	6 ms	5112 KB	Output is correct
16	Correct	6 ms	5092 KB	Output is correct
17	Correct	6 ms	5112 KB	Output is correct
18	Correct	6 ms	5112 KB	Output is correct
19	Correct	6 ms	5112 KB	Output is correct
20	Correct	6 ms	5112 KB	Output is correct
21	Correct	6 ms	5112 KB	Output is correct
22	Correct	6 ms	5116 KB	Output is correct
23	Correct	6 ms	5112 KB	Output is correct
24	Correct	6 ms	5088 KB	Output is correct
25	Correct	6 ms	5112 KB	Output is correct
26	Correct	6 ms	5044 KB	Output is correct
27	Correct	6 ms	5128 KB	Output is correct
28	Correct	6 ms	5116 KB	Output is correct
29	Correct	6 ms	5112 KB	Output is correct
30	Correct	6 ms	5112 KB	Output is correct
31	Correct	6 ms	5112 KB	Output is correct
32	Correct	7 ms	5044 KB	Output is correct
33	Correct	6 ms	5112 KB	Output is correct
34	Correct	7 ms	5132 KB	Output is correct
35	Correct	7 ms	5112 KB	Output is correct
36	Correct	7 ms	5028 KB	Output is correct
37	Correct	6 ms	5112 KB	Output is correct
38	Correct	13 ms	5368 KB	Output is correct
39	Correct	13 ms	5240 KB	Output is correct
40	Correct	14 ms	5240 KB	Output is correct
41	Correct	13 ms	5112 KB	Output is correct
42	Correct	14 ms	5240 KB	Output is correct
43	Correct	12 ms	5240 KB	Output is correct
44	Correct	14 ms	5240 KB	Output is correct
45	Correct	14 ms	5124 KB	Output is correct
46	Correct	14 ms	5244 KB	Output is correct
47	Correct	14 ms	5240 KB	Output is correct
48	Correct	14 ms	5236 KB	Output is correct
49	Correct	7 ms	5112 KB	Output is correct
50	Correct	13 ms	5248 KB	Output is correct
51	Correct	13 ms	5244 KB	Output is correct
52	Execution timed out	2017 ms	15240 KB	Time limit exceeded
53	Halted	0 ms	0 KB	-

Submission #127867

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