Submission #298508

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
298508	2020-09-13T03:37:04 Z	mohammedehab2002	Long Distance Coach (JOI17_coach)	C++11	71 / 100	2000 ms	11864 KB

coach

#include <bits/stdc++.h>
using namespace std;
pair<long long,int> d[200005];
long long x,t,s[200005],dp[200005],fs[200005];
int f[200005];
int main()
{
	int n,m,w;
	scanf("%lld%d%d%d%lld",&x,&n,&m,&w,&t);
	for (int i=0;i<n;i++)
	scanf("%lld",&s[i]);
	s[n]=x;
	sort(s,s+n+1);
	for (int i=1;i<=m;i++)
	scanf("%lld%d",&d[i].first,&d[i].second);
	sort(d,d+m+1);
	memset(f,-1,sizeof(f));
	for (int i=n;i>=0;i--)
	{
		int p=upper_bound(d,d+m+1,make_pair(s[i]%t,0))-d-1;
		f[p]=i;
	}
	dp[m+1]=(x/t+1)*w;
	fs[m+1]=dp[m+1];
	for (int i=m;i>0;i--)
	{
		fs[i]=min(((x-d[i].first)/t+1)*w+dp[i+1],(long long)2e18);
		dp[i]=fs[i];
		long long mn=2e18;
		for (int j=i+1;j<=m+1;j++)
		{
			if (f[j-1]!=-1)
			mn=min(mn,((s[f[j-1]]-d[i].first)/t)*w);
			fs[j]=min((long long)2e18,fs[j]+mn+d[i].second);
			dp[i]=min(dp[i],fs[j]);
		}
	}
	printf("%lld",dp[1]);
}

Compilation message

coach.cpp: In function 'int main()':
coach.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 |  scanf("%lld%d%d%d%lld",&x,&n,&m,&w,&t);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
coach.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 |  scanf("%lld",&s[i]);
      |  ~~~~~^~~~~~~~~~~~~~
coach.cpp:15:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   15 |  scanf("%lld%d",&d[i].first,&d[i].second);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1152 KB	Output is correct
2	Correct	1 ms	1152 KB	Output is correct
3	Correct	1 ms	1152 KB	Output is correct
4	Correct	1 ms	1152 KB	Output is correct
5	Correct	1 ms	1152 KB	Output is correct
6	Correct	1 ms	1152 KB	Output is correct
7	Correct	1 ms	1152 KB	Output is correct
8	Correct	1 ms	1152 KB	Output is correct
9	Correct	1 ms	1280 KB	Output is correct
10	Correct	1 ms	1152 KB	Output is correct
11	Correct	1 ms	1152 KB	Output is correct
12	Correct	1 ms	1152 KB	Output is correct
13	Correct	1 ms	1152 KB	Output is correct
14	Correct	1 ms	1152 KB	Output is correct
15	Correct	1 ms	1152 KB	Output is correct
16	Correct	1 ms	1152 KB	Output is correct
17	Correct	1 ms	1152 KB	Output is correct
18	Correct	1 ms	1152 KB	Output is correct
19	Correct	1 ms	1152 KB	Output is correct
20	Correct	1 ms	1152 KB	Output is correct
21	Correct	1 ms	1280 KB	Output is correct
22	Correct	1 ms	1152 KB	Output is correct

Subtask #2
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1152 KB	Output is correct
2	Correct	1 ms	1152 KB	Output is correct
3	Correct	1 ms	1152 KB	Output is correct
4	Correct	1 ms	1152 KB	Output is correct
5	Correct	1 ms	1152 KB	Output is correct
6	Correct	1 ms	1152 KB	Output is correct
7	Correct	1 ms	1152 KB	Output is correct
8	Correct	1 ms	1152 KB	Output is correct
9	Correct	1 ms	1280 KB	Output is correct
10	Correct	1 ms	1152 KB	Output is correct
11	Correct	1 ms	1152 KB	Output is correct
12	Correct	1 ms	1152 KB	Output is correct
13	Correct	1 ms	1152 KB	Output is correct
14	Correct	1 ms	1152 KB	Output is correct
15	Correct	1 ms	1152 KB	Output is correct
16	Correct	1 ms	1152 KB	Output is correct
17	Correct	1 ms	1152 KB	Output is correct
18	Correct	1 ms	1152 KB	Output is correct
19	Correct	1 ms	1152 KB	Output is correct
20	Correct	1 ms	1152 KB	Output is correct
21	Correct	1 ms	1280 KB	Output is correct
22	Correct	1 ms	1152 KB	Output is correct
23	Correct	1 ms	1152 KB	Output is correct
24	Correct	2 ms	1152 KB	Output is correct
25	Correct	1 ms	1152 KB	Output is correct
26	Correct	1 ms	1152 KB	Output is correct
27	Correct	1 ms	1152 KB	Output is correct
28	Correct	1 ms	1152 KB	Output is correct
29	Correct	1 ms	1152 KB	Output is correct
30	Correct	1 ms	1152 KB	Output is correct
31	Correct	1 ms	1152 KB	Output is correct
32	Correct	1 ms	1152 KB	Output is correct
33	Correct	1 ms	1152 KB	Output is correct
34	Correct	1 ms	1152 KB	Output is correct
35	Correct	1 ms	1152 KB	Output is correct
36	Correct	1 ms	1152 KB	Output is correct
37	Correct	1 ms	1152 KB	Output is correct

Subtask #3
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1152 KB	Output is correct
2	Correct	1 ms	1152 KB	Output is correct
3	Correct	1 ms	1152 KB	Output is correct
4	Correct	1 ms	1152 KB	Output is correct
5	Correct	1 ms	1152 KB	Output is correct
6	Correct	1 ms	1152 KB	Output is correct
7	Correct	1 ms	1152 KB	Output is correct
8	Correct	1 ms	1152 KB	Output is correct
9	Correct	1 ms	1280 KB	Output is correct
10	Correct	1 ms	1152 KB	Output is correct
11	Correct	1 ms	1152 KB	Output is correct
12	Correct	1 ms	1152 KB	Output is correct
13	Correct	1 ms	1152 KB	Output is correct
14	Correct	1 ms	1152 KB	Output is correct
15	Correct	1 ms	1152 KB	Output is correct
16	Correct	1 ms	1152 KB	Output is correct
17	Correct	1 ms	1152 KB	Output is correct
18	Correct	1 ms	1152 KB	Output is correct
19	Correct	1 ms	1152 KB	Output is correct
20	Correct	1 ms	1152 KB	Output is correct
21	Correct	1 ms	1280 KB	Output is correct
22	Correct	1 ms	1152 KB	Output is correct
23	Correct	1 ms	1152 KB	Output is correct
24	Correct	2 ms	1152 KB	Output is correct
25	Correct	1 ms	1152 KB	Output is correct
26	Correct	1 ms	1152 KB	Output is correct
27	Correct	1 ms	1152 KB	Output is correct
28	Correct	1 ms	1152 KB	Output is correct
29	Correct	1 ms	1152 KB	Output is correct
30	Correct	1 ms	1152 KB	Output is correct
31	Correct	1 ms	1152 KB	Output is correct
32	Correct	1 ms	1152 KB	Output is correct
33	Correct	1 ms	1152 KB	Output is correct
34	Correct	1 ms	1152 KB	Output is correct
35	Correct	1 ms	1152 KB	Output is correct
36	Correct	1 ms	1152 KB	Output is correct
37	Correct	1 ms	1152 KB	Output is correct
38	Correct	11 ms	1280 KB	Output is correct
39	Correct	18 ms	1280 KB	Output is correct
40	Correct	23 ms	1280 KB	Output is correct
41	Correct	11 ms	1280 KB	Output is correct
42	Correct	11 ms	1280 KB	Output is correct
43	Correct	10 ms	1280 KB	Output is correct
44	Correct	15 ms	1280 KB	Output is correct
45	Correct	11 ms	1280 KB	Output is correct
46	Correct	16 ms	1280 KB	Output is correct
47	Correct	18 ms	1280 KB	Output is correct
48	Correct	13 ms	1408 KB	Output is correct
49	Correct	12 ms	1280 KB	Output is correct
50	Correct	11 ms	1280 KB	Output is correct
51	Correct	11 ms	1280 KB	Output is correct

Subtask #4
0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1152 KB	Output is correct
2	Correct	1 ms	1152 KB	Output is correct
3	Correct	1 ms	1152 KB	Output is correct
4	Correct	1 ms	1152 KB	Output is correct
5	Correct	1 ms	1152 KB	Output is correct
6	Correct	1 ms	1152 KB	Output is correct
7	Correct	1 ms	1152 KB	Output is correct
8	Correct	1 ms	1152 KB	Output is correct
9	Correct	1 ms	1280 KB	Output is correct
10	Correct	1 ms	1152 KB	Output is correct
11	Correct	1 ms	1152 KB	Output is correct
12	Correct	1 ms	1152 KB	Output is correct
13	Correct	1 ms	1152 KB	Output is correct
14	Correct	1 ms	1152 KB	Output is correct
15	Correct	1 ms	1152 KB	Output is correct
16	Correct	1 ms	1152 KB	Output is correct
17	Correct	1 ms	1152 KB	Output is correct
18	Correct	1 ms	1152 KB	Output is correct
19	Correct	1 ms	1152 KB	Output is correct
20	Correct	1 ms	1152 KB	Output is correct
21	Correct	1 ms	1280 KB	Output is correct
22	Correct	1 ms	1152 KB	Output is correct
23	Correct	1 ms	1152 KB	Output is correct
24	Correct	2 ms	1152 KB	Output is correct
25	Correct	1 ms	1152 KB	Output is correct
26	Correct	1 ms	1152 KB	Output is correct
27	Correct	1 ms	1152 KB	Output is correct
28	Correct	1 ms	1152 KB	Output is correct
29	Correct	1 ms	1152 KB	Output is correct
30	Correct	1 ms	1152 KB	Output is correct
31	Correct	1 ms	1152 KB	Output is correct
32	Correct	1 ms	1152 KB	Output is correct
33	Correct	1 ms	1152 KB	Output is correct
34	Correct	1 ms	1152 KB	Output is correct
35	Correct	1 ms	1152 KB	Output is correct
36	Correct	1 ms	1152 KB	Output is correct
37	Correct	1 ms	1152 KB	Output is correct
38	Correct	11 ms	1280 KB	Output is correct
39	Correct	18 ms	1280 KB	Output is correct
40	Correct	23 ms	1280 KB	Output is correct
41	Correct	11 ms	1280 KB	Output is correct
42	Correct	11 ms	1280 KB	Output is correct
43	Correct	10 ms	1280 KB	Output is correct
44	Correct	15 ms	1280 KB	Output is correct
45	Correct	11 ms	1280 KB	Output is correct
46	Correct	16 ms	1280 KB	Output is correct
47	Correct	18 ms	1280 KB	Output is correct
48	Correct	13 ms	1408 KB	Output is correct
49	Correct	12 ms	1280 KB	Output is correct
50	Correct	11 ms	1280 KB	Output is correct
51	Correct	11 ms	1280 KB	Output is correct
52	Execution timed out	2065 ms	11864 KB	Time limit exceeded
53	Halted	0 ms	0 KB	-

Submission #298508

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