Submission #966201

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
966201	2024-04-19T14:01:30 Z	happy_node	Sightseeing in Kyoto (JOI22_kyoto)	C++17	40 / 100	100 ms	128180 KB

kyoto

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
 
const int MX=4005;
int H,W;
ll dp[MX][MX];
 
int main() {
	cin.tie(0); ios_base::sync_with_stdio(0);
 
	cin>>H>>W;
	vector<ll> A(H),B(W);
	for(int i=0;i<H;i++) cin>>A[i];
	for(int i=0;i<W;i++) cin>>B[i];
 
	vector<pair<ll,ll>> a, b;
	{
		vector<bool> C(H);
		int mn=2e9;
		for(int i=0;i<H;i++) {
			if(mn>A[i]) {
				mn=A[i];
				C[i]=1;
				while(i+1<H && A[i+1]==A[i]) i++;
				C[i]=1;
			}
		}
		mn=2e9;
		for(int i=H-1;i>=0;i--) {
			if(mn>A[i]) {
				mn=A[i];
				C[i]=1;
				while(i-1>=0 && A[i-1]==A[i]) i--;
				C[i]=1;
			}
		}
		int lst=0;
		for(int i=0;i<H;i++) 
			if(C[i]) {
				a.push_back({A[i],i-lst});
				lst=i;
			}
	}
 
	{
		vector<bool> C(W);
		int mn=2e9;
		for(int i=0;i<W;i++) {
			if(mn>B[i]) {
				mn=B[i];
				C[i]=1;
				while(i+1<W && B[i+1]==B[i]) i++;
				C[i]=1;
			}
		}
		mn=2e9;
		for(int i=W-1;i>=0;i--) {
			if(mn>B[i]) {
				mn=B[i];
				C[i]=1;
				while(i-1>=0 && B[i-1]==B[i]) i--;
				C[i]=1;
			}
		}
		int lst=0;
		for(int i=0;i<W;i++) 
			if(C[i]) {
				b.push_back({B[i],i-lst});
				lst=i;
			}
	}
 
	H=a.size();
	W=b.size();

	assert(H<=4000 && W<=4000);
 
	for(int i=0;i<=H;i++) {
		for(int j=0;j<=W;j++) {
			dp[i][j]=2e18;
		}
	}
 
	dp[0][0]=0;
	for(int i=0;i<H;i++) {
		for(int j=0;j<W;j++) {
			if(i+1<H)
				dp[i+1][j]=min(dp[i+1][j],dp[i][j]+b[j].first*a[i+1].second);
			if(j+1<W)
				dp[i][j+1]=min(dp[i][j+1],dp[i][j]+a[i].first*b[j+1].second);
		}	
	}
 
	cout<<dp[H-1][W-1]<<'\n';
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	0 ms	2396 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2392 KB	Output is correct
11	Correct	1 ms	2392 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	11 ms	33424 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	7 ms	33368 KB	Output is correct
17	Correct	1 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	344 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	0 ms	2396 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	0 ms	344 KB	Output is correct

Subtask #2
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	3 ms	10844 KB	Output is correct
4	Correct	6 ms	11356 KB	Output is correct
5	Correct	7 ms	5468 KB	Output is correct
6	Correct	3 ms	2908 KB	Output is correct
7	Correct	11 ms	4696 KB	Output is correct
8	Correct	11 ms	4696 KB	Output is correct
9	Correct	12 ms	15192 KB	Output is correct
10	Correct	13 ms	15200 KB	Output is correct
11	Correct	100 ms	128180 KB	Output is correct
12	Correct	13 ms	15196 KB	Output is correct
13	Correct	13 ms	15196 KB	Output is correct
14	Correct	47 ms	97540 KB	Output is correct
15	Correct	14 ms	3040 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	352 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	2392 KB	Output is correct
22	Correct	1 ms	2400 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	352 KB	Output is correct
26	Correct	0 ms	356 KB	Output is correct

Subtask #3
0 / 60.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	0 ms	2396 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2392 KB	Output is correct
11	Correct	1 ms	2392 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	11 ms	33424 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	7 ms	33368 KB	Output is correct
17	Correct	1 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	344 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	0 ms	2396 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	0 ms	344 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	3 ms	10844 KB	Output is correct
32	Correct	6 ms	11356 KB	Output is correct
33	Correct	7 ms	5468 KB	Output is correct
34	Correct	3 ms	2908 KB	Output is correct
35	Correct	11 ms	4696 KB	Output is correct
36	Correct	11 ms	4696 KB	Output is correct
37	Correct	12 ms	15192 KB	Output is correct
38	Correct	13 ms	15200 KB	Output is correct
39	Correct	100 ms	128180 KB	Output is correct
40	Correct	13 ms	15196 KB	Output is correct
41	Correct	13 ms	15196 KB	Output is correct
42	Correct	47 ms	97540 KB	Output is correct
43	Correct	14 ms	3040 KB	Output is correct
44	Correct	1 ms	348 KB	Output is correct
45	Correct	0 ms	348 KB	Output is correct
46	Correct	0 ms	352 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	0 ms	348 KB	Output is correct
49	Correct	1 ms	2392 KB	Output is correct
50	Correct	1 ms	2400 KB	Output is correct
51	Correct	0 ms	348 KB	Output is correct
52	Correct	0 ms	348 KB	Output is correct
53	Correct	0 ms	352 KB	Output is correct
54	Correct	0 ms	356 KB	Output is correct
55	Correct	8 ms	4200 KB	Output is correct
56	Correct	1 ms	2404 KB	Output is correct
57	Correct	2 ms	6760 KB	Output is correct
58	Correct	3 ms	9156 KB	Output is correct
59	Correct	16 ms	5984 KB	Output is correct
60	Correct	17 ms	5992 KB	Output is correct
61	Correct	17 ms	16228 KB	Output is correct
62	Correct	19 ms	18280 KB	Output is correct
63	Runtime error	27 ms	12276 KB	Execution killed with signal 6
64	Halted	0 ms	0 KB	-

Submission #966201

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 30.0 / 30.0

Subtask #3 0 / 60.0

Subtask #1
10.0 / 10.0

Subtask #2
30.0 / 30.0

Subtask #3
0 / 60.0