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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#528642#323. HillsNevll0 0ms4100kbC++141.7kb2024-08-23 18:15:012024-08-23 18:15:04

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你现在查看的是最新测评结果

  • [2024-08-23 18:15:04]
  • 评测
  • 测评结果:0
  • 用时:0ms
  • 内存:4100kb
  • [2024-08-23 18:15:01]
  • 提交

answer

# include <bits/stdc++.h>
# define ll long long
# define fi first
# define se second
# define pii pair<int, int>
using namespace std;

ll dp[3][5001][2];

int main() {
	int N;
	scanf("%d", &N);
	vector<ll> arr(N + 2);
	for(int i=1;i<=N;i++) scanf("%lld", &arr[i]);
	arr[0] = arr[N + 1] = -1;

	for(int i=0;i<=N;i++) {
		for(int k=0;k<3;k++) {
			for(int c=0;c<2;c++) {
				dp[k][i][c] = 1e18;
			}
		}
	}
	dp[2][0][0] = 0ll;
	for(int i=1;i<=N+1;i++) {
		for(int c=0;c<=N;c++) {
			for(int d=0;d<2;d++) {
				dp[0][c][d] = dp[1][c][d];
				dp[1][c][d] = dp[2][c][d];
				dp[2][c][d] = 1e18;
			}
		}
		for(int c=0;c<=N;c++) {
			for(int d=0;d<2;d++) {
				dp[2][c][d] = min(dp[2][c][d], min(dp[1][c][0], dp[1][c][1]));
			}
		}
		if(i >= 2) {
			for(int c=0;c<N;c++) {
				if(dp[0][c][0] != 1e18) {
					ll val = max(0ll, arr[i - 2] - arr[i - 1] + 1ll);
					ll val1 = max(0ll, arr[i] - arr[i - 1] + 1ll);
					if(val1 > 0ll) dp[2][c + 1][1] = min(dp[2][c + 1][1], val + val1 + dp[0][c][0]);
					else dp[2][c + 1][1] = min(dp[2][c + 1][1], val + val1 + dp[0][c][0]);
				} 
				if(dp[0][c][1] != 1e18) {
					
					ll val = max(0ll, arr[i - 3] - arr[i - 1]);
					ll val1 = max(0ll, arr[i] - arr[i - 1] + 1ll);
				//	if(c == 1) cout<<"there "<<c<<" "<<i<<" "<<val<<" "<<val1<<endl;
					if(val1 > 0ll) dp[2][c + 1][1] = min(dp[2][c + 1][1], val + val1 + dp[0][c][1]);
					else dp[2][c + 1][1] = min(dp[2][c + 1][1], val + val1 + dp[0][c][1]);

				//	cout<<c + 1<<" "<<dp[2][c + 1][1]<<endl;
				}
			}
		}
	//	cout<<"dp : "<<dp[2][1][1]<<" "<<dp[2][2][0]<<endl;
	}
	for(int i=1;i<=(N + 1)/2;i++) printf("%lld ", min(dp[2][i][0], dp[2][i][1]));
	printf("\n");
}

详细

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 7
Accepted
time: 0ms
memory: 4100kb

input:

3
1 2 4

output:

0 2 

result:

ok 2 number(s): "0 2"

Test #2:

score: 7
Accepted
time: 0ms
memory: 3824kb

input:

3
3 2 1

output:

0 2 

result:

ok 2 number(s): "0 2"

Test #3:

score: 7
Accepted
time: 0ms
memory: 3772kb

input:

3
1 2 1

output:

0 2 

result:

ok 2 number(s): "0 2"

Test #4:

score: 0
Wrong Answer
time: 0ms
memory: 3844kb

input:

3
3 3 3

output:

0 1 

result:

wrong answer 1st numbers differ - expected: '1', found: '0'

Subtask #2:

score: 0
Skipped

Dependency #1:

0%

Subtask #3:

score: 0
Skipped

Dependency #1:

0%

Subtask #4:

score: 0
Skipped

Dependency #1:

0%

Subtask #5:

score: 0
Skipped

Dependency #1:

0%

Subtask #6:

score: 0
Skipped

Dependency #1:

0%