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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
#670437#7067. The Great WallSoestxWA 1ms4012kbC++231.2kb2024-10-23 21:43:192024-10-23 21:43:19

Judging History

你现在查看的是最新测评结果

  • [2024-10-23 21:43:19]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:4012kb
  • [2024-10-23 21:43:19]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
//#define int long long
#define pll pair<int,int>
#define fi first
#define se second
typedef long long LL;
typedef unsigned long long ull;
int n, m, k;
const int N = 1e4 + 10, M = 1e7 + 10, mod = 998244353;
const double eps = 1e-6, inf = 1e8;

int dp[2][N][4];
int num[N];
void solve() {
	cin>>n;
	for(int i=1;i<=n;i++) cin>>num[i];
	memset(dp,-0x3f,sizeof dp);
	dp[1][0][3]=0;
	int idx=1;
	for(int i=1;i<=n;i++)
	{
		idx^=1;
		for(int j=1;j<=i;j++)
		{
			dp[idx][j][0]=dp[idx^1][j-1][3];
			dp[idx][j][1]=dp[idx^1][j-1][3]-num[i];
			dp[idx][j][2]=dp[idx^1][j-1][3]+num[i];
			dp[idx][i][3]=dp[idx^1][j-1][3];
			
			dp[idx][j][0]=max(dp[idx][j][0],dp[idx^1][j][0]);
			dp[idx][j][1]=max({dp[idx][j][1],dp[idx^1][j][1],dp[idx^1][j][0]-num[i]});
			dp[idx][j][2]=max({dp[idx][j][2],dp[idx^1][j][2],dp[idx^1][j][0]+num[i]});
			dp[idx][j][3]=max({dp[idx][j][3],dp[idx^1][j][3],dp[idx^1][j][1]+num[i],dp[idx^1][j][2]-num[i]});
		}
	}
	for(int i=1;i<=n;i++) cout<<dp[idx][i][3]<<endl;
}

signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int T = 1;
	//cin>>T;
	while (T--) {
		solve();
	}
	return 0;
}
/*
*/

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 3980kb

input:

5
1 2 3 4 5

output:

4
3
2
1
0

result:

ok 5 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 4012kb

input:

5
1 2 1 2 1

output:

1
2
2
1
0

result:

ok 5 lines

Test #3:

score: -100
Wrong Answer
time: 0ms
memory: 3952kb

input:

6
1 1 4 5 1 4

output:

4
7
7
4
3
0

result:

wrong answer 4th lines differ - expected: '7', found: '4'