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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
#810748#127. Card Game Strategycdx123456WA 47ms961000kbC++141.2kb2024-12-12 10:28:432024-12-12 10:28:43

Judging History

This is a historical verdict posted at 2024-12-12 10:28:43.

  • [2024-12-16 16:52:13]
  • 管理员手动重测本题所有提交记录
  • Verdict: WA
  • Time: 59ms
  • Memory: 961176kb
  • [2024-12-12 10:28:43]
  • Judged
  • Verdict: 0
  • Time: 47ms
  • Memory: 961000kb
  • [2024-12-12 10:28:43]
  • Submitted

answer

#include<bits/stdc++.h>
using namespace std;
int n,tot,K,A,B,maxx=-1e9,f,id,V=2e5,g[610][400010],pre[610][400010],a[200010],b[610];
bitset<200000> dp[610];
int main(){
	cin>>n>>K>>A>>B;
	dp[0][0]=1;
	for(int i=1;i<=n;i++){
		cin>>b[i];
		for(int j=1;j<=K;j++) dp[j]|=dp[j-1]<<b[i];
	}
	for(int j=0;j<=200000;j++) if(dp[K][j]) a[++tot]=j;
	a[0]=-1e9;
	a[tot+1]=1e9;
	for(int j=A;j<=B;j++){
		int x=upper_bound(a+1,a+tot+1,j)-a-1,y=lower_bound(a+1,a+tot+1,j)-a;
		int z=min(j-a[x],a[y]-j);
		if(z>maxx){
			maxx=z;
			id=j;
			if(j-a[x]<=a[y]-j) f=0;
			else f=1;
		}
	}
	cout<<id<<endl;
	if(f){
		for(int i=1;i<=n;i++) b[i]=-b[i];
		id=-id;
	}
	memset(g,192,sizeof(g));
	g[0][V]=0;
	for(int i=1;i<=n;i++){
		for(int j=id;j>=b[i];j--){
			for(int k=1;k<=K;k++){
				if(g[k-1][j-b[i]+V]+b[i]>g[k][j+V]){
					g[k][j+V]=g[k-1][j-b[i]+V]+b[i];
					pre[k][j+V]=i;
				}	
			}
		}
	}
	int x=id,y=K;
	for(int i=id;i>=0;i--){
		if(g[K][i+V]<0) continue;
		x=i;
		break;
	}
	stack<int> s;
	while(x){
		s.push(pre[y][x+200000]);
		x=x-b[pre[y][x+200000]];
		y--;
	}
	while(!s.empty()){
		cout<<s.top()<<' ';
		s.pop();
	}
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 47ms
memory: 961000kb

input:

9 6 11 86
4 10 14 11 3 11 3 9 0

output:

86
1 2 3 4 6 8 

result:

ok 2 lines

Test #2:

score: 0
Accepted
time: 40ms
memory: 960160kb

input:

10 1 0 28
0 0 8 15 13 14 6 4 0 3

output:

28
4 

result:

ok 2 lines

Test #3:

score: -100
Wrong Answer
time: 20ms
memory: 960144kb

input:

10 6 43 44
5 1 13 15 14 11 7 11 6 1

output:

43
1 2 3 6 7 9 

result:

wrong answer 2nd lines differ - expected: '1 2 5 6 8 10', found: '1 2 3 6 7 9 '