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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#578751#9315. Rainbow Bracket Sequencek1ritoWA 0ms13888kbC++142.4kb2024-09-20 21:08:032024-09-20 21:08:07

Judging History

你现在查看的是最新测评结果

  • [2024-09-20 21:08:07]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:13888kb
  • [2024-09-20 21:08:03]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define in inline
#define int long long
const int N=111000;
const int M=111000; 
const int inf=9876543231234;
int q[N],n,m,s,t,tot=1,pre[N],vis[N],incf[N],maxflow,mincost,first[N],nxt[M],to[M],w[M],dis[N],now[N],val[M];
int T,num[N],li[N],col[N];
in void add(int a,int b,int c,int d)
{
	nxt[++tot]=first[a];
	first[a]=tot;
	to[tot]=b;
	w[tot]=c;
	val[tot]=d;
}
in bool spfa()
{
	for(int i=s;i<=t;i++) dis[i]=inf,vis[i]=0;
	dis[t]=inf;vis[t]=0;
	int l=1,r=0;
	q[++r]=s;
	dis[s]=0;vis[s]=1;
	incf[s]=inf;
	while(l<=r)
	{
		int u=q[l++];
		vis[u]=0;
		for(int i=first[u];i;i=nxt[i])
		{
			int v=to[i];
			if(!w[i]) continue;
			if(dis[v]>dis[u]+val[i])
			{
				dis[v]=dis[u]+val[i];
				incf[v]=min(incf[u],w[i]);
				pre[v]=i;
				if(!vis[v])
				{
					vis[v]=1;
					q[++r]=v;
				}
			}
		}
	}
	if(dis[t]==inf) return false;
	return true;
}
void MCMF()
{
	while(spfa())
	{
		int u=t;
		maxflow+=incf[t];
		mincost+=dis[t]*incf[t];
		while(u!=s)
		{
			int i=pre[u];
			w[i]-=incf[t];
			w[i^1]+=incf[t];
			u=to[i^1];
		}
	}
}
void init()
{
    tot=1;
    for(int i=s;i<=t;i++)
    {
        first[i]=num[i]=incf[i]=0;
    }
}
signed main()
{
	std::ios::sync_with_stdio(false);
	cin.tie(0);cout.tie(0);
    cin>>T;
    while(T--)
    {
        int sum=0,flag=0;
        cin>>n>>m;
        s=0,t=2*n+m+1;
        init();
        for(int i=1;i<=m;i++) cin>>li[i];
        for(int i=1;i<=2*n;i++)
        {
            cin>>col[i];
            num[col[i]]++;
        }
        for(int i=1;i<=2*n;i++)
        {
            int v;
            cin>>v;
            sum+=v;
            add(2*n+col[i],i,1,v);
            add(i,2*n+col[i],0,-v);
        }
        for(int i=1;i<=m;i++)
        {
            if(num[i]<li[i])
            {
                flag=1;
                break;
            }
            add(s,2*n+i,num[i]-li[i],0);
            add(2*n+i,s,0,0);
        }
        if(flag)
        {
            cout<<-1<<'\n';
            continue;
        }
        for(int i=1;i<=2*n;i++)
        {
            if(i==2*n)
            {
                add(i,t,i/2,0);
                add(t,i,0,0);
            }
            add(i,i+1,i/2,0);
            add(i+1,i,0,0);
        }
        MCMF();
        if(maxflow!=n) cout<<-1<<"\n";
        else cout<<sum-mincost<<"\n";

    }
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 13884kb

input:

2
3 2
1 2
1 2 2 2 1 2
3 1 4 2 2 1
3 2
2 2
1 2 2 2 1 2
3 1 4 2 2 1

output:

9
-1

result:

ok 2 number(s): "9 -1"

Test #2:

score: -100
Wrong Answer
time: 0ms
memory: 13888kb

input:

50
8 6
0 2 2 0 3 1
3 5 1 1 5 3 5 2 3 2 2 1 2 2 4 6
998133227 879226371 59632864 356493387 62611196 827258251 296576565 204244054 812713672 780267148 614679390 447700005 102067050 544546349 116002772 761999375
1 1
1
1 1
343766215 374461155
3 1
2
1 1 1 1 1 1
796323508 303640854 701432076 853325162 610...

output:

-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

result:

wrong answer 2nd numbers differ - expected: '343766215', found: '-1'