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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#755883#7787. Maximum RatingweiqianpingWA 1ms5744kbC++141.8kb2024-11-16 18:17:522024-11-16 18:17:53

Judging History

你现在查看的是最新测评结果

  • [2024-11-16 18:17:53]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:5744kb
  • [2024-11-16 18:17:52]
  • 提交

answer

#include<bits/stdc++.h>
#define ll long long int
using namespace std;
const ll MAX=2e5+5;
ll n,q,a[MAX],x,v,sumf=0,sumz=0,sumt=0,t=0,f[MAX],z=0;
priority_queue<pair<ll,ll> > pq;
priority_queue<pair<ll,ll>,vector<pair<ll,ll> >,greater<pair<ll,ll> > > pqq;
map<ll,ll> mp,mpp;
int main()
{
	cin>>n>>q;
	for(int i=1;i<=n;++i)
	{
		cin>>a[i];
		if(a[i]>0)
		{
			sumz+=a[i];
			pq.push({a[i],i});
			f[i]=1;
			mp[a[i]]++;
			z++;
		}
		else
		{
			sumf+=a[i];
		}
	}
	for(int i=1;i<=q;++i)
	{
		cin>>x>>v;
		if(a[x]>0)//z
		{
			if(v>0)//z->z
			{
				if(f[x])//zin
				{
					sumz-=a[x];
					sumz+=v;
					mp[a[x]]--;
					mp[v]++;
					pq.push({v,x});
					a[x]=v;
				}
				else
				{
					sumz-=a[x];
					sumz+=v;
					sumt-=a[x];
					sumt+=v;
					mpp[a[x]]--;
					mpp[v]++;
					pqq.push({v,x});
					a[x]=v;
				}
			}
			else//z->f
			{
				if(f[x])//zin
				{
					sumz-=a[x];
					sumf+=v;
					z--;
					mp[a[x]]--;
					a[x]=v;
					f[x]=0;
				}
				else
				{
					sumz-=a[x];
					sumf+=v;
					z--;
					sumt-=a[x];
					mpp[a[x]]--;
					t--;
					a[x]=v;
				}
			}
		}
		else//f
		{
			if(v>0)//f->z
			{
				sumf-=a[x];
				sumz+=v;
				z++;
				mp[v]++;
				pq.push({v,x});
				f[x]=1;
				a[x]=v;
			}
			else//f->f
			{
				sumf-=a[x];
				sumf+=v;
			}
		}
		while(!pq.empty() && sumz-sumt>abs(sumf))//
		{
			v=pq.top().first;
			x=pq.top().second;
			pq.pop();
			if(mp[v])
			{
				f[x]=0;
				mp[v]--;
				sumt+=v;
				t++;
				mpp[v]++;
				pqq.push({v,x});
			}
		}
		while(!pqq.empty() && sumz-sumt+pqq.top().first<=abs(sumf))
		{
			v=pqq.top().first;
			x=pqq.top().second;
			pqq.pop();
			if(mpp[v])
			{
				sumt-=v;
				t--;
				mpp[v]--;
				pq.push({v,x});
				f[x]=1;
				mp[v]++;
			}
		}
		cout<<z-t+1<<endl;
	}
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 5700kb

input:

3 5
1 2 3
3 4
2 -2
1 -3
3 1
2 1

output:

1
2
2
2
3

result:

ok 5 number(s): "1 2 2 2 3"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3704kb

input:

3 5
1 2 3
3 4
2 -2
1 3
3 1
2 1

output:

1
2
1
2
1

result:

ok 5 number(s): "1 2 1 2 1"

Test #3:

score: 0
Accepted
time: 1ms
memory: 5572kb

input:

1 1
1000000000
1 1000000000

output:

1

result:

ok 1 number(s): "1"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3520kb

input:

1 1
-1000000000
1 -1000000000

output:

1

result:

ok 1 number(s): "1"

Test #5:

score: -100
Wrong Answer
time: 0ms
memory: 5744kb

input:

1000 1000
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 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 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 ...

output:

946
65
631
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000...

result:

wrong answer 3rd numbers differ - expected: '252', found: '631'