QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#755824 | #7787. Maximum Rating | weiqianping | WA | 1ms | 5752kb | C++14 | 1.8kb | 2024-11-16 18:07:47 | 2024-11-16 18:07:47 |
Judging History
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: 0ms
memory: 3640kb
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: 3580kb
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: 5544kb
input:
1 1 1000000000 1 1000000000
output:
1
result:
ok 1 number(s): "1"
Test #4:
score: 0
Accepted
time: 1ms
memory: 5752kb
input:
1 1 -1000000000 1 -1000000000
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: -100
Wrong Answer
time: 0ms
memory: 3716kb
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'