QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#755883 | #7787. Maximum Rating | weiqianping | WA | 1ms | 5744kb | C++14 | 1.8kb | 2024-11-16 18:17:52 | 2024-11-16 18:17:53 |
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: 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'