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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#423177 | #6540. Beautiful Sequence | crazy_sea | WA | 1ms | 6004kb | C++14 | 782b | 2024-05-27 21:24:38 | 2024-05-27 21:24:39 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N=3e5+10;
int T,n,a[N],t[N],b[N],w,ans,flag;
void add(int x)
{
t[x]++;
w=min(w,x);
}
int main()
{
scanf("%d",&T);
while(T--)
{
scanf("%d",&n);
for(int i=1;i<=n;i++) scanf("%d",&a[i]);
sort(a+1,a+n+1);
for(int i=1;i<=n;i++) a[i]=a[i-1]+(i==1||a[i]!=a[i-1]);
for(int i=1;i<=n;i++) b[a[i]]++;
ans=n-a[n]+1,w=n+1,flag=0;
for(int i=1;i<a[n];i++)
{
if(flag) add(b[i]),flag=0;
else if(b[i]<=w)
{
if(b[i]==1) flag=1,ans++;
else add(b[i]-1);
}
else
{
t[w]--;
add(b[i]);
if(w==1)
{
while(!t[w]) w++;
ans++,flag=1;
}
else t[--w]++;
}
}
for(int i=0;i<=n;i++) t[i]=a[i]=b[i]=0;
printf("%d\n",ans-flag);
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3900kb
input:
2 6 1 1 2 3 3 4 5 1 2 2 3 3
output:
4 4
result:
ok 2 number(s): "4 4"
Test #2:
score: -100
Wrong Answer
time: 1ms
memory: 6004kb
input:
2 5 1 2 2 3 3 20 1 1 1 1 1 1 4 5 8 8 8 8 9 9 9 9 10 10 10 10
output:
4 15
result:
wrong answer 2nd numbers differ - expected: '17', found: '15'