QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #443719 | #6540. Beautiful Sequence | zwh2008 | WA | 1ms | 5752kb | C++14 | 667b | 2024-06-15 16:21:21 | 2024-06-15 16:21:28 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
using ll=long long;
using pi=pair<int,int>;
#define fi first
#define se second
const int N=3e5+5;
int n,m,a[N],b[N],f[N];
void solve() {
cin>>n,m=0;
for(int i=1;i<=n;i++)cin>>a[i],b[i]=0;
sort(a+1,a+n+1);
for(int i=1;i<=n;i++)m+=a[i]!=a[i-1],b[m]++;
for(int i=0;i<=m;i++)f[i]=-2e9;
for(int i=1;i<=m;i++)b[i]-=m-i-1;
int t=0;f[0]=0;
for(int i=m-1;i;i--) {
for(int j=t;~j;j--) {
if(f[j]>=b[i])f[j+1]=max(f[j+1],f[j]-b[i]-1);
}t+=(f[t+1]!=-2e9);
}cout<<n-m+1+t<<'\n';
}
int main() {
ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
int tt;cin>>tt;
while(tt--)solve();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3636kb
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: 0
Accepted
time: 0ms
memory: 5752kb
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 17
result:
ok 2 number(s): "4 17"
Test #3:
score: -100
Wrong Answer
time: 1ms
memory: 5680kb
input:
300 14 1 1 1 2 2 2 3 3 3 4 5 5 6 6 14 1 1 1 2 2 3 3 4 4 5 5 6 7 7 14 1 1 2 2 3 4 4 4 5 5 5 6 6 6 14 1 1 2 2 3 3 3 4 5 5 5 6 6 6 14 1 1 1 1 1 1 2 2 2 2 2 3 3 3 14 1 1 1 1 1 1 1 1 1 1 1 1 1 1 14 1 2 2 3 4 5 5 6 6 6 7 8 8 8 14 1 2 2 2 2 2 3 4 5 6 7 8 9 10 14 1 2 2 3 4 4 4 5 6 6 6 6 6 7 14 1 1 2 2 2 3 3...
output:
11 12 12 12 12 14 12 13 12 11 12 13 12 12 11 11 11 13 12 12 12 12 12 12 11 13 12 12 12 11 12 12 11 11 12 12 11 13 10 13 12 11 12 12 11 12 12 13 11 12 11 13 12 12 13 12 11 11 13 12 12 13 11 11 12 12 12 11 12 11 13 11 13 13 12 12 13 12 11 13 12 11 13 12 12 11 11 12 11 12 12 13 11 13 12 12 12 12 12 12 ...
result:
wrong answer 1st numbers differ - expected: '10', found: '11'