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QOJ
ID | Submission ID | Problem | Hacker | Owner | Result | Submit time | Judge time |
---|---|---|---|---|---|---|---|
#827 | #565048 | #9313. Make Max | kirco | miku_HY | Failed. | 2024-09-17 15:31:13 | 2024-09-17 15:31:14 |
Details
Extra Test:
Accepted
time: 1ms
memory: 5688kb
input:
1 10 1 1 4 3 4 5 3 3 2 4
output:
16
result:
ok 1 number(s): "16"
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#565048 | #9313. Make Max | miku_HY | AC ✓ | 519ms | 43808kb | C++20 | 1.4kb | 2024-09-15 20:02:06 | 2024-09-18 15:56:25 |
answer
#include<bits/stdc++.h>
#define pb push_back
#define x first
#define y second
#define endl '\n'
using namespace std;
using ll =long long;
using pll=pair<ll,ll>;
const int mod=998244353;
ll ksm(ll a,ll b){
ll ans=1;
while(b){
if(b&1){
ans=(ans*a)%mod;
}
a=a*a%mod;
b>>=1;
}
return ans;
}
ll gcd(ll a,ll b){
ll t=a%b;
while(t){
a=b;b=t;t=a%b;
}
return b;
}
ll lcm(ll a,ll b){
return a/gcd(a,b)*b;
}
ll get_inv(ll x){
return ksm(x,mod-2);
}
const int N=5e5+10;
bool cmp(pair<ll,string>a,pair<ll,string>b){
if(a.x==b.x)return a.y<b.y;
return a.x>b.x;
}
ll a[N];
ll b[N];
void solve(){
ll n;
cin>>n;
map<ll,ll>mp;
ll idx=0;
for(int i=1;i<=n;i++){
cin>>a[i];b[i]=a[i];
}
sort(b+1,b+1+n);
for(int i=1;i<=n;i++){
if(!mp[b[i]])mp[b[i]]=++idx;
}
for(int i=1;i<=n;i++){
a[i]=mp[a[i]];
}
vector<vector<ll>>w(idx+1);
for(int i=1;i<=n;i++){
w[a[i]].pb(i);
}
set<ll>st;st.insert(0);
st.insert(n+1);
ll ans=0;
for(int i=idx;i>=1;i--){
ll mx=0;
for(auto x:w[i]){
auto t=st.lower_bound(x);
t--;
if(x<=mx){
ans--;continue;
}
ans+=x-1ll-*t;
t=st.upper_bound(x);
ans+=*t-x-1ll;
mx=max(mx,*t);
}
for(auto x:w[i])st.insert(x);
}
cout<<ans<<endl;
}
int main(){
ios::sync_with_stdio(false);cin.tie(0);
int _=1;
cin>>_;
while(_--)solve();
return 0;
}