QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#578569 | #9313. Make Max | sazhi | WA | 23ms | 4368kb | C++20 | 1.8kb | 2024-09-20 20:04:24 | 2024-09-20 20:04:25 |
Judging History
answer
// author: jieda
// file: cpp
//#pragma GCC optimize("O3")
#include<bits/stdc++.h>
using namespace std;
# define fi first
# define se second
# define all(x) x.begin(),x.end()
# define stst stringstream
# define pb push_back
# define pf push_front
# define pp push
# define lowbit(x) (x)&(-x)
# define fa(i,op,n) for (ll i = op; i <= n; i++)
# define fb(j,op,n) for (ll j = op; j >= n; j--)
# define fg(i,op,n) for (ll i = op; i != n; i = ne[i])
int dx[4] = {-1,0,1,0},dy[4] = {0,1,0,-1};
typedef unsigned long long ull;
typedef long long ll;
typedef pair<ll,ll> Pll;
typedef pair<int,int> PII;
typedef pair<double,double> PDD;
const ll N = 1e6+1e5+1e4,M = 1e5+10,INF = 0x3f3f3f3f,mod = 1e9+7;
const ll MOD = 212370440130137957ll;//hash(hight)
const int base = 131;
const double eps = 1e-3;
const int seed=10086,mo=1e6+7; //hash(lower)
int prime = 233317;
void solve(){
int mx = 0;
int n;cin>>n;
vector<int> a(n+2);
fa(i,1,n) cin>>a[i],mx = max(mx,a[i]);
deque<int> q;
ll ans = 0;
a[0] = a[n+1] = INF;
q.push_back(0);
for(int i = 1;i<=n;i++){
if(a[i]<=a[q.back()]){
q.push_back(i);
continue;
}
while(q.size()>1&&a[q.back()]<a[i]){
q.pop_back();
}
ans += i-q.back()-1;
// cout<<i-q.back()-1<<'\n';
q.push_back(i);
}
// cout<<ans<<'\n';
q = deque<int>();
q.push_back(n+1);
for(int i = n;i>=1;i--){
if(a[i]<a[q.back()]){
q.push_back(i);
continue;
}
while(q.size()>1&&a[q.back()]<a[i]){
q.pop_back();
}
if(a[i] != mx){
ans += q.back()-i-1;
q.push_back(i);
}
//cout<<ans<<'\n';
}
cout<<ans<<'\n';
}
int main()
{
ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
int t = 1;
cin>>t;
while(t--){
solve();
}
return 0;
}
/**/
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3608kb
input:
4 2 1 2 2 2 2 7 1 1 1 2 2 2 2 3 1 2 3
output:
1 0 3 3
result:
ok 4 number(s): "1 0 3 3"
Test #2:
score: -100
Wrong Answer
time: 23ms
memory: 4368kb
input:
2 198018 875421126 585870339 471894633 383529988 625397685 944061047 704695631 105113224 459022561 760848605 980735314 847376362 980571959 329939331 644635272 326439858 752879510 837384394 175179068 182094523 397239381 1199016 185143405 279638454 252374970 822030887 860312140 137248166 993229443 164...
output:
5907843 5215233
result:
wrong answer 1st numbers differ - expected: '4084978', found: '5907843'