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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#655098 | #9313. Make Max | grey_wolf | WA | 26ms | 5088kb | C++20 | 2.0kb | 2024-10-19 00:31:02 | 2024-10-19 00:31:04 |
Judging History
answer
// بِسْمِ ٱللَّٰهِ ٱلرَّحْمَٰنِ ٱلرَّحِيمِ
// In the Name of Allah, the Beneficent, the Merciful.
#include <bits/stdc++.h>
using namespace std;
// using namespace __gnu_pbds;
// template <typename T>
// using o_set = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;
#define vi vector<int>
#define vl vector<long long>
#define vecp vector<pair<int, int>>
#define ll long long
#define ull unsigned long long
#define F first
#define S second
#define pii pair<int, int>
#define inv(a) for(auto &it : a) cin >> it;
#define outv(a) for(auto &it : a) cout << it << " "; cout << "\n"
#define outv1(a) for(auto &it : a) cout << it << endl
#define pb push_back
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define yes cout << "YES\n"
#define no cout << "NO\n"
#define inf 1e18
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define int long long
void solve(int tc) {
int n;
cin>>n;
vl v(n);
inv(v);
stack<int> s;
int ans = 0;
for (int i = 0; i < n; i++)
{
while(!s.empty() && v[s.top()]<v[i]) s.pop();
if(s.empty()) ans+=i;
else {
if(v[s.top()]>v[i])
ans+=i-s.top();
}
s.push(i);
}
reverse(all(v));
while(!s.empty()) s.pop();
int ans1 = 0;
for (int i = 0; i < n; i++)
{
while(!s.empty() && v[s.top()]<v[i]) s.pop();
if(s.empty()) ans1+=i;
else {
if(v[s.top()]>v[i])
ans1+=i-s.top();
}
s.push(i);
}
cout<<max(ans1, ans)<<endl;
}
int32_t main() {
fastio;
// #ifndef ONLINE_JUDGE
// freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);
// #endif
int Tc=1;
cin>>Tc;
for (int T = 1; T <= Tc; T++)
{
solve(T);
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3580kb
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: 26ms
memory: 5088kb
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:
2267931 2411149
result:
wrong answer 1st numbers differ - expected: '4084978', found: '2267931'