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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#576294 | #9313. Make Max | sushaying | WA | 26ms | 13444kb | C++17 | 1.2kb | 2024-09-19 19:49:45 | 2024-09-19 19:49:46 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
using u64 = unsigned long long;
#define int long long
constexpr int N = 3e5 + 10;
constexpr int mod = 1e9 + 7;
constexpr int inf = 0x3f3f3f3f;
constexpr i64 infll = 0x3f3f3f3f3f3f3f3f;
#define debug(x) std::cerr << #x << " = " << x << std::endl
int a[N],l[N],r[N],stk1[N],stk2[N];
void solve(){
int n;
cin>>n;
stk2[0]=n+1;stk1[0]=0;
for(int i=1;i<=n;i++)
{
cin>>a[i];
}
int ed1=0,ed2=0;
for(int i=1;i<=n;i++)
{
while(ed1&&a[i]>a[stk1[ed1]])
{
ed1--;
}
l[i] = stk1[ed1] + 1;
stk1[++ed1]=i;
}
for(int i=n;i>=1;i--)
{
if(ed2&&a[i]>a[stk2[ed2]])
{
ed2--;
}
r[i] = stk2[ed2] - 1;
if(a[r[i] + 1] == a[i])
r[i] = i;
stk2[++ed2]=i;
}
i64 ans = 0;
for(int i=1;i<=n;i++) ans+=r[i]-l[i];
cout<<ans<<'\n';
}
signed main(){
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
std::cout.tie(nullptr);
int t = 1;
std::cin >> t;
while(t--){
solve();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 11864kb
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: 13444kb
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:
2211779 2046598
result:
wrong answer 1st numbers differ - expected: '4084978', found: '2211779'