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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#566952 | #9313. Make Max | Kidding_Ma | WA | 0ms | 3520kb | C++17 | 1.1kb | 2024-09-16 04:10:56 | 2024-09-16 04:10:56 |
Judging History
answer
#include "bits/stdc++.h"
using namespace std;
using i64 = int64_t;
void solve() {
int n;
cin >> n;
vector<int> a(n);
for (int i = 0; i < n; i++) {
cin >> a[i];
}
list<int> l;
priority_queue<pair<int, int>> q;
vector<int> cnt(n, 1);
vector<list<int>::iterator> d(n);
for (int i = 0; i < n; i++) {
q.emplace(a[i], i);
l.push_back(i);
d[i] = prev(l.end());
}
int ans = 0;
while (!q.empty() && l.size() > 1) {
auto [ai, i] = q.top();
q.pop();
auto it = d[i];
int j;
if (it == prev(l.end())) {
j = *prev(it);
} else if (it == l.begin()) {
j = *next(it);
} else {
j = (a[*prev(it)] < a[*next(it)] ? *prev(it) : *next(it));
}
cnt[j] += cnt[i];
if (a[j] != ai) {
ans += cnt[i];
}
l.erase(it);
}
cout << ans << '\n';
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t;
cin >> t;
while (t--) {
solve();
}
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3520kb
input:
4 2 1 2 2 2 2 7 1 1 1 2 2 2 2 3 1 2 3
output:
1 0 4 3
result:
wrong answer 3rd numbers differ - expected: '3', found: '4'