| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 689785 | zeroesandones | Pilot (NOI19_pilot) | C++17 | 368 ms | 52204 KiB |
이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef long double ld;
typedef vector<ll> vi;
typedef pair<ll, ll> pi;
#define FOR(i, j, k) for (ll i = j; i < (ll) k; ++i)
#define FORD(i, j, k) for (ll i = j; i >= (ll) k; --i)
#define nl "\n"
#define sp " "
#define all(x) (x).begin(), (x).end()
#define sc second
#define fr first
#define pb emplace_back
ll c2(ll x) {
return (x * (x - 1)) / 2;
}
void solve()
{
ll n, q;
cin >> n >> q;
ll a[n + 2] = {};
FOR(i, 1, n + 1) {
cin >> a[i];
}
stack<ll> st;
st.push(0);
a[0] = 1e15;
ll l[n + 1], r[n + 1];
FOR(i, 1, n + 1) {
while(a[st.top()] < a[i])
st.pop();
l[i] = st.top();
st.push(i);
}
while(!st.empty()) st.pop();
st.push(n + 1);
a[n + 1] = 1e15;
FORD(i, n, 1) {
while(a[st.top()] <= a[i])
st.pop();
r[i] = st.top();
st.push(i);
}
ll total[(ll) 1e6 + 6] = {};
FOR(i, 1, n + 1) {
total[a[i]] += (i - l[i]) * (r[i] - i);
}
FOR(i, 1, ((ll) 1e6 + 6)) {
total[i] += total[i - 1];
}
while(q--) {
ll x;
cin >> x;
cout << total[x] << nl;
}
}
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
ll t = 1;
// cin >> t;
while (t--)
{
solve();
}
}
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