| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 601664 | Mazaalai | Meetings (IOI18_meetings) | C++17 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "meetings.h"
#include <bits/stdc++.h>
#define sz(x) (int)x.size()
#define ALL(x) x.begin(), x.end()
#define chmax(a, b) a=max(a,b)
#define chmin(a, b) a=min(a,b)
#define pb push_back
#define ff first
#define ss second
using namespace std;
using ll = long long;
using VI = vector <int>;
using PII = pair <int, int>;
int n, m, q;
const int N = 4e5;
vector<long long> ans;
ll dp[N][N];
vector<long long> minimum_costs(vector<int> h, vector<int> L, vector<int> R) {
n = sz(h);
q = sz(L);
ans.reserve(q);
for (int i = 0; i < n; i++) {
for (int j = i, cur = 0; j < n; j++) {
cur = chmax(cur, h[j]);
dp[i][j] = cur;
if (j > i) dp[i][j] += dp[i][j-1];
}
for (int j = i, cur = 0; j >= 0; j--) {
cur = chmax(cur, h[j]);
dp[i][j] = cur;
if (j < i) dp[i][j] += dp[i][j+1];
}
}
for (int i = 0; i < q; i++) {
int l = L[i], r = R[i];
ll res = 1e18;
for (int mid = l; mid <= r; mid++) {
chmin(res, dp[mid][l]+dp[mid][r]-h[mid]);
}
ans.pb(res);
}
return ans;
}