Submission #982863

#	Time	Username	Problem	Language	Result	Execution time	Memory
982863		mariaclara	Meetings (IOI18_meetings)	C++17	19 / 100	5562 ms	6748 KiB

meetings

#include "meetings.h"
#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;
const int MAXN = 4e5+5; 
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
#define mk make_pair
#define pb push_back
#define fr first
#define sc second

vector<ll> minimum_costs(vector<int> H, vector<int> L, vector<int> R) {
    int N = sz(H), Q = sz(L);
    if(N <= 5000 and Q <= 5000) {
        vector<ll> ans(Q,1e15), p(N);
        vector<int> v(N);

        for(int i = 0; i < N; i++) {
            v[i] = H[i];

            for(int j = i-1; j >= 0; j--)
                v[j] = max(v[j+1], H[j]);
            for(int j = i+1; j < N; j++)
                v[j] = max(v[j-1], H[j]);
            
            p[0] = v[0];
            for(int j = 1; j < N; j++) p[j] = p[j-1] + v[j];

            for(int j = 0; j < Q; j++)
                ans[j] = min(ans[j], p[R[j]] - p[L[j]] + v[L[j]]);
        }

        return ans;
    }
}

Compilation message (stderr)

meetings.cpp: In function 'std::vector<long long int> minimum_costs(std::vector<int>, std::vector<int>, std::vector<int>)':
meetings.cpp:39:1: warning: control reaches end of non-void function [-Wreturn-type]
   39 | }
      | ^

• Subtask 1: 4 / 4
• Subtask 2: 15 / 15
• Subtask 3: 0 / 17
• Subtask 4: 0 / 24
• Subtask 5: 0 / 40