Submission #1172749

#	Time	Username	Problem	Language	Result	Execution time	Memory
1172749		anmattroi	Meetings (IOI18_meetings)	C++17	Compilation error	0 ms	0 KiB

meetings

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

using namespace std;

vector<long long> minimum_costs(vector<int> H, vector<int> L, vector<int> R) {
    int N = H.size(), Q = L.size();
    vector<vector<int64_t> > ansL(N, vector<int64_t>(N, 0)),
                             ansR(N, vector<int64_t>(N, 0));

    for (int i = 0; i < N; i++) {
        ansL[i][i] = H[i]; int mx = H[i];
        for (int j = i-1; j >= 0; j--) {
            mx = max(mx, H[j]);
            ansL[i][j] = ansL[i][j+1] + mx;
        }
    }
    for (int i = N-1; i >= 0; i--) {
        ansR[i][i] = H[i]; int mx = H[i];
        for (int j = i+1; j < N; j++) {
            mx = max(mx, H[j]);
            ansR[i][j] = ansR[i][j-1] + mx;
        }
    }
    vector<int64_t> ans;
    for (int i = 0; i < Q; i++) {
        int l = L[i], r = R[i];
        int64_t ds = LLONG_MAX;
        for (int j = l; j <= r; j++) ds = min(ds, ansL[j][l] + ansR[j][r] - H[j]);
        ans.emplace_back(ds);
    }
    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:32:12: error: could not convert 'ans' from 'vector<long int>' to 'vector<long long int>'
   32 |     return ans;
      |            ^~~
      |            |
      |            vector<long int>