Submission #1244397

#	Time	Username	Problem	Language	Result	Execution time	Memory
1244397		SpyrosAliv	Shortcut (IOI16_shortcut)	C++20	31 / 100	2093 ms	416 KiB

shortcut

#include "shortcut.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long

const ll INF = 1e17;

long long find_shortcut(int n, std::vector<int> len, std::vector<int> d, int c) {
    vector<ll> ps(n);
    ps[0] = 0;
    for (int i = 1; i < n; i++) {
        ps[i] = ps[i-1] + len[i-1];
    }
    ll ans = INF;
    int al = 0, ar = 0;
    int st = 0, en = 0;
    for (int l = 0; l < n; l++) {
        for (int r = l+1; r < n; r++) {
            ll diam = 0;
            int a = 0, b = 0;
            for (int i = 0; i < n; i++) {
                for (int j = i+1; j < n; j++) {
                    ll dis = min(ps[j] - ps[i], abs(ps[l] - ps[i]) + c + abs(ps[r] - ps[j]));
                    diam = max(diam, dis + d[i] + d[j]);
                }
            }
            ans = min(ans, diam);
        }
    }
    return ans;
}
/*
int main() {
    int n, c; cin >> n >> c;
    vector<int> l(n-1), d(n);
    for (int i = 0; i < n-1; i++) cin >> l[i];
    for (int i = 0; i < n; i++) cin >> d[i];
    cout << find_shortcut(n, l, d, c) << "\n";
}*/

Compilation message (stderr)

shortcut.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
shortcut_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

• Subtask 1: 9 / 9
• Subtask 2: 14 / 14
• Subtask 3: 8 / 8
• Subtask 4: 0 / 7
• Subtask 5: 0 / 33
• Subtask 6: 0 / 22
• Subtask 7: 0 / 4
• Subtask 8: 0 / 3