Submission #1022515

#	Time	Username	Problem	Language	Result	Execution time	Memory
1022515		RaresFelix	Shortcut (IOI16_shortcut)	C++17	23 / 100	2019 ms	600 KiB

shortcut

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

using namespace std;

using ll = long long;
using vi = vector<int>;
using vll = vector<ll>;

const ll INF = 1e18;


ll find_shortcut(int n, vi l, vi d, int c) {
    vll s(n, 0), alpha(n, 0), beta(n, 0);

    for(int i = 1; i < n; ++i) {
        s[i] = s[i - 1] + l[i - 1];
    }
    ll re = INF;
    auto dist = [&](int i, int j, int a, int b) {
        if(i > j) swap(i, j);
        return d[i] + d[j] + min(abs(s[i] - s[j]), abs(s[i] - s[a]) + c + abs(s[j] - s[b]));
    };
    for(int a = 0; a < n; ++a)
        for(int b = a; b < n; ++b) {
            ll cre = 0;
            for(int i = 0; i < n; ++i)
                for(int j = i + 1; j < n; ++j) cre = max(cre, dist(i, j, a, b));
            re = min(re, cre);
        }
    return re;
}

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