Submission #792484

#	Time	Username	Problem	Language	Result	Execution time	Memory
792484		vjudge1	Bitaro's travel (JOI23_travel)	C++17	15 / 100	3045 ms	3028 KiB

travel

#ifdef Home
#define _GLIBCXX_DEBUG
#endif // Home

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;

main() {
#ifdef Home
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif // Home
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    ll n, q, x, ans, l, r;
    cin >> n;
    vector < int > a(n);
    for(auto &i : a) {
        cin >> i;
    }
    for(cin >> q; q --> 0;) {
        cin >> x;
        r = upper_bound(a.begin(), a.end(), x) - a.begin(), l = r - 1;
        ans = 0;
        for(int t = n; t --> 0;) {
            if(l < 0) {
                ans += a[r] - x;
                x = a[r];
                ++ r;
            } else if(r == n) {
                ans += x - a[l];
                x = a[l];
                -- l;
            } else {
                if(x - a[l] <= a[r] - x) {
                    ans += x - a[l];
                    x = a[l];
                    -- l;
                } else {
                    ans += a[r] - x;
                    x = a[r];
                    ++ r;
                }
            }
        }
        cout << ans << '\n';
    }

}

Compilation message (stderr)

travel.cpp:12:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   12 | main() {
      | ^~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 0 / 30
• Subtask 4: 0 / 55