Submission #481625

#	Time	Username	Problem	Language	Result	Execution time	Memory
481625		Rainbowbunny	Coin Collecting (JOI19_ho_t4)	C++17	0 / 100	1 ms	384 KiB

joi2019_ho_t4

#include <bits/stdc++.h>
using namespace std;

const int MAXN = 200005;

int n;
long long ans, cnt;
long long X[MAXN], Y[MAXN];
vector <long long> V;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >> n;
    for(int i = 1; i <= 2 * n; i++)
    {
        cin >> X[i] >> Y[i];
        if(X[i] <= 0)
        {
            ans += (1 - X[i]);
            X[i] = 1;
        }
        if(X[i] > n)
        {
            ans += (X[i] - n);
            X[i] = n;
        }
        if(X[i] >= 1 and X[i] <= n)
        {
            if(Y[i] <= 1)
            {
                ans -= (Y[i] - 1);
                cnt++;
            }
            else
            {
                ans += (Y[i] - 2);
            }
            V.push_back(X[i]);
        }
    }
    sort(V.begin(), V.end());
    ans += abs(cnt - n);
    for(int i = 0; i < (int)V.size(); i += 2)
    {
        ans += abs(V[i] - i / 2 - 1);
        ans += abs(V[i + 1] - i / 2 - 1);
    }
    cout << ans << '\n';
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 29
• Subtask 3: 0 / 63