Submission #927568

#	Time	Username	Problem	Language	Result	Execution time	Memory
927568		Gromp15	Coin Collecting (JOI19_ho_t4)	C++17	0 / 100	1 ms	348 KiB

joi2019_ho_t4

#include <bits/stdc++.h>
#define ll long long
#define ar array
#define db double
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define rint(l, r) uniform_int_distribution<int>(l, r)(rng)
template<typename T> bool ckmin(T &a, const T &b) { return a > b ? a = b, 1 : 0; }
template<typename T> bool ckmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; }
void test_case() {
	int n; cin >> n;
	vector<int> x(2*n), y(2*n);
	for (int i = 0; i < 2*n; i++) {
		cin >> x[i] >> y[i];
	}
	sort(all(x));
	sort(all(y));
	ll ans = 0;
	for (int i = 0; i < 2*n; i++) {
		ans += abs(x[i] - (i/2+1));
		ans += abs(y[i] - (i / n + 1));
	}
	cout << ans << '\n';



}
int main() {
    cin.tie(0)->sync_with_stdio(0);
    int t = 1;
//    cin >> t;
    while (t--) test_case();
}

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