Submission #1219202

#	Time	Username	Problem	Language	Result	Execution time	Memory
1219202		trimkus	Snowball (JOI21_ho_t2)	C++20	33 / 100	2594 ms	836 KiB

Main

#include <bits/stdc++.h>

using namespace std;
using ll = long long;


int main() {
	int n, q;
	cin >> n >> q;
	vector<ll> a(n);
	for (auto& i : a) cin >> i;
	vector<ll> res(n);
	vector<ll> l(n), r(n);
	for (int i = 0; i < n; ++i) {
		l[i] = r[i] = a[i];
	}
	for (int i = 0; i < q; ++i) {
		ll x;
		cin >> x;
		//~ cerr << "Wind x = " << x << "\n";
		if (x < 0) {
			x = -x;
			for (int i = n - 1; i > 0; --i) {
				ll till = max(a[i] - x, r[i - 1]);
				ll add = max(0LL, l[i] - till);
				res[i] += add;
				l[i] = min(l[i], till);
				a[i] -= x;
			}
			ll till = a[0] - x;
			ll add = max(0LL, l[0] - till);
			res[0] += add;
			l[0] = min(l[0], till);
			a[0] -= x;
		} else {
			for (int i = 0; i < n - 1; ++i) {
				ll till = min(a[i] + x, l[i + 1]);
				ll add = max(0LL, till - r[i]);
				res[i] += add;
				r[i] = max(r[i], till);
				a[i] += x;
			}
			ll till = a[n - 1] + x;
			ll add = max(0LL, till - r[n - 1]);
			res[n - 1] += add;
			r[n - 1] = max(r[n - 1], till);
			a[n - 1] += x;
		}
		//~ for (int i = 0; i < n; ++i) {
			//~ cerr << i << " = " << " l = " << l[i] << " , r = " << r[i] << " , ";
			//~ cerr << " w = " << res[i] << " , pos = " << a[i] << "\n";
		//~ }
		//~ cerr << endl;
	}
	for (auto& i : res) {
		cout << i << "\n";
	}
}

• Subtask 1: 33 / 33
• Subtask 2: 0 / 67