Submission #630622

#	Time	Username	Problem	Language	Result	Execution time	Memory
630622		valerikk	Bitaro, who Leaps through Time (JOI19_timeleap)	C++17	4 / 100	3058 ms	8280 KiB

timeleap

#include <bits/stdc++.h>

using namespace std;

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n, q;
	cin >> n >> q;
	vector<int> l, r;
	if (n > 1) {
		l.resize(n - 1);
		r.resize(n - 1);
	}
	for (int i = 0; i < n - 1; ++i) {
		cin >> l[i] >> r[i];
		--r[i];
	}
	while (q--) {
		int t;
		cin >> t;
		if (t == 1) {
			int p, s, e;
			cin >> p >> s >> e;
			--p, --e;
			l[p] = s;
			r[p] = e;
		} 
		if (t == 2) {
			int a, b, c, d;
			cin >> a >> b >> c >> d;
			--a, --c;
			bool f = a > c;
			if (a > c) {
				reverse(begin(l), end(l));
				reverse(begin(r), end(r));
				a = n - a - 1;
				c = n - c - 1;
			}
			long long ans = 0;
			for (int i = a; i < c; ++i) {
				if (b > r[i]) {
					ans += b - r[i];
					b = r[i];
				}
				if (b < l[i]) {
					b = l[i];
				}
				++b;
			}
			if (b > d) {
				ans += b - d;
				b = d;
			}
			cout << ans << "\n";
			if (f) {
				reverse(begin(l), end(l));
				reverse(begin(r), end(r));
			}
		}
	}
	return 0;
}

• Subtask 1: 4 / 4
• Subtask 2: 0 / 30
• Subtask 3: 0 / 66