Submission #933177

#	Time	Username	Problem	Language	Result	Execution time	Memory
933177		zhaohaikun	Inspections (NOI23_inspections)	C++17	0 / 100	3 ms	4696 KiB

Main

// MagicDark
#include <bits/stdc++.h>
#define debug cerr << "[" << __LINE__ << "] "
#define SZ(x) (int) x.size() - 1
#define all(x) x.begin(), x.end()
#define ms(x, y) memset(x, y, sizeof x)
#define F(i, x, y) for (int i = (x); i <= (y); i++)
#define DF(i, x, y) for (int i = (x); i >= (y); i--)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
template <typename T> inline void chkmax(T& x, T y) {x = max(x, y);}
template <typename T> inline void chkmin(T& x, T y) {x = min(x, y);}
template <typename T> inline void read(T &x) {
	x = 0; int f = 1; char c = getchar();
	for (; !isdigit(c); c = getchar()) if (c == '-') f = -f;
	for (; isdigit(c); c = getchar()) x = (x << 1) + (x << 3) + (c ^ 48);
	x *= f;
}
const int N = 2e5 + 10, inf = 1e9;
const ll INF = 1e18;
int n, m, q, l[N], r[N];
ll sum;
pair <ll, int> qq[N];
set <pair <pair <int, int>, ll>> s;
auto split(int x) { // x - 1 x
	auto it = s.lower_bound(make_pair(make_pair(x, inf), 0));
	if (it == s.begin()) return it;
	it--;
	if (it -> first.first < x && it -> first.second >= x) {
		auto g = *it;
		s.erase(it);
		s.emplace(make_pair(g.first.first, x - 1), g.second);
		return s.emplace(make_pair(x, g.first.second), g.second).first;
	}
	return it;
}
vector <pair <ll, int>> v;
void dot(int x, ll y) {
	v.emplace_back(y, x);
}
void ins(int l, int r, ll g) {
	auto tr = split(r + 1), tl = split(l);
	// if (r != 6) {
	// 	debug << tl -> first.first << " " << tl -> first.second << endl;
	// 	debug << tr -> first.first << " " << tr -> first.second << endl;
	// }
	// for (auto [a, b]: s) debug << a.first << " " << a.second << " : " << b << endl; debug << endl;
	while (tl != tr) {
		// debug << tl -> first.first << " " << tl -> first.second << endl;
		dot(tl -> first.second - tl -> first.first + 1, g - tl -> second);
		tl = s.erase(tl);
	}
	s.emplace(make_pair(l, r), g);
}
int pos;
ll e, ans[N];
signed main() {
	read(n), read(m), read(q);
	// s.emplace(make_pair(1, n), -INF);
	F(i, 1, m) {
		read(l[i]), read(r[i]);
		ins(l[i], r[i], sum - l[i] + 1);
		sum += r[i] - l[i] + 1;
	}
	F(i, 1, q) read(qq[i].first), qq[i].second = i;
	sort(qq + 1, qq + q + 1);
	sort(v.rbegin(), v.rend());
	// for (auto [a, b]: v) cout << a << " " << b << endl;
	DF(i, q, 1) {
		while (pos <= SZ(v) && v[pos].first > qq[i].first) {
			e += v[pos].second;
			pos++;
		}
		// debug << qq[i].first << " " << e << endl;
		ans[qq[i].second] = e;
	}
	F(i, 1, q) cout << ans[i] << ' ';
	return 0;
}
/* why?
*/

• Subtask 1: 0 / 11
• Subtask 2: 0 / 18
• Subtask 3: 0 / 22
• Subtask 4: 0 / 26
• Subtask 5: 0 / 23