oj.uz

답안 #515759

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
515759 2022-01-19T15:14:51 Z thiago_bastos Pinball (JOI14_pinball) C++17
100 / 100
 154 ms 8172 KB 
#include "bits/stdc++.h"

using namespace std;
 
using i64 = long long;
using u64 = unsigned long long;
using i32 = int;
using u32 = unsigned;
using i16 = short;
using u16 = unsigned short;
using ld = long double;
using ii = pair<int, int>;

const i64 INF = 1e15L;

int n, m;

vector<i64> st;

i64 query(int l, int r) {
	i64 ans = INF;
	for(l += n, r += n; l <= r; l >>= 1, r >>= 1) {
		if(l & 1) ans = min(ans, st[l++]);
		if(~r & 1) ans = min(ans, st[r--]);
	}
	return ans;
}

void upd(int k, i64 x) {
	k += n;
	st[k] = min(st[k], x);
	for(k >>= 1; k; k >>= 1) st[k] = min(st[k << 1], st[(k << 1) | 1]);
}

void solve() {
	
	cin >> n >> m;

	vector<int> a(n), b(n), c(n), d(n);
	vector<i64> dp(n, 0);
	i64 ans = INF;

	for(int i = 0; i < n; ++i) cin >> a[i] >> b[i] >> c[i] >> d[i];
	
	auto x = c;
	sort(x.begin(), x.end());

	st.assign(2 * n + 1, INF);
	
	for(int i = 0; i < n; ++i) {
		if(a[i] == 1) {
			int k = lower_bound(x.begin(), x.end(), c[i]) - x.begin();
			upd(k, d[i]);
			dp[i] = d[i];
		} else {
			int l = lower_bound(x.begin(), x.end(), a[i]) - x.begin();
			int r = upper_bound(x.begin(), x.end(), b[i]) - x.begin() - 1;
			dp[i] = d[i] + query(l, r);
			upd(lower_bound(x.begin(), x.end(), c[i]) - x.begin(), dp[i]);
		}
		if(b[i] == m) ans = min(ans, dp[i]);
	}

	fill(st.begin(), st.end(), INF);

	for(int i = 0; i < n; ++i) {
		if(b[i] == m) {
			int k = lower_bound(x.begin(), x.end(), c[i]) - x.begin();
			upd(k, d[i]);
			dp[i] += d[i];
		} else {
			int l = lower_bound(x.begin(), x.end(), a[i]) - x.begin();
			int r = upper_bound(x.begin(), x.end(), b[i]) - x.begin() - 1;
			i64 q = query(l, r);
			dp[i] += q;
			upd(lower_bound(x.begin(), x.end(), c[i]) - x.begin(), d[i] + q);
		}
		ans = min(ans, dp[i]);
	}

	if(ans >= INF) ans = -1;

	cout << ans << '\n';
}
 
int main() {
	ios_base :: sync_with_stdio(false);
	cin.tie(0);
	int t = 1;
	//cin >> t;
	while(t--) solve();
	return 0;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 288 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 288 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 288 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 308 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 2 ms 324 KB Output is correct
19 Correct 2 ms 364 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 328 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 356 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 288 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 308 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 2 ms 324 KB Output is correct
19 Correct 2 ms 364 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 328 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 356 KB Output is correct
25 Correct 12 ms 904 KB Output is correct
26 Correct 32 ms 2092 KB Output is correct
27 Correct 103 ms 5524 KB Output is correct
28 Correct 139 ms 8036 KB Output is correct
29 Correct 73 ms 4164 KB Output is correct
30 Correct 154 ms 8152 KB Output is correct
31 Correct 151 ms 8092 KB Output is correct
32 Correct 151 ms 8172 KB Output is correct
33 Correct 18 ms 1732 KB Output is correct
34 Correct 64 ms 4268 KB Output is correct
35 Correct 92 ms 8084 KB Output is correct
36 Correct 148 ms 8060 KB Output is correct
37 Correct 128 ms 8108 KB Output is correct
38 Correct 123 ms 8068 KB Output is correct