oj.uz

답안 #871372

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
871372 2023-11-10T16:38:14 Z serifefedartar Pinball (JOI14_pinball) C++17
51 / 100
 267 ms 20928 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define fast ios::sync_with_stdio(0);cin.tie(0);
#define s second
#define f first
typedef long long ll;
const ll MOD = 1e9+9;
const ll LOGN = 22; 
const ll MAXN = 1e5 + 100;

vector<int> cc;
struct Machine {
	int l, r, centr;
	ll cost;
	void read() {
		cin >> l >> r >> centr >> cost;
		cc.push_back(l);
		cc.push_back(r);
		cc.push_back(centr);
	}
	Machine(int _l, int _r, int _centr, ll _cost) : l(_l), r(_r), centr(_centr), cost(_cost) { }
	Machine() { }
};

vector<Machine> v;
int n;
ll sg[4*MAXN], to_right[MAXN], to_left[MAXN];
void init(int k, int a, int b) {
	if (a == b) {
		sg[k] = 1e16;
		return ;
	}
	init(2*k, a, (a+b)/2);
	init(2*k+1, (a+b)/2+1, b);
	sg[k] = min(sg[2*k], sg[2*k+1]);
}

void update(int k, int a, int b, int plc, ll val) {
	if (b < plc || a > plc)
		return ;
	if (a == b) {
		sg[k] = min(sg[k], val);
		return ;
	}
	update(2*k, a, (a+b)/2, plc, val);
	update(2*k+1, (a+b)/2+1, b, plc, val);
	sg[k] = min(sg[2*k], sg[2*k+1]);
}

ll query(int k, int a, int b, int q_l, int q_r) {
	if (q_l > b || q_r < a)
		return 1e16;
	if (q_l <= a && b <= q_r)
		return sg[k];
	return min(query(2*k, a, (a+b)/2, q_l, q_r),
				query(2*k+1, (a+b)/2+1, b, q_l, q_r));
}

int index(int k) {
	return lower_bound(cc.begin(), cc.end(), k) - cc.begin();
}

int main() {
	int M, N;
	cin >> M >> N;

	v = vector<Machine>(M+1);
	for (int i = 1; i <= M; i++)
		v[i].read();
	sort(cc.begin(), cc.end());
	cc.erase(unique(cc.begin(), cc.end()), cc.end());
	n = cc.size();

	init(1, 1, n);
	for (int i = 1; i <= M; i++) {
		ll Q = query(1, 1, n, index(v[i].l), index(v[i].r));
		if (v[i].l == 1)
			Q = 0;

		to_left[i] = Q + v[i].cost;
		update(1, 1, n, index(v[i].centr), to_left[i]);
	}

	init(1, 1, n);
	for (int i = 1; i <= M; i++) {
		ll Q = query(1, 1, n, index(v[i].l), index(v[i].r));
		if (v[i].r == N)
			Q = 0;

		to_right[i] = Q + v[i].cost;
		update(1, 1, n, index(v[i].centr), to_right[i]);
	}

	ll mn = 1e16;
	for (int i = 1; i <= M; i++)
		mn = min(mn, to_left[i] + to_right[i] - v[i].cost);

	if (mn >= 1e14)
		mn = -1;
	cout << mn << "\n";
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2484 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2484 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2496 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2484 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2496 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 3 ms 2396 KB Output is correct
18 Correct 2 ms 2396 KB Output is correct
19 Correct 3 ms 2396 KB Output is correct
20 Correct 3 ms 2584 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 3 ms 2512 KB Output is correct
23 Correct 3 ms 2396 KB Output is correct
24 Correct 3 ms 2396 KB Output is correct

Subtask #4
0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2484 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2496 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 3 ms 2396 KB Output is correct
18 Correct 2 ms 2396 KB Output is correct
19 Correct 3 ms 2396 KB Output is correct
20 Correct 3 ms 2584 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 3 ms 2512 KB Output is correct
23 Correct 3 ms 2396 KB Output is correct
24 Correct 3 ms 2396 KB Output is correct
25 Correct 26 ms 3336 KB Output is correct
26 Correct 68 ms 6612 KB Output is correct
27 Correct 203 ms 9772 KB Output is correct
28 Correct 216 ms 9920 KB Output is correct
29 Correct 154 ms 8692 KB Output is correct
30 Correct 267 ms 10032 KB Output is correct
31 Runtime error 147 ms 20928 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -