oj.uz

답안 #377454

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
377454 2021-03-14T08:35:43 Z reymontada61 Pinball (JOI14_pinball) C++14
51 / 100
 964 ms 169580 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long

int n, m;
const int MXN = 100005;
int l[MXN], r[MXN], to[MXN], c[MXN];

int lec[MXN], ric[MXN];

int MXE = LLONG_MAX / 10;

int ans = MXE;
bool can;

struct LzSegmentTree {
	
	int seg[35*MXN];
	int le[35*MXN];
	int ri[35*MXN]; 
	
	int n, nx;
	
	LzSegmentTree(int N) {
		seg[0] = seg[1] = MXE;
		le[0] = le[1] = 0;
		ri[0] = ri[1] = 0;
		nx = 1;
	}
	
	int get() {
		nx++;
		seg[nx] = MXE;
		le[nx] = 0;
		ri[nx] = 0;
		return nx;
	}
	
	void update(int ind, int l, int r, int pos, int by) {
		if (l == r) {
			seg[ind] = min(seg[ind], by);
			return;
		}
		int m = (l + r) / 2;
		if (pos <= m) {
			if (le[ind] == 0) le[ind] = get();
			update(le[ind], l, m, pos, by);
		}
		else {
			if (ri[ind] == 0) ri[ind] = get();
			update(ri[ind], m+1, r, pos, by);
		}
		seg[ind] = min(seg[le[ind]], seg[ri[ind]]);
	}
	
	int query(int ind, int l, int r, int ql, int qr) {
		if (ql <= l && r <= qr) {
			return seg[ind];
		}
		if (ql > r || qr < l) return MXE;
		if (le[ind] == 0) le[ind] = get();
		if (ri[ind] == 0) ri[ind] = get();
		int m = (l + r) / 2;
		return min(query(le[ind], l, m, ql, qr), query(ri[ind], m+1, r, ql, qr));
	}
	
};

signed main() {
	
	ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);

	cin >> m >> n;
	for (int i=1; i<=m; i++) {
		cin >> l[i] >> r[i] >> to[i] >> c[i];
	}
	
	LzSegmentTree onL(n), onR(n);
	
	for (int i=1; i<=m; i++) {
		if (l[i] == 1) {
			lec[i] = c[i];
		}
		else {
			lec[i] = min(MXE, c[i] + onL.query(1, 1, n, l[i], r[i]));
		}
		
		if (r[i] == n) {
			ric[i] = c[i];
		}
		else {
			ric[i] = min(MXE, c[i] + onR.query(1, 1, n, l[i], r[i]));
		}
		
		onL.update(1, 1, n, to[i], lec[i]);
		onR.update(1, 1, n, to[i], ric[i]);
		
		if (lec[i] >= MXE || ric[i] >= MXE) continue;
		
		can = true;
		ans = min(ans, lec[i] + ric[i] - c[i]);
			
	}
	
	if (can) cout << ans << endl;
	else cout << -1 << endl;
	
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 2 ms 768 KB Output is correct
11 Correct 1 ms 748 KB Output is correct
12 Correct 2 ms 1260 KB Output is correct
13 Correct 2 ms 1260 KB Output is correct
14 Correct 2 ms 1388 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 2 ms 768 KB Output is correct
11 Correct 1 ms 748 KB Output is correct
12 Correct 2 ms 1260 KB Output is correct
13 Correct 2 ms 1260 KB Output is correct
14 Correct 2 ms 1388 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 2 ms 1004 KB Output is correct
17 Correct 5 ms 2156 KB Output is correct
18 Correct 3 ms 492 KB Output is correct
19 Correct 6 ms 4076 KB Output is correct
20 Correct 5 ms 1644 KB Output is correct
21 Correct 2 ms 1388 KB Output is correct
22 Correct 6 ms 3948 KB Output is correct
23 Correct 6 ms 4460 KB Output is correct
24 Correct 6 ms 4460 KB Output is correct

Subtask #4
0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 2 ms 768 KB Output is correct
11 Correct 1 ms 748 KB Output is correct
12 Correct 2 ms 1260 KB Output is correct
13 Correct 2 ms 1260 KB Output is correct
14 Correct 2 ms 1388 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 2 ms 1004 KB Output is correct
17 Correct 5 ms 2156 KB Output is correct
18 Correct 3 ms 492 KB Output is correct
19 Correct 6 ms 4076 KB Output is correct
20 Correct 5 ms 1644 KB Output is correct
21 Correct 2 ms 1388 KB Output is correct
22 Correct 6 ms 3948 KB Output is correct
23 Correct 6 ms 4460 KB Output is correct
24 Correct 6 ms 4460 KB Output is correct
25 Correct 34 ms 7532 KB Output is correct
26 Correct 166 ms 37508 KB Output is correct
27 Correct 519 ms 67820 KB Output is correct
28 Correct 294 ms 6380 KB Output is correct
29 Correct 410 ms 78316 KB Output is correct
30 Correct 622 ms 19308 KB Output is correct
31 Correct 964 ms 142956 KB Output is correct
32 Correct 921 ms 100616 KB Output is correct
33 Correct 70 ms 31212 KB Output is correct
34 Correct 390 ms 126060 KB Output is correct
35 Incorrect 394 ms 169580 KB Output isn't correct
36 Halted 0 ms 0 KB -