oj.uz

답안 #793013

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
793013 2023-07-25T12:25:06 Z bane Pinball (JOI14_pinball) C++17
100 / 100
 940 ms 339084 KB 
#include<bits/stdc++.h>
using namespace std;

#ifdef LOCAL
#include "algo/debug.h"
#else 
#define debug(...) 42
#endif 
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
int n, m;

struct Sparse{
	vector<long long>t{(long long)1e16};
	vector<long long>lazy{(long long)1e16};
	vector<int>L{-1},R{-1};

	inline void expand(int k, int l, int r){
		if (l != r){
			if (L[k] == -1){
				L.push_back(-1);
				R.push_back(-1);
				t.push_back((long long)1e16);
				lazy.push_back((long long)1e16);
				L[k] = (int)t.size() - 1;
			}
			if (R[k] == -1){
				L.push_back(-1);
				R.push_back(-1);
				t.push_back((long long)1e16);
				R[k] = (int)t.size() - 1;
				lazy.push_back((long long)1e16);
			}
		}
	}

	inline void propagate(int k, int l, int r){
		t[k] = min(t[k], lazy[k]);
		if (l != r){
			lazy[L[k]] = min(lazy[k], lazy[L[k]]);
			lazy[R[k]] = min(lazy[R[k]], lazy[k]);
		}
		lazy[k] = (long long)1e16;
	}

	inline void range_update(int a, int b, long long cost, int l = 1, int r = n, int k = 0){
		if (a > b)return;
		expand(k,l,r);
		propagate(k,l,r);
		//cout << k << " " << L[k] << " " << R[k] << endl;
		if (l >= a && r <= b){
			lazy[k] = cost;
			propagate(k,l,r);
			return;
		}
		if (l > b || r < a)return;
		int mid = (l+r) / 2;
		range_update(a,b,cost,l,mid,L[k]);
		range_update(a,b,cost,mid+1,r,R[k]);
	}

	inline long long query(int a, int l = 1, int r = n, int k = 0){
		if (a < 1)return 0LL;
		if (a > n)return 0LL;
		expand(k,l,r);
		propagate(k,l,r);
		if (l == r){
			return t[k];
		}
		int mid = (l+r) >> 1;
		if (a <= mid)
			return query(a,l,mid,L[k]);
		else
			return query(a,mid+1,r,R[k]);
	}
} st, st2;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);

	cin >> m >> n;
	long long ans = (long long)1e16;
	for (int i = 0; i < m; i++){
		long long a,b,c,d;
		cin >> a >> b >> c >> d;
		//it ends here
		long long CostLeft = st.query(a-1);	
		long long CostRight = st2.query(b+1);
		ans = min(ans, CostLeft + CostRight + d);
	//	cout << CostLeft << " " << CostRight << " " << c + 1 << endl;
		long long CoverLeft = CostLeft + d;
		long long CoverRight = CostRight + d;
		if (CoverLeft < (long long)1e16)
			st.range_update(a,c-1,CoverLeft);
		if (CoverRight < (long long)1e16)
			st2.range_update(c+1,b, CoverRight);
		
	}
	cout << (ans == (long long)1e16 ? -1 : ans) << endl;
	return 0;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 2 ms 724 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1236 KB Output is correct
13 Correct 1 ms 1356 KB Output is correct
14 Correct 1 ms 1468 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 2 ms 724 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1236 KB Output is correct
13 Correct 1 ms 1356 KB Output is correct
14 Correct 1 ms 1468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 5 ms 3612 KB Output is correct
18 Correct 4 ms 480 KB Output is correct
19 Correct 5 ms 4872 KB Output is correct
20 Correct 5 ms 2876 KB Output is correct
21 Correct 1 ms 1356 KB Output is correct
22 Correct 5 ms 3632 KB Output is correct
23 Correct 6 ms 5196 KB Output is correct
24 Correct 6 ms 4468 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 2 ms 724 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1236 KB Output is correct
13 Correct 1 ms 1356 KB Output is correct
14 Correct 1 ms 1468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 5 ms 3612 KB Output is correct
18 Correct 4 ms 480 KB Output is correct
19 Correct 5 ms 4872 KB Output is correct
20 Correct 5 ms 2876 KB Output is correct
21 Correct 1 ms 1356 KB Output is correct
22 Correct 5 ms 3632 KB Output is correct
23 Correct 6 ms 5196 KB Output is correct
24 Correct 6 ms 4468 KB Output is correct
25 Correct 32 ms 12208 KB Output is correct
26 Correct 155 ms 68284 KB Output is correct
27 Correct 471 ms 148788 KB Output is correct
28 Correct 268 ms 2848 KB Output is correct
29 Correct 342 ms 134696 KB Output is correct
30 Correct 484 ms 36408 KB Output is correct
31 Correct 940 ms 263312 KB Output is correct
32 Correct 739 ms 194072 KB Output is correct
33 Correct 52 ms 36508 KB Output is correct
34 Correct 206 ms 104040 KB Output is correct
35 Correct 378 ms 257312 KB Output is correct
36 Correct 684 ms 339084 KB Output is correct
37 Correct 453 ms 215948 KB Output is correct
38 Correct 508 ms 225468 KB Output is correct