답안 #714963

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
714963 2023-03-25T15:30:56 Z dsyz Pinball (JOI14_pinball) C++17
51 / 100
916 ms 524288 KB
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define MAXN (1000005)
struct node{
	ll s,e,m,val,lazy;
	node *l = nullptr,*r = nullptr;
	node(ll S,ll E){
		s = S;
		e = E;
		m = (s + e) / 2;
		val = 1e18;
		lazy = 1e18;
	}
	void create(){
		if(l == nullptr && s != e){
			l = new node(s,m);
			r = new node(m + 1,e);
		}
	}
	void propagate(){
		create();
		if(lazy == 1e18) return;
		val = min(val,lazy);
		if(s != e){
			l->lazy = min(l -> lazy,lazy);
			r->lazy = min(r -> lazy,lazy);
		}
	}
	void update(ll S,ll E,ll v){
		if(s == S && e == E) lazy = min(lazy,v);
		else{
			create();
			if(E <= m) l->update(S,E,v);
			else if(S > m) r->update(S,E,v);
			else l->update(S,m,v),r->update(m + 1,E,v);
			l->propagate(),r->propagate();
			val = min(l->val,r->val);
		}
	}
	long long query(ll S,ll E){
		create();
		propagate();
		if(s == S && e == E) return val;
		else if(S > m) return r->query(S,E);
		else if(E <= m) return l->query(S,E);
		else return min(l->query(S,m),r-> query(m + 1,E));
	}
} *root;
int main() {
	ios_base::sync_with_stdio(false);cin.tie(0);
	ll M,N;
	cin>>M>>N;
	root = new node(0,N + 5);
	pair<ll,ll> range[M];
	ll C[M], D[M];
	vector<ll> d;
	for(ll i = 0;i < M;i++){
		cin>>range[i].first>>range[i].second>>C[i]>>D[i];
	}
	ll dp1[M]; //start from column 1
	for(ll i = 0;i < M;i++){
		if(range[i].first == 1) dp1[i] = D[i];
		else dp1[i] = 1e18;
	}
	for(ll i = 0;i < M;i++){
		ll prev = root -> query(range[i].first,range[i].second);
		if(range[i].first == 1){
			dp1[i] = D[i];
		}else{
			if(prev < 1e18) dp1[i] = prev + D[i];
		}
		if(dp1[i] < 1e18) root -> update(C[i],C[i],dp1[i]);
	}
	root = new node(0,N + 5);
	ll dpN[M]; //start from column N
	for(ll i = 0;i < M;i++){
		if(range[i].second == N) dpN[i] = D[i];
		else dpN[i] = 1e18;
	}
	for(ll i = 0;i < M;i++){
		ll prev = root -> query(range[i].first,range[i].second);
		if(range[i].second == N){
			dpN[i] = D[i];
		}else{
			if(prev < 1e18) dpN[i] = prev + D[i];
		}
		if(dpN[i] < 1e18) root -> update(C[i],C[i],dpN[i]);
	}
	ll ans = 2e18 + 5;
	for(ll i = 0;i < M;i++){
		if(dp1[i] < 1e18 && dpN[i] < 1e18){
			ans = min(ans,dp1[i] + dpN[i] - D[i]);
		}
	}
	if(ans >= 1e18) cout<<-1<<'\n';
	else cout<<ans<<'\n';
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 2 ms 1216 KB Output is correct
11 Correct 2 ms 1748 KB Output is correct
12 Correct 3 ms 3276 KB Output is correct
13 Correct 5 ms 3540 KB Output is correct
14 Correct 4 ms 4052 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 2 ms 1216 KB Output is correct
11 Correct 2 ms 1748 KB Output is correct
12 Correct 3 ms 3276 KB Output is correct
13 Correct 5 ms 3540 KB Output is correct
14 Correct 4 ms 4052 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 2 ms 2388 KB Output is correct
17 Correct 10 ms 8644 KB Output is correct
18 Correct 3 ms 720 KB Output is correct
19 Correct 15 ms 15248 KB Output is correct
20 Correct 7 ms 6100 KB Output is correct
21 Correct 4 ms 3920 KB Output is correct
22 Correct 12 ms 12884 KB Output is correct
23 Correct 15 ms 16840 KB Output is correct
24 Correct 14 ms 15600 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 2 ms 1216 KB Output is correct
11 Correct 2 ms 1748 KB Output is correct
12 Correct 3 ms 3276 KB Output is correct
13 Correct 5 ms 3540 KB Output is correct
14 Correct 4 ms 4052 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 2 ms 2388 KB Output is correct
17 Correct 10 ms 8644 KB Output is correct
18 Correct 3 ms 720 KB Output is correct
19 Correct 15 ms 15248 KB Output is correct
20 Correct 7 ms 6100 KB Output is correct
21 Correct 4 ms 3920 KB Output is correct
22 Correct 12 ms 12884 KB Output is correct
23 Correct 15 ms 16840 KB Output is correct
24 Correct 14 ms 15600 KB Output is correct
25 Correct 55 ms 31208 KB Output is correct
26 Correct 254 ms 171832 KB Output is correct
27 Correct 702 ms 312360 KB Output is correct
28 Correct 308 ms 15316 KB Output is correct
29 Correct 573 ms 357188 KB Output is correct
30 Correct 725 ms 81580 KB Output is correct
31 Runtime error 916 ms 524288 KB Execution killed with signal 9
32 Halted 0 ms 0 KB -