oj.uz

답안 #340199

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
340199 2020-12-27T09:21:59 Z Bill_00 Pinball (JOI14_pinball) C++14
51 / 100
 1000 ms 301800 KB 
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define M 100005
#define MAX 1e18
typedef long long ll; 
using namespace std;
ll m,n,L,R,ans=MAX;
ll a[M],b[M];
ll c[M],d[M];

struct node{
	bool vis;
	ll mn;
	node *le,*ri;
	void update(ll up,ll l,ll r){
		if(r<L || R<l) return;
		if(L<=l && r<=R){
			if(vis){
				mn=min(mn,up);
			}
			else mn=up;
			vis=1;
			return;
		}
		if(le==NULL) le=new node();
		if(ri==NULL) ri=new node();
		ll m=l+r>>1;
		le->update(up,l,m);
		ri->update(up,m+1,r);
		if(!(le->vis)){
			mn=ri->mn;
			vis=1;
			return;
		}
		if(!(ri->vis)){
			mn=le->mn;
			vis=1;
			return;
		}
		mn=min((le->mn),(ri->mn));
		vis=1;
		return;
	}

	ll query(ll l,ll r){
		if(r<L || R<l) return MAX;
		if(L<=l && r<=R){
			if(vis) return mn;
			else return MAX;
		}
		if(le==NULL) le=new node();
		if(ri==NULL) ri=new node();
		ll m=l+r>>1;
		return min((le->query(l,m)),(ri->query(m+1,r)));
	}

} *seg1=new node(),*seg2=new node();



int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin >> m >> n;
	for(int i=1;i<=m;++i){
		cin >> a[i] >> b[i];
		cin >> c[i] >> d[i];
	}
	L=R=1;
	seg1->update(0,1,n);
	L=R=n;
	seg2->update(0,1,n);
	for(int i=1;i<=m;++i){
		L=a[i],R=b[i];
		ll cost1=(seg1->query(1,n));
		ll cost2=(seg2->query(1,n));
		if(cost1!=MAX && cost2!=MAX){
			ans=min(ans,cost1+cost2+d[i]);
		}
		L=R=c[i];
		if(cost1!=MAX){
			seg1->update(cost1+d[i],1,n);
		}
		if(cost2!=MAX){
			seg2->update(cost2+d[i],1,n);
		}
	}
	if(ans==MAX) cout << -1;
	else cout << ans;
}

Compilation message

pinball.cpp: In member function 'void node::update(ll, ll, ll)':
pinball.cpp:30:9: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   30 |   ll m=l+r>>1;
      |        ~^~
pinball.cpp: In member function 'll node::query(ll, ll)':
pinball.cpp:56:9: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   56 |   ll m=l+r>>1;
      |        ~^~

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 1 ms 748 KB Output is correct
11 Correct 2 ms 1004 KB Output is correct
12 Correct 3 ms 1772 KB Output is correct
13 Correct 3 ms 2028 KB Output is correct
14 Correct 3 ms 2156 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 1 ms 748 KB Output is correct
11 Correct 2 ms 1004 KB Output is correct
12 Correct 3 ms 1772 KB Output is correct
13 Correct 3 ms 2028 KB Output is correct
14 Correct 3 ms 2156 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 2 ms 1388 KB Output is correct
17 Correct 8 ms 3948 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 12 ms 7532 KB Output is correct
20 Correct 7 ms 2796 KB Output is correct
21 Correct 3 ms 2156 KB Output is correct
22 Correct 12 ms 6636 KB Output is correct
23 Correct 12 ms 8300 KB Output is correct
24 Correct 14 ms 8044 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 1 ms 748 KB Output is correct
11 Correct 2 ms 1004 KB Output is correct
12 Correct 3 ms 1772 KB Output is correct
13 Correct 3 ms 2028 KB Output is correct
14 Correct 3 ms 2156 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 2 ms 1388 KB Output is correct
17 Correct 8 ms 3948 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 12 ms 7532 KB Output is correct
20 Correct 7 ms 2796 KB Output is correct
21 Correct 3 ms 2156 KB Output is correct
22 Correct 12 ms 6636 KB Output is correct
23 Correct 12 ms 8300 KB Output is correct
24 Correct 14 ms 8044 KB Output is correct
25 Correct 53 ms 15116 KB Output is correct
26 Correct 225 ms 80620 KB Output is correct
27 Correct 609 ms 141676 KB Output is correct
28 Correct 323 ms 9836 KB Output is correct
29 Correct 488 ms 162668 KB Output is correct
30 Correct 663 ms 36460 KB Output is correct
31 Execution timed out 1104 ms 301800 KB Time limit exceeded
32 Halted 0 ms 0 KB -