oj.uz

답안 #262337

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
262337 2020-08-12T16:31:43 Z easrui 별자리 3 (JOI20_constellation3) C++14
35 / 100
 357 ms 33872 KB 
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
using namespace std;
typedef long long ll;

const int MN = 2e5+5;

int N,A[MN],X[MN],Y[MN],C[MN],T[MN<<1];
ll L[MN],R[MN];
vector<int> V[MN];

void upt(int s, int e, int x, int v, int i)
{
	int m = (s+e)/2;
	if(s==e){
		T[i] = v;
		return;
	}
	if(x<=m) upt(s,m,x,v,i<<1);
	else upt(m+1,e,x,v,i<<1|1);
	T[i] = A[T[i<<1]]>A[T[i<<1|1]] ? T[i<<1] : T[i<<1|1];
}

int getm(int s, int e, int x, int y, int i)
{
	if(e<x||y<s) return 0;
	if(x<=s&&e<=y) return T[i];
	int m = (s+e)/2;
	int l = getm(s,m,x,y,i<<1), r = getm(m+1,e,x,y,i<<1|1);
	return A[l]>A[r] ? l : r;
}

int maxc(int x, int y)
{
	int res = 0;
	for(int i:V[x]){
		if(Y[i]>y) continue;
		res = max(res,C[i]);
	}
	return res;
}

ll solve(int s, int e, int y)
{
	if(s<1||e>N||s>e) return 0;
	//cout << s << ' ' << e << ' ' << y << '\n';
	int m = getm(1,N,s,e,1);
	if(L[m]<0) L[m] = solve(s,m-1,A[m]);
	if(R[m]<0) R[m] = solve(m+1,e,A[m]);

	ll res = L[m]+R[m]+maxc(m,y);
	res = max(res,solve(s,m-1,y)+R[m]);
	res = max(res,L[m]+solve(m+1,e,y));
	return res;
}

int main()
{
	/*#ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
	#endif*/
	
    ios_base::sync_with_stdio(0),cin.tie(0);

    cin >> N;
    for(int i=1; i<=N; i++){
    	cin >> A[i];
    	upt(1,N,i,i,1);
    	L[i] = R[i] = -1;
    }
    A[0] = -1;

    int M;
    cin >> M;
    ll sum = 0;
    for(int i=0; i<M; i++){
    	cin >> X[i] >> Y[i] >> C[i];
    	V[X[i]].push_back(i);
    	sum += C[i];
    }
    cout << sum-solve(1,N,N);
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5120 KB Output is correct
2 Correct 4 ms 5120 KB Output is correct
3 Correct 4 ms 5120 KB Output is correct
4 Correct 4 ms 5120 KB Output is correct
5 Correct 4 ms 5120 KB Output is correct
6 Correct 4 ms 5120 KB Output is correct
7 Correct 4 ms 5120 KB Output is correct
8 Correct 4 ms 5120 KB Output is correct
9 Correct 4 ms 5120 KB Output is correct
10 Correct 9 ms 5120 KB Output is correct
11 Correct 7 ms 5120 KB Output is correct
12 Correct 6 ms 5060 KB Output is correct
13 Correct 7 ms 5120 KB Output is correct
14 Correct 6 ms 5120 KB Output is correct
15 Correct 6 ms 5120 KB Output is correct
16 Correct 8 ms 5120 KB Output is correct
17 Correct 4 ms 5120 KB Output is correct
18 Correct 9 ms 5120 KB Output is correct
19 Correct 4 ms 5120 KB Output is correct
20 Correct 4 ms 5120 KB Output is correct
21 Correct 11 ms 5120 KB Output is correct
22 Correct 4 ms 5120 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5120 KB Output is correct
2 Correct 4 ms 5120 KB Output is correct
3 Correct 4 ms 5120 KB Output is correct
4 Correct 4 ms 5120 KB Output is correct
5 Correct 4 ms 5120 KB Output is correct
6 Correct 4 ms 5120 KB Output is correct
7 Correct 4 ms 5120 KB Output is correct
8 Correct 4 ms 5120 KB Output is correct
9 Correct 4 ms 5120 KB Output is correct
10 Correct 9 ms 5120 KB Output is correct
11 Correct 7 ms 5120 KB Output is correct
12 Correct 6 ms 5060 KB Output is correct
13 Correct 7 ms 5120 KB Output is correct
14 Correct 6 ms 5120 KB Output is correct
15 Correct 6 ms 5120 KB Output is correct
16 Correct 8 ms 5120 KB Output is correct
17 Correct 4 ms 5120 KB Output is correct
18 Correct 9 ms 5120 KB Output is correct
19 Correct 4 ms 5120 KB Output is correct
20 Correct 4 ms 5120 KB Output is correct
21 Correct 11 ms 5120 KB Output is correct
22 Correct 4 ms 5120 KB Output is correct
23 Correct 10 ms 5248 KB Output is correct
24 Correct 9 ms 5248 KB Output is correct
25 Correct 10 ms 5248 KB Output is correct
26 Correct 10 ms 5248 KB Output is correct
27 Correct 10 ms 5248 KB Output is correct
28 Correct 10 ms 5248 KB Output is correct
29 Correct 10 ms 5248 KB Output is correct
30 Correct 10 ms 5248 KB Output is correct
31 Correct 9 ms 5248 KB Output is correct
32 Correct 303 ms 5248 KB Output is correct
33 Correct 232 ms 5248 KB Output is correct
34 Correct 183 ms 5368 KB Output is correct
35 Correct 146 ms 5248 KB Output is correct
36 Correct 258 ms 5248 KB Output is correct
37 Correct 260 ms 5248 KB Output is correct
38 Correct 306 ms 5496 KB Output is correct
39 Correct 13 ms 5248 KB Output is correct
40 Correct 357 ms 5248 KB Output is correct
41 Correct 18 ms 5248 KB Output is correct
42 Correct 14 ms 5152 KB Output is correct
43 Correct 355 ms 5248 KB Output is correct
44 Correct 14 ms 5248 KB Output is correct

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5120 KB Output is correct
2 Correct 4 ms 5120 KB Output is correct
3 Correct 4 ms 5120 KB Output is correct
4 Correct 4 ms 5120 KB Output is correct
5 Correct 4 ms 5120 KB Output is correct
6 Correct 4 ms 5120 KB Output is correct
7 Correct 4 ms 5120 KB Output is correct
8 Correct 4 ms 5120 KB Output is correct
9 Correct 4 ms 5120 KB Output is correct
10 Correct 9 ms 5120 KB Output is correct
11 Correct 7 ms 5120 KB Output is correct
12 Correct 6 ms 5060 KB Output is correct
13 Correct 7 ms 5120 KB Output is correct
14 Correct 6 ms 5120 KB Output is correct
15 Correct 6 ms 5120 KB Output is correct
16 Correct 8 ms 5120 KB Output is correct
17 Correct 4 ms 5120 KB Output is correct
18 Correct 9 ms 5120 KB Output is correct
19 Correct 4 ms 5120 KB Output is correct
20 Correct 4 ms 5120 KB Output is correct
21 Correct 11 ms 5120 KB Output is correct
22 Correct 4 ms 5120 KB Output is correct
23 Correct 10 ms 5248 KB Output is correct
24 Correct 9 ms 5248 KB Output is correct
25 Correct 10 ms 5248 KB Output is correct
26 Correct 10 ms 5248 KB Output is correct
27 Correct 10 ms 5248 KB Output is correct
28 Correct 10 ms 5248 KB Output is correct
29 Correct 10 ms 5248 KB Output is correct
30 Correct 10 ms 5248 KB Output is correct
31 Correct 9 ms 5248 KB Output is correct
32 Correct 303 ms 5248 KB Output is correct
33 Correct 232 ms 5248 KB Output is correct
34 Correct 183 ms 5368 KB Output is correct
35 Correct 146 ms 5248 KB Output is correct
36 Correct 258 ms 5248 KB Output is correct
37 Correct 260 ms 5248 KB Output is correct
38 Correct 306 ms 5496 KB Output is correct
39 Correct 13 ms 5248 KB Output is correct
40 Correct 357 ms 5248 KB Output is correct
41 Correct 18 ms 5248 KB Output is correct
42 Correct 14 ms 5152 KB Output is correct
43 Correct 355 ms 5248 KB Output is correct
44 Correct 14 ms 5248 KB Output is correct
45 Runtime error 174 ms 33872 KB Execution killed with signal 11 (could be triggered by violating memory limits)
46 Halted 0 ms 0 KB -