oj.uz

답안 #262334

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
262334 2020-08-12T16:30:29 Z easrui 별자리 3 (JOI20_constellation3) C++14
35 / 100
 367 ms 37624 KB 
#include <bits/stdc++.h>
#define va first
#define vb second
#define all(x) (x).begin(), (x).end()
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<pii,int> ppi;
typedef pair<int,pii> pip;

const int MN = 2e5+5;
const int MOD = 1e9+7;
const int INF = 1e9;

int N,A[MN],X[MN],Y[MN],C[MN],T[MN];
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()
{
	
    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 5104 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 5120 KB Output is correct
13 Correct 6 ms 5120 KB Output is correct
14 Correct 6 ms 5120 KB Output is correct
15 Correct 8 ms 5120 KB Output is correct
16 Correct 9 ms 5120 KB Output is correct
17 Correct 5 ms 5120 KB Output is correct
18 Correct 11 ms 5120 KB Output is correct
19 Correct 5 ms 5120 KB Output is correct
20 Correct 4 ms 5120 KB Output is correct
21 Correct 9 ms 5120 KB Output is correct
22 Correct 5 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 5104 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 5120 KB Output is correct
13 Correct 6 ms 5120 KB Output is correct
14 Correct 6 ms 5120 KB Output is correct
15 Correct 8 ms 5120 KB Output is correct
16 Correct 9 ms 5120 KB Output is correct
17 Correct 5 ms 5120 KB Output is correct
18 Correct 11 ms 5120 KB Output is correct
19 Correct 5 ms 5120 KB Output is correct
20 Correct 4 ms 5120 KB Output is correct
21 Correct 9 ms 5120 KB Output is correct
22 Correct 5 ms 5120 KB Output is correct
23 Correct 10 ms 5224 KB Output is correct
24 Correct 10 ms 5280 KB Output is correct
25 Correct 10 ms 5248 KB Output is correct
26 Correct 11 ms 5248 KB Output is correct
27 Correct 10 ms 5248 KB Output is correct
28 Correct 9 ms 5248 KB Output is correct
29 Correct 11 ms 5248 KB Output is correct
30 Correct 14 ms 5248 KB Output is correct
31 Correct 13 ms 5248 KB Output is correct
32 Correct 302 ms 5496 KB Output is correct
33 Correct 226 ms 5248 KB Output is correct
34 Correct 193 ms 5368 KB Output is correct
35 Correct 148 ms 5248 KB Output is correct
36 Correct 248 ms 5376 KB Output is correct
37 Correct 257 ms 5368 KB Output is correct
38 Correct 311 ms 5496 KB Output is correct
39 Correct 13 ms 5376 KB Output is correct
40 Correct 362 ms 5388 KB Output is correct
41 Correct 17 ms 5248 KB Output is correct
42 Correct 13 ms 5248 KB Output is correct
43 Correct 367 ms 5400 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 5104 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 5120 KB Output is correct
13 Correct 6 ms 5120 KB Output is correct
14 Correct 6 ms 5120 KB Output is correct
15 Correct 8 ms 5120 KB Output is correct
16 Correct 9 ms 5120 KB Output is correct
17 Correct 5 ms 5120 KB Output is correct
18 Correct 11 ms 5120 KB Output is correct
19 Correct 5 ms 5120 KB Output is correct
20 Correct 4 ms 5120 KB Output is correct
21 Correct 9 ms 5120 KB Output is correct
22 Correct 5 ms 5120 KB Output is correct
23 Correct 10 ms 5224 KB Output is correct
24 Correct 10 ms 5280 KB Output is correct
25 Correct 10 ms 5248 KB Output is correct
26 Correct 11 ms 5248 KB Output is correct
27 Correct 10 ms 5248 KB Output is correct
28 Correct 9 ms 5248 KB Output is correct
29 Correct 11 ms 5248 KB Output is correct
30 Correct 14 ms 5248 KB Output is correct
31 Correct 13 ms 5248 KB Output is correct
32 Correct 302 ms 5496 KB Output is correct
33 Correct 226 ms 5248 KB Output is correct
34 Correct 193 ms 5368 KB Output is correct
35 Correct 148 ms 5248 KB Output is correct
36 Correct 248 ms 5376 KB Output is correct
37 Correct 257 ms 5368 KB Output is correct
38 Correct 311 ms 5496 KB Output is correct
39 Correct 13 ms 5376 KB Output is correct
40 Correct 362 ms 5388 KB Output is correct
41 Correct 17 ms 5248 KB Output is correct
42 Correct 13 ms 5248 KB Output is correct
43 Correct 367 ms 5400 KB Output is correct
44 Correct 14 ms 5248 KB Output is correct
45 Runtime error 191 ms 37624 KB Execution killed with signal 11 (could be triggered by violating memory limits)
46 Halted 0 ms 0 KB -