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답안 #155528

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
155528 2019-09-28T21:36:08 Z qkxwsm Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
 987 ms 103264 KB 
#include <bits/stdc++.h>

using namespace std;

template<class T, class U>
void ckmin(T &a, U b)
{
	if (a > b) a = b;
}
template<class T, class U>
void ckmax(T &a, U b)
{
	if (a < b) a = b;
}

#define MP make_pair
#define PB push_back
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define FOR(i, a, b) for (auto i = (a); i < (b); i++)
#define FORD(i, a, b) for (auto i = (a) - 1; i >= (b); i--)
#define SZ(x) ((int) ((x).size()))
#define ALL(x) (x).begin(), (x).end()
#define MAXN 1000013

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpi;
typedef vector<pll> vpl;
typedef pair<pii, pii> ppp;

int N, Q;
int arr[MAXN];
int pos[MAXN];
vpi guys;
vector<ppp> quer;
vi upds[MAXN];
bitset<MAXN> ans;
int fen[MAXN];

void update(int idx, int v)
{
	for (int e = idx + 1; e <= N; e += e & (-e)) ckmax(fen[e], v);
}
int query(int idx)
{
	int res = 0;
	for (int e = idx + 1; e; e -= e & (-e)) ckmax(res, fen[e]);
	return res;
}

//max (a[i] + a[j]) such that a[i] > a[j]

int32_t main()
{
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin >> N >> Q;
	FOR(i, 0, N)
	{
		cin >> arr[i];
	}
	FOR(i, 0, Q)
	{
		int l, r, v; cin >> l >> r >> v; l--; r--;
		quer.PB({{l, r}, {v, i}});
	}
	guys.PB({1000000013, -1});
	FOR(i, 0, N)
	{
		while(guys.back().fi <= arr[i])
		{
			guys.pop_back();
		}
		pos[i] = guys.back().se;
		guys.PB({arr[i], i});
		upds[pos[i]].PB(i);
	}
	sort(ALL(quer));
	int iter = Q - 1;
	FORD(i, N, 0)
	{
		for (int x : upds[i])
		{
			update(x, arr[i] + arr[x]);
		}
		while(iter >= 0 && quer[iter].fi.fi == i)
		{
			int l = quer[iter].fi.fi, r = quer[iter].fi.se, v = quer[iter].se.fi, qid = quer[iter].se.se;
			ans[qid] = (query(r) > v);
			// cerr << qid << ',' << query(r) << endl;
			iter--;
		}
	}
	//find the first guy > x on left.
	//left, right, value, qid;
	FOR(i, 0, Q)
	{
		cout << (ans[i] ? 0 : 1) << '\n';
	}
}

Compilation message

sortbooks.cpp: In function 'int32_t main()':
sortbooks.cpp:94:8: warning: unused variable 'l' [-Wunused-variable]
    int l = quer[iter].fi.fi, r = quer[iter].fi.se, v = quer[iter].se.fi, qid = quer[iter].se.se;
        ^

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 23928 KB Output is correct
2 Correct 23 ms 23800 KB Output is correct
3 Correct 28 ms 23800 KB Output is correct
4 Correct 23 ms 23800 KB Output is correct
5 Correct 23 ms 23928 KB Output is correct
6 Correct 27 ms 23928 KB Output is correct
7 Correct 28 ms 23928 KB Output is correct
8 Correct 31 ms 23928 KB Output is correct
9 Correct 24 ms 23800 KB Output is correct
10 Correct 27 ms 23928 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 23928 KB Output is correct
2 Correct 23 ms 23800 KB Output is correct
3 Correct 28 ms 23800 KB Output is correct
4 Correct 23 ms 23800 KB Output is correct
5 Correct 23 ms 23928 KB Output is correct
6 Correct 27 ms 23928 KB Output is correct
7 Correct 28 ms 23928 KB Output is correct
8 Correct 31 ms 23928 KB Output is correct
9 Correct 24 ms 23800 KB Output is correct
10 Correct 27 ms 23928 KB Output is correct
11 Correct 28 ms 24184 KB Output is correct
12 Correct 30 ms 24184 KB Output is correct
13 Correct 32 ms 24316 KB Output is correct
14 Correct 28 ms 24312 KB Output is correct
15 Correct 27 ms 24312 KB Output is correct
16 Correct 27 ms 24280 KB Output is correct
17 Correct 25 ms 24184 KB Output is correct
18 Correct 26 ms 24184 KB Output is correct

Subtask #3
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 959 ms 69696 KB Output is correct
2 Correct 953 ms 73900 KB Output is correct
3 Correct 945 ms 73952 KB Output is correct
4 Correct 935 ms 73884 KB Output is correct
5 Correct 820 ms 61888 KB Output is correct

Subtask #4
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 100 ms 28468 KB Output is correct
2 Correct 102 ms 30436 KB Output is correct
3 Correct 89 ms 29288 KB Output is correct
4 Correct 88 ms 29288 KB Output is correct
5 Correct 95 ms 29272 KB Output is correct
6 Correct 88 ms 29160 KB Output is correct
7 Correct 92 ms 29328 KB Output is correct
8 Correct 86 ms 28904 KB Output is correct
9 Correct 75 ms 27112 KB Output is correct
10 Correct 90 ms 28868 KB Output is correct

Subtask #5
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 23928 KB Output is correct
2 Correct 23 ms 23800 KB Output is correct
3 Correct 28 ms 23800 KB Output is correct
4 Correct 23 ms 23800 KB Output is correct
5 Correct 23 ms 23928 KB Output is correct
6 Correct 27 ms 23928 KB Output is correct
7 Correct 28 ms 23928 KB Output is correct
8 Correct 31 ms 23928 KB Output is correct
9 Correct 24 ms 23800 KB Output is correct
10 Correct 27 ms 23928 KB Output is correct
11 Correct 28 ms 24184 KB Output is correct
12 Correct 30 ms 24184 KB Output is correct
13 Correct 32 ms 24316 KB Output is correct
14 Correct 28 ms 24312 KB Output is correct
15 Correct 27 ms 24312 KB Output is correct
16 Correct 27 ms 24280 KB Output is correct
17 Correct 25 ms 24184 KB Output is correct
18 Correct 26 ms 24184 KB Output is correct
19 Correct 209 ms 39636 KB Output is correct
20 Correct 209 ms 39708 KB Output is correct
21 Correct 203 ms 39484 KB Output is correct
22 Correct 202 ms 39424 KB Output is correct
23 Correct 207 ms 39392 KB Output is correct
24 Correct 182 ms 37160 KB Output is correct
25 Correct 177 ms 37092 KB Output is correct
26 Correct 181 ms 37300 KB Output is correct
27 Correct 181 ms 37376 KB Output is correct
28 Correct 182 ms 37272 KB Output is correct
29 Correct 191 ms 37424 KB Output is correct
30 Correct 183 ms 37320 KB Output is correct
31 Correct 182 ms 37496 KB Output is correct
32 Correct 182 ms 37344 KB Output is correct
33 Correct 188 ms 37416 KB Output is correct
34 Correct 186 ms 37020 KB Output is correct
35 Correct 187 ms 37084 KB Output is correct
36 Correct 194 ms 36968 KB Output is correct
37 Correct 185 ms 36832 KB Output is correct
38 Correct 188 ms 37220 KB Output is correct
39 Correct 187 ms 36576 KB Output is correct
40 Correct 160 ms 34056 KB Output is correct
41 Correct 175 ms 35536 KB Output is correct

Subtask #6
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 23928 KB Output is correct
2 Correct 23 ms 23800 KB Output is correct
3 Correct 28 ms 23800 KB Output is correct
4 Correct 23 ms 23800 KB Output is correct
5 Correct 23 ms 23928 KB Output is correct
6 Correct 27 ms 23928 KB Output is correct
7 Correct 28 ms 23928 KB Output is correct
8 Correct 31 ms 23928 KB Output is correct
9 Correct 24 ms 23800 KB Output is correct
10 Correct 27 ms 23928 KB Output is correct
11 Correct 28 ms 24184 KB Output is correct
12 Correct 30 ms 24184 KB Output is correct
13 Correct 32 ms 24316 KB Output is correct
14 Correct 28 ms 24312 KB Output is correct
15 Correct 27 ms 24312 KB Output is correct
16 Correct 27 ms 24280 KB Output is correct
17 Correct 25 ms 24184 KB Output is correct
18 Correct 26 ms 24184 KB Output is correct
19 Correct 959 ms 69696 KB Output is correct
20 Correct 953 ms 73900 KB Output is correct
21 Correct 945 ms 73952 KB Output is correct
22 Correct 935 ms 73884 KB Output is correct
23 Correct 820 ms 61888 KB Output is correct
24 Correct 100 ms 28468 KB Output is correct
25 Correct 102 ms 30436 KB Output is correct
26 Correct 89 ms 29288 KB Output is correct
27 Correct 88 ms 29288 KB Output is correct
28 Correct 95 ms 29272 KB Output is correct
29 Correct 88 ms 29160 KB Output is correct
30 Correct 92 ms 29328 KB Output is correct
31 Correct 86 ms 28904 KB Output is correct
32 Correct 75 ms 27112 KB Output is correct
33 Correct 90 ms 28868 KB Output is correct
34 Correct 209 ms 39636 KB Output is correct
35 Correct 209 ms 39708 KB Output is correct
36 Correct 203 ms 39484 KB Output is correct
37 Correct 202 ms 39424 KB Output is correct
38 Correct 207 ms 39392 KB Output is correct
39 Correct 182 ms 37160 KB Output is correct
40 Correct 177 ms 37092 KB Output is correct
41 Correct 181 ms 37300 KB Output is correct
42 Correct 181 ms 37376 KB Output is correct
43 Correct 182 ms 37272 KB Output is correct
44 Correct 191 ms 37424 KB Output is correct
45 Correct 183 ms 37320 KB Output is correct
46 Correct 182 ms 37496 KB Output is correct
47 Correct 182 ms 37344 KB Output is correct
48 Correct 188 ms 37416 KB Output is correct
49 Correct 186 ms 37020 KB Output is correct
50 Correct 187 ms 37084 KB Output is correct
51 Correct 194 ms 36968 KB Output is correct
52 Correct 185 ms 36832 KB Output is correct
53 Correct 188 ms 37220 KB Output is correct
54 Correct 187 ms 36576 KB Output is correct
55 Correct 160 ms 34056 KB Output is correct
56 Correct 175 ms 35536 KB Output is correct
57 Correct 958 ms 103264 KB Output is correct
58 Correct 956 ms 103196 KB Output is correct
59 Correct 954 ms 103136 KB Output is correct
60 Correct 963 ms 103144 KB Output is correct
61 Correct 969 ms 103140 KB Output is correct
62 Correct 987 ms 103156 KB Output is correct
63 Correct 828 ms 89120 KB Output is correct
64 Correct 809 ms 89124 KB Output is correct
65 Correct 864 ms 91084 KB Output is correct
66 Correct 861 ms 91072 KB Output is correct
67 Correct 828 ms 91000 KB Output is correct
68 Correct 827 ms 90988 KB Output is correct
69 Correct 842 ms 91200 KB Output is correct
70 Correct 835 ms 91276 KB Output is correct
71 Correct 847 ms 91052 KB Output is correct
72 Correct 884 ms 91020 KB Output is correct
73 Correct 835 ms 87604 KB Output is correct
74 Correct 884 ms 88676 KB Output is correct
75 Correct 821 ms 87536 KB Output is correct
76 Correct 818 ms 87692 KB Output is correct
77 Correct 797 ms 87560 KB Output is correct
78 Correct 822 ms 88268 KB Output is correct
79 Correct 723 ms 73024 KB Output is correct
80 Correct 762 ms 81852 KB Output is correct