oj.uz

Submission #659036

# Submission time Handle Problem Language Result Execution time Memory
659036 2022-11-16T03:47:32 Z dkblossom Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
 1855 ms 135916 KB 
#include<bits/stdc++.h>
using namespace std;

#pragma gcc optimize("ofast")

#define nn '\n'
#define ll long long
#define pb emplace_back
#define pii pair<int,int>
#define pli pair<ll,int>
#define pil pair<int,ll>
#define pll pair<ll,ll>
#define ff first
#define ss second

const ll maxn = 1000005;
const ll maxm = 1000005;
const ll mod = 100000000000000007;
const ll inf = mod*2;

struct BIT{
	int arr[maxn];
	int n;

	BIT(int k){
		n = k;
		for(int i=1;i<=n;i++) arr[i] = 0;
	}

	void modify(int x, int pos){
		for(int i=pos;i<=n;i+=i&-i) arr[i] = max(arr[i],x);
	}

	int query(int pos){
		int res = 0;
		for(int i=pos;i>0;i-=i&-i) res = max(res,arr[i]);
		return res;
	}
};

struct query{
	int r, x, pos;
	query(int a, int b, int c):r(a),x(b),pos(c){}
};

int main(){
	int n, q;
	int arr[maxn];
	vector<query> que[maxn];
	int ans[maxn];
	int a, b, c;
	vector<pii> mod[maxn];
	
	cin >> n >> q;

	for(int i=1;i<=n;i++) cin >> arr[i];

	for(int i=1;i<=q;i++){
		cin >> a >> b >> c;
		que[a].pb(query(b,c,i));
	}

	vector<int> stk;
	for(int i=1;i<=n;i++){
		while(stk.size() && arr[stk.back()]<=arr[i]) stk.pop_back();
		if(stk.size()) mod[stk.back()].pb(make_pair(i,arr[i]+arr[stk.back()]));
		stk.pb(i);
	}

	BIT bit(n);

	for(int i=n;i>0;i--){
		for(auto k:mod[i]) bit.modify(k.ss,k.ff);
		for(auto k:que[i]) ans[k.pos] = bit.query(k.r)<=k.x;
	}

	for(int i=1;i<=q;i++) cout << ans[i] << nn;
}

Compilation message

sortbooks.cpp:4: warning: ignoring '#pragma gcc optimize' [-Wunknown-pragmas]
    4 | #pragma gcc optimize("ofast")
      |

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 58956 KB Output is correct
2 Correct 43 ms 58944 KB Output is correct
3 Correct 39 ms 58964 KB Output is correct
4 Correct 36 ms 59004 KB Output is correct
5 Correct 36 ms 58912 KB Output is correct
6 Correct 39 ms 58964 KB Output is correct
7 Correct 39 ms 58996 KB Output is correct
8 Correct 38 ms 58956 KB Output is correct
9 Correct 41 ms 58892 KB Output is correct
10 Correct 39 ms 58996 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 58956 KB Output is correct
2 Correct 43 ms 58944 KB Output is correct
3 Correct 39 ms 58964 KB Output is correct
4 Correct 36 ms 59004 KB Output is correct
5 Correct 36 ms 58912 KB Output is correct
6 Correct 39 ms 58964 KB Output is correct
7 Correct 39 ms 58996 KB Output is correct
8 Correct 38 ms 58956 KB Output is correct
9 Correct 41 ms 58892 KB Output is correct
10 Correct 39 ms 58996 KB Output is correct
11 Correct 40 ms 59120 KB Output is correct
12 Correct 46 ms 59236 KB Output is correct
13 Correct 42 ms 59176 KB Output is correct
14 Correct 46 ms 59336 KB Output is correct
15 Correct 50 ms 59340 KB Output is correct
16 Correct 38 ms 59212 KB Output is correct
17 Correct 39 ms 59188 KB Output is correct
18 Correct 38 ms 59180 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1716 ms 101352 KB Output is correct
2 Correct 1799 ms 101352 KB Output is correct
3 Correct 1755 ms 101344 KB Output is correct
4 Correct 1724 ms 101340 KB Output is correct
5 Correct 1633 ms 82796 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 170 ms 63304 KB Output is correct
2 Correct 156 ms 64800 KB Output is correct
3 Correct 144 ms 63208 KB Output is correct
4 Correct 141 ms 63364 KB Output is correct
5 Correct 149 ms 63432 KB Output is correct
6 Correct 125 ms 62936 KB Output is correct
7 Correct 127 ms 62940 KB Output is correct
8 Correct 132 ms 63428 KB Output is correct
9 Correct 105 ms 62016 KB Output is correct
10 Correct 127 ms 63536 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 58956 KB Output is correct
2 Correct 43 ms 58944 KB Output is correct
3 Correct 39 ms 58964 KB Output is correct
4 Correct 36 ms 59004 KB Output is correct
5 Correct 36 ms 58912 KB Output is correct
6 Correct 39 ms 58964 KB Output is correct
7 Correct 39 ms 58996 KB Output is correct
8 Correct 38 ms 58956 KB Output is correct
9 Correct 41 ms 58892 KB Output is correct
10 Correct 39 ms 58996 KB Output is correct
11 Correct 40 ms 59120 KB Output is correct
12 Correct 46 ms 59236 KB Output is correct
13 Correct 42 ms 59176 KB Output is correct
14 Correct 46 ms 59336 KB Output is correct
15 Correct 50 ms 59340 KB Output is correct
16 Correct 38 ms 59212 KB Output is correct
17 Correct 39 ms 59188 KB Output is correct
18 Correct 38 ms 59180 KB Output is correct
19 Correct 359 ms 74196 KB Output is correct
20 Correct 363 ms 74168 KB Output is correct
21 Correct 328 ms 73128 KB Output is correct
22 Correct 334 ms 73060 KB Output is correct
23 Correct 326 ms 73060 KB Output is correct
24 Correct 302 ms 69580 KB Output is correct
25 Correct 307 ms 69744 KB Output is correct
26 Correct 316 ms 69972 KB Output is correct
27 Correct 369 ms 70048 KB Output is correct
28 Correct 330 ms 70088 KB Output is correct
29 Correct 333 ms 70500 KB Output is correct
30 Correct 336 ms 70476 KB Output is correct
31 Correct 350 ms 70544 KB Output is correct
32 Correct 348 ms 70516 KB Output is correct
33 Correct 348 ms 70424 KB Output is correct
34 Correct 308 ms 68928 KB Output is correct
35 Correct 288 ms 69032 KB Output is correct
36 Correct 301 ms 68688 KB Output is correct
37 Correct 288 ms 68764 KB Output is correct
38 Correct 322 ms 68944 KB Output is correct
39 Correct 292 ms 69400 KB Output is correct
40 Correct 248 ms 67844 KB Output is correct
41 Correct 275 ms 69360 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 58956 KB Output is correct
2 Correct 43 ms 58944 KB Output is correct
3 Correct 39 ms 58964 KB Output is correct
4 Correct 36 ms 59004 KB Output is correct
5 Correct 36 ms 58912 KB Output is correct
6 Correct 39 ms 58964 KB Output is correct
7 Correct 39 ms 58996 KB Output is correct
8 Correct 38 ms 58956 KB Output is correct
9 Correct 41 ms 58892 KB Output is correct
10 Correct 39 ms 58996 KB Output is correct
11 Correct 40 ms 59120 KB Output is correct
12 Correct 46 ms 59236 KB Output is correct
13 Correct 42 ms 59176 KB Output is correct
14 Correct 46 ms 59336 KB Output is correct
15 Correct 50 ms 59340 KB Output is correct
16 Correct 38 ms 59212 KB Output is correct
17 Correct 39 ms 59188 KB Output is correct
18 Correct 38 ms 59180 KB Output is correct
19 Correct 1716 ms 101352 KB Output is correct
20 Correct 1799 ms 101352 KB Output is correct
21 Correct 1755 ms 101344 KB Output is correct
22 Correct 1724 ms 101340 KB Output is correct
23 Correct 1633 ms 82796 KB Output is correct
24 Correct 170 ms 63304 KB Output is correct
25 Correct 156 ms 64800 KB Output is correct
26 Correct 144 ms 63208 KB Output is correct
27 Correct 141 ms 63364 KB Output is correct
28 Correct 149 ms 63432 KB Output is correct
29 Correct 125 ms 62936 KB Output is correct
30 Correct 127 ms 62940 KB Output is correct
31 Correct 132 ms 63428 KB Output is correct
32 Correct 105 ms 62016 KB Output is correct
33 Correct 127 ms 63536 KB Output is correct
34 Correct 359 ms 74196 KB Output is correct
35 Correct 363 ms 74168 KB Output is correct
36 Correct 328 ms 73128 KB Output is correct
37 Correct 334 ms 73060 KB Output is correct
38 Correct 326 ms 73060 KB Output is correct
39 Correct 302 ms 69580 KB Output is correct
40 Correct 307 ms 69744 KB Output is correct
41 Correct 316 ms 69972 KB Output is correct
42 Correct 369 ms 70048 KB Output is correct
43 Correct 330 ms 70088 KB Output is correct
44 Correct 333 ms 70500 KB Output is correct
45 Correct 336 ms 70476 KB Output is correct
46 Correct 350 ms 70544 KB Output is correct
47 Correct 348 ms 70516 KB Output is correct
48 Correct 348 ms 70424 KB Output is correct
49 Correct 308 ms 68928 KB Output is correct
50 Correct 288 ms 69032 KB Output is correct
51 Correct 301 ms 68688 KB Output is correct
52 Correct 288 ms 68764 KB Output is correct
53 Correct 322 ms 68944 KB Output is correct
54 Correct 292 ms 69400 KB Output is correct
55 Correct 248 ms 67844 KB Output is correct
56 Correct 275 ms 69360 KB Output is correct
57 Correct 1855 ms 135916 KB Output is correct
58 Correct 1805 ms 135904 KB Output is correct
59 Correct 1753 ms 133208 KB Output is correct
60 Correct 1785 ms 133192 KB Output is correct
61 Correct 1730 ms 133240 KB Output is correct
62 Correct 1745 ms 133280 KB Output is correct
63 Correct 1373 ms 109300 KB Output is correct
64 Correct 1361 ms 109328 KB Output is correct
65 Correct 1662 ms 115168 KB Output is correct
66 Correct 1703 ms 114776 KB Output is correct
67 Correct 1645 ms 114804 KB Output is correct
68 Correct 1696 ms 116968 KB Output is correct
69 Correct 1719 ms 117176 KB Output is correct
70 Correct 1809 ms 116544 KB Output is correct
71 Correct 1763 ms 116520 KB Output is correct
72 Correct 1720 ms 116460 KB Output is correct
73 Correct 1298 ms 106844 KB Output is correct
74 Correct 1332 ms 107724 KB Output is correct
75 Correct 1307 ms 106944 KB Output is correct
76 Correct 1305 ms 106808 KB Output is correct
77 Correct 1302 ms 106880 KB Output is correct
78 Correct 1507 ms 113076 KB Output is correct
79 Correct 1166 ms 102096 KB Output is correct
80 Correct 1314 ms 111852 KB Output is correct