Submission #209943

# Submission time Handle Problem Language Result Execution time Memory
209943 2020-03-16T03:42:15 Z super_j6 Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
2547 ms 232452 KB
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <vector>
#include <stack>
using namespace std;
#define endl '\n'
#define pi pair<int, int>

struct segTree{
	int l, r;
	segTree *left, *right;
	int val = 0;
	
	segTree(int a, int b){
		l = a;
		r = b;
		
		if(l != r){
			int mid = (l + r) / 2;
			left = new segTree(l, mid);
			right = new segTree(mid + 1, r);
		}
	}
	
	void add(int x, int v){
		if(x < l || r < x) return;
		if(l == r){
			val = max(val, v);
			return;
		}
		
		left->add(x, v);
		right->add(x, v);
		val = max(left->val, right->val);
	}
	
	int qry(int a, int b){
		if(r < a || b < l) return 0;
		if(a <= l && r <= b) return val;
		
		return max(left->qry(a, b), right->qry(a, b));
	}
};

const int maxn = 1000000;
int n, q;
int a[maxn], l[maxn], r[maxn], s[maxn];
vector<int> p[maxn], qry[maxn];
stack<int> stk;
int ans[maxn];

int main(){
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	
	cin >> n >> q;
	
	for(int i = 0; i < n; i++){
		cin >> a[i];
		while(!stk.empty() && a[stk.top()] <= a[i]) stk.pop();
		if(!stk.empty()) p[stk.top()].push_back(i);
		stk.push(i);
	}
	
	for(int i = 0; i < q; i++){
		cin >> l[i] >> r[i] >> s[i];
		l[i]--, r[i]--;
		qry[l[i]].push_back(i);
	}
	
	segTree tre(0, n);
	for(int i = n - 1; i >= 0; i--){
		for(int j : p[i]) tre.add(j, a[i] + a[j]);
		for(int j : qry[i]) ans[j] = tre.qry(i, r[j]) <= s[j];
	}
	
	for(int i = 0; i < q; i++) cout << ans[i] << endl;

	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 31 ms 47356 KB Output is correct
2 Correct 31 ms 47352 KB Output is correct
3 Correct 30 ms 47352 KB Output is correct
4 Correct 31 ms 47352 KB Output is correct
5 Correct 31 ms 47352 KB Output is correct
6 Correct 31 ms 47480 KB Output is correct
7 Correct 33 ms 47352 KB Output is correct
8 Correct 32 ms 47352 KB Output is correct
9 Correct 32 ms 47352 KB Output is correct
10 Correct 32 ms 47352 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 31 ms 47356 KB Output is correct
2 Correct 31 ms 47352 KB Output is correct
3 Correct 30 ms 47352 KB Output is correct
4 Correct 31 ms 47352 KB Output is correct
5 Correct 31 ms 47352 KB Output is correct
6 Correct 31 ms 47480 KB Output is correct
7 Correct 33 ms 47352 KB Output is correct
8 Correct 32 ms 47352 KB Output is correct
9 Correct 32 ms 47352 KB Output is correct
10 Correct 32 ms 47352 KB Output is correct
11 Correct 32 ms 47612 KB Output is correct
12 Correct 36 ms 48120 KB Output is correct
13 Correct 37 ms 48120 KB Output is correct
14 Correct 38 ms 48248 KB Output is correct
15 Correct 37 ms 48248 KB Output is correct
16 Correct 36 ms 47992 KB Output is correct
17 Correct 36 ms 47992 KB Output is correct
18 Correct 35 ms 48120 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2486 ms 197544 KB Output is correct
2 Correct 2494 ms 196988 KB Output is correct
3 Correct 2547 ms 197112 KB Output is correct
4 Correct 2536 ms 196932 KB Output is correct
5 Correct 2210 ms 180728 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 187 ms 62968 KB Output is correct
2 Correct 149 ms 63352 KB Output is correct
3 Correct 150 ms 62584 KB Output is correct
4 Correct 161 ms 62840 KB Output is correct
5 Correct 157 ms 62840 KB Output is correct
6 Correct 111 ms 61304 KB Output is correct
7 Correct 117 ms 61304 KB Output is correct
8 Correct 144 ms 62068 KB Output is correct
9 Correct 79 ms 50932 KB Output is correct
10 Correct 144 ms 62068 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 31 ms 47356 KB Output is correct
2 Correct 31 ms 47352 KB Output is correct
3 Correct 30 ms 47352 KB Output is correct
4 Correct 31 ms 47352 KB Output is correct
5 Correct 31 ms 47352 KB Output is correct
6 Correct 31 ms 47480 KB Output is correct
7 Correct 33 ms 47352 KB Output is correct
8 Correct 32 ms 47352 KB Output is correct
9 Correct 32 ms 47352 KB Output is correct
10 Correct 32 ms 47352 KB Output is correct
11 Correct 32 ms 47612 KB Output is correct
12 Correct 36 ms 48120 KB Output is correct
13 Correct 37 ms 48120 KB Output is correct
14 Correct 38 ms 48248 KB Output is correct
15 Correct 37 ms 48248 KB Output is correct
16 Correct 36 ms 47992 KB Output is correct
17 Correct 36 ms 47992 KB Output is correct
18 Correct 35 ms 48120 KB Output is correct
19 Correct 415 ms 83192 KB Output is correct
20 Correct 417 ms 84256 KB Output is correct
21 Correct 302 ms 81656 KB Output is correct
22 Correct 294 ms 81528 KB Output is correct
23 Correct 297 ms 81528 KB Output is correct
24 Correct 232 ms 78072 KB Output is correct
25 Correct 234 ms 78072 KB Output is correct
26 Correct 294 ms 79224 KB Output is correct
27 Correct 287 ms 79224 KB Output is correct
28 Correct 314 ms 79808 KB Output is correct
29 Correct 355 ms 81016 KB Output is correct
30 Correct 342 ms 81020 KB Output is correct
31 Correct 360 ms 80888 KB Output is correct
32 Correct 350 ms 80888 KB Output is correct
33 Correct 352 ms 80888 KB Output is correct
34 Correct 220 ms 77688 KB Output is correct
35 Correct 213 ms 77688 KB Output is correct
36 Correct 212 ms 77560 KB Output is correct
37 Correct 215 ms 77432 KB Output is correct
38 Correct 218 ms 77688 KB Output is correct
39 Correct 302 ms 79220 KB Output is correct
40 Correct 247 ms 70512 KB Output is correct
41 Correct 307 ms 78196 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 31 ms 47356 KB Output is correct
2 Correct 31 ms 47352 KB Output is correct
3 Correct 30 ms 47352 KB Output is correct
4 Correct 31 ms 47352 KB Output is correct
5 Correct 31 ms 47352 KB Output is correct
6 Correct 31 ms 47480 KB Output is correct
7 Correct 33 ms 47352 KB Output is correct
8 Correct 32 ms 47352 KB Output is correct
9 Correct 32 ms 47352 KB Output is correct
10 Correct 32 ms 47352 KB Output is correct
11 Correct 32 ms 47612 KB Output is correct
12 Correct 36 ms 48120 KB Output is correct
13 Correct 37 ms 48120 KB Output is correct
14 Correct 38 ms 48248 KB Output is correct
15 Correct 37 ms 48248 KB Output is correct
16 Correct 36 ms 47992 KB Output is correct
17 Correct 36 ms 47992 KB Output is correct
18 Correct 35 ms 48120 KB Output is correct
19 Correct 2486 ms 197544 KB Output is correct
20 Correct 2494 ms 196988 KB Output is correct
21 Correct 2547 ms 197112 KB Output is correct
22 Correct 2536 ms 196932 KB Output is correct
23 Correct 2210 ms 180728 KB Output is correct
24 Correct 187 ms 62968 KB Output is correct
25 Correct 149 ms 63352 KB Output is correct
26 Correct 150 ms 62584 KB Output is correct
27 Correct 161 ms 62840 KB Output is correct
28 Correct 157 ms 62840 KB Output is correct
29 Correct 111 ms 61304 KB Output is correct
30 Correct 117 ms 61304 KB Output is correct
31 Correct 144 ms 62068 KB Output is correct
32 Correct 79 ms 50932 KB Output is correct
33 Correct 144 ms 62068 KB Output is correct
34 Correct 415 ms 83192 KB Output is correct
35 Correct 417 ms 84256 KB Output is correct
36 Correct 302 ms 81656 KB Output is correct
37 Correct 294 ms 81528 KB Output is correct
38 Correct 297 ms 81528 KB Output is correct
39 Correct 232 ms 78072 KB Output is correct
40 Correct 234 ms 78072 KB Output is correct
41 Correct 294 ms 79224 KB Output is correct
42 Correct 287 ms 79224 KB Output is correct
43 Correct 314 ms 79808 KB Output is correct
44 Correct 355 ms 81016 KB Output is correct
45 Correct 342 ms 81020 KB Output is correct
46 Correct 360 ms 80888 KB Output is correct
47 Correct 350 ms 80888 KB Output is correct
48 Correct 352 ms 80888 KB Output is correct
49 Correct 220 ms 77688 KB Output is correct
50 Correct 213 ms 77688 KB Output is correct
51 Correct 212 ms 77560 KB Output is correct
52 Correct 215 ms 77432 KB Output is correct
53 Correct 218 ms 77688 KB Output is correct
54 Correct 302 ms 79220 KB Output is correct
55 Correct 247 ms 70512 KB Output is correct
56 Correct 307 ms 78196 KB Output is correct
57 Correct 2498 ms 232392 KB Output is correct
58 Correct 2453 ms 232452 KB Output is correct
59 Correct 2307 ms 226740 KB Output is correct
60 Correct 2255 ms 226792 KB Output is correct
61 Correct 2317 ms 226792 KB Output is correct
62 Correct 2353 ms 226744 KB Output is correct
63 Correct 1136 ms 199672 KB Output is correct
64 Correct 1117 ms 199664 KB Output is correct
65 Correct 1973 ms 209656 KB Output is correct
66 Correct 1933 ms 209640 KB Output is correct
67 Correct 1978 ms 210272 KB Output is correct
68 Correct 2154 ms 216160 KB Output is correct
69 Correct 2193 ms 216160 KB Output is correct
70 Correct 2121 ms 215288 KB Output is correct
71 Correct 2100 ms 215400 KB Output is correct
72 Correct 2155 ms 215392 KB Output is correct
73 Correct 1030 ms 197872 KB Output is correct
74 Correct 1079 ms 198764 KB Output is correct
75 Correct 1018 ms 197892 KB Output is correct
76 Correct 1061 ms 197752 KB Output is correct
77 Correct 1079 ms 197936 KB Output is correct
78 Correct 1889 ms 208068 KB Output is correct
79 Correct 1377 ms 149740 KB Output is correct
80 Correct 1857 ms 202928 KB Output is correct