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Submission #384161

# Submission time Handle Problem Language Result Execution time Memory
384161 2021-03-31T15:31:42 Z patrikpavic2 Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 2926 ms 114852 KB 
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <vector>
#include <stack>

#define PB push_back

using namespace std;

const int N = 1e6 + 500;
const int OFF = (1 << 20);

int T[2 * OFF], prop[2 * OFF];
int n, q, qL[N], qR[N], qK[N], qA[N], A[N];
vector < int > v[N];

void refresh(int x){
	if(!prop[x]) return;
	T[x] += prop[x];
	if(x < OFF){
		prop[2 * x] += prop[x];
		prop[2 * x + 1] += prop[x];
	}
	prop[x] = 0;
}

void update(int i, int a, int b, int lo, int hi,int x){
	refresh(i);
	if(lo <= a && b <= hi){
		prop[i] += x; refresh(i);
		return;
	}
	if(a > hi || b < lo) return;
	update(2 * i, a, (a + b) / 2, lo, hi, x);
	update(2 * i + 1, (a + b) / 2 + 1, b, lo, hi, x);
	T[i] = max(T[2 * i], T[2 * i + 1]);
}

int query(int i, int a, int b, int lo, int hi){
	refresh(i);
	if(lo <= a && b <= hi) return T[i];
	if(a > hi || b < lo) return 0;
	return max(query(2 * i, a, (a + b) / 2, lo, hi), query(2 * i + 1, (a + b) / 2 + 1, b, lo, hi));
}

int main(){
	scanf("%d%d", &n, &q);
	for(int i = 0;i < n;i++)
		scanf("%d", A + i);
	for(int i = 0;i < q;i++){
		scanf("%d%d%d", qL + i, qR + i, qK + i);
		qL[i]--, qR[i]--; v[qL[i]].PB(i);
	}
	stack < int > S;
	for(int i = n - 1;i >= 0;i--){
		while(!S.empty () && A[i] > A[S.top()]){
			int vrh = S.top(); S.pop();
			update(1, 0, OFF - 1, vrh + 1, (S.empty() ? n : S.top()) - 1, A[i] - A[vrh]);
			update(1, 0, OFF - 1, vrh, vrh, A[i] + A[vrh]);
		}
		S.push(i);
		for(int x : v[i]){
			qA[x] = query(1, 0, OFF - 1, qL[x], qR[x]);
		}
	}
	for(int i = 0;i < q;i++)
		printf("%d\n", qA[i] <= qK[i]);
}

Compilation message

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:48:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   48 |  scanf("%d%d", &n, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~
sortbooks.cpp:50:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   50 |   scanf("%d", A + i);
      |   ~~~~~^~~~~~~~~~~~~
sortbooks.cpp:52:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   52 |   scanf("%d%d%d", qL + i, qR + i, qK + i);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23916 KB Output is correct
2 Correct 15 ms 23916 KB Output is correct
3 Correct 16 ms 23916 KB Output is correct
4 Correct 16 ms 23916 KB Output is correct
5 Correct 16 ms 23916 KB Output is correct
6 Correct 17 ms 24044 KB Output is correct
7 Correct 17 ms 24044 KB Output is correct
8 Correct 17 ms 24044 KB Output is correct
9 Correct 16 ms 23916 KB Output is correct
10 Correct 16 ms 24044 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23916 KB Output is correct
2 Correct 15 ms 23916 KB Output is correct
3 Correct 16 ms 23916 KB Output is correct
4 Correct 16 ms 23916 KB Output is correct
5 Correct 16 ms 23916 KB Output is correct
6 Correct 17 ms 24044 KB Output is correct
7 Correct 17 ms 24044 KB Output is correct
8 Correct 17 ms 24044 KB Output is correct
9 Correct 16 ms 23916 KB Output is correct
10 Correct 16 ms 24044 KB Output is correct
11 Correct 24 ms 24172 KB Output is correct
12 Correct 23 ms 24300 KB Output is correct
13 Correct 24 ms 24300 KB Output is correct
14 Correct 26 ms 24428 KB Output is correct
15 Correct 26 ms 24428 KB Output is correct
16 Correct 22 ms 24300 KB Output is correct
17 Correct 21 ms 24300 KB Output is correct
18 Correct 23 ms 24300 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2926 ms 94032 KB Output is correct
2 Correct 2916 ms 112048 KB Output is correct
3 Correct 2891 ms 111980 KB Output is correct
4 Correct 2865 ms 112024 KB Output is correct
5 Correct 1806 ms 100460 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 233 ms 31724 KB Output is correct
2 Correct 214 ms 30700 KB Output is correct
3 Correct 143 ms 30188 KB Output is correct
4 Correct 146 ms 30316 KB Output is correct
5 Correct 147 ms 30444 KB Output is correct
6 Correct 131 ms 29036 KB Output is correct
7 Correct 131 ms 29036 KB Output is correct
8 Correct 182 ms 30184 KB Output is correct
9 Correct 91 ms 27628 KB Output is correct
10 Correct 187 ms 29972 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23916 KB Output is correct
2 Correct 15 ms 23916 KB Output is correct
3 Correct 16 ms 23916 KB Output is correct
4 Correct 16 ms 23916 KB Output is correct
5 Correct 16 ms 23916 KB Output is correct
6 Correct 17 ms 24044 KB Output is correct
7 Correct 17 ms 24044 KB Output is correct
8 Correct 17 ms 24044 KB Output is correct
9 Correct 16 ms 23916 KB Output is correct
10 Correct 16 ms 24044 KB Output is correct
11 Correct 24 ms 24172 KB Output is correct
12 Correct 23 ms 24300 KB Output is correct
13 Correct 24 ms 24300 KB Output is correct
14 Correct 26 ms 24428 KB Output is correct
15 Correct 26 ms 24428 KB Output is correct
16 Correct 22 ms 24300 KB Output is correct
17 Correct 21 ms 24300 KB Output is correct
18 Correct 23 ms 24300 KB Output is correct
19 Correct 511 ms 42220 KB Output is correct
20 Correct 517 ms 42092 KB Output is correct
21 Correct 443 ms 39532 KB Output is correct
22 Correct 440 ms 39660 KB Output is correct
23 Correct 441 ms 39660 KB Output is correct
24 Correct 268 ms 36844 KB Output is correct
25 Correct 295 ms 36844 KB Output is correct
26 Correct 319 ms 37992 KB Output is correct
27 Correct 301 ms 37868 KB Output is correct
28 Correct 299 ms 38380 KB Output is correct
29 Correct 323 ms 39788 KB Output is correct
30 Correct 317 ms 39532 KB Output is correct
31 Correct 319 ms 39532 KB Output is correct
32 Correct 317 ms 39444 KB Output is correct
33 Correct 321 ms 39532 KB Output is correct
34 Correct 263 ms 36460 KB Output is correct
35 Correct 263 ms 36460 KB Output is correct
36 Correct 262 ms 36204 KB Output is correct
37 Correct 271 ms 36204 KB Output is correct
38 Correct 261 ms 36460 KB Output is correct
39 Correct 326 ms 37608 KB Output is correct
40 Correct 232 ms 35428 KB Output is correct
41 Correct 350 ms 37476 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23916 KB Output is correct
2 Correct 15 ms 23916 KB Output is correct
3 Correct 16 ms 23916 KB Output is correct
4 Correct 16 ms 23916 KB Output is correct
5 Correct 16 ms 23916 KB Output is correct
6 Correct 17 ms 24044 KB Output is correct
7 Correct 17 ms 24044 KB Output is correct
8 Correct 17 ms 24044 KB Output is correct
9 Correct 16 ms 23916 KB Output is correct
10 Correct 16 ms 24044 KB Output is correct
11 Correct 24 ms 24172 KB Output is correct
12 Correct 23 ms 24300 KB Output is correct
13 Correct 24 ms 24300 KB Output is correct
14 Correct 26 ms 24428 KB Output is correct
15 Correct 26 ms 24428 KB Output is correct
16 Correct 22 ms 24300 KB Output is correct
17 Correct 21 ms 24300 KB Output is correct
18 Correct 23 ms 24300 KB Output is correct
19 Correct 2926 ms 94032 KB Output is correct
20 Correct 2916 ms 112048 KB Output is correct
21 Correct 2891 ms 111980 KB Output is correct
22 Correct 2865 ms 112024 KB Output is correct
23 Correct 1806 ms 100460 KB Output is correct
24 Correct 233 ms 31724 KB Output is correct
25 Correct 214 ms 30700 KB Output is correct
26 Correct 143 ms 30188 KB Output is correct
27 Correct 146 ms 30316 KB Output is correct
28 Correct 147 ms 30444 KB Output is correct
29 Correct 131 ms 29036 KB Output is correct
30 Correct 131 ms 29036 KB Output is correct
31 Correct 182 ms 30184 KB Output is correct
32 Correct 91 ms 27628 KB Output is correct
33 Correct 187 ms 29972 KB Output is correct
34 Correct 511 ms 42220 KB Output is correct
35 Correct 517 ms 42092 KB Output is correct
36 Correct 443 ms 39532 KB Output is correct
37 Correct 440 ms 39660 KB Output is correct
38 Correct 441 ms 39660 KB Output is correct
39 Correct 268 ms 36844 KB Output is correct
40 Correct 295 ms 36844 KB Output is correct
41 Correct 319 ms 37992 KB Output is correct
42 Correct 301 ms 37868 KB Output is correct
43 Correct 299 ms 38380 KB Output is correct
44 Correct 323 ms 39788 KB Output is correct
45 Correct 317 ms 39532 KB Output is correct
46 Correct 319 ms 39532 KB Output is correct
47 Correct 317 ms 39444 KB Output is correct
48 Correct 321 ms 39532 KB Output is correct
49 Correct 263 ms 36460 KB Output is correct
50 Correct 263 ms 36460 KB Output is correct
51 Correct 262 ms 36204 KB Output is correct
52 Correct 271 ms 36204 KB Output is correct
53 Correct 261 ms 36460 KB Output is correct
54 Correct 326 ms 37608 KB Output is correct
55 Correct 232 ms 35428 KB Output is correct
56 Correct 350 ms 37476 KB Output is correct
57 Correct 2863 ms 114852 KB Output is correct
58 Correct 2863 ms 114544 KB Output is correct
59 Correct 2694 ms 108968 KB Output is correct
60 Correct 2675 ms 108876 KB Output is correct
61 Correct 2769 ms 108908 KB Output is correct
62 Correct 2784 ms 108788 KB Output is correct
63 Correct 1418 ms 86952 KB Output is correct
64 Correct 1391 ms 86892 KB Output is correct
65 Correct 1756 ms 96576 KB Output is correct
66 Correct 1739 ms 96492 KB Output is correct
67 Correct 1731 ms 97128 KB Output is correct
68 Correct 1799 ms 103020 KB Output is correct
69 Correct 1780 ms 102892 KB Output is correct
70 Correct 1791 ms 102120 KB Output is correct
71 Correct 1810 ms 102472 KB Output is correct
72 Correct 1782 ms 102328 KB Output is correct
73 Correct 1323 ms 84776 KB Output is correct
74 Correct 1332 ms 85636 KB Output is correct
75 Correct 1318 ms 84764 KB Output is correct
76 Correct 1339 ms 84788 KB Output is correct
77 Correct 1310 ms 84844 KB Output is correct
78 Correct 1799 ms 93536 KB Output is correct
79 Correct 1153 ms 79708 KB Output is correct
80 Correct 2033 ms 94176 KB Output is correct