oj.uz

Submission #361390

# Submission time Handle Problem Language Result Execution time Memory
361390 2021-01-29T17:44:40 Z pure_mem Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
 1131 ms 93992 KB 
#include <cstdio>
#include <vector>
#include <algorithm>
#include <stack>

#define X first
#define Y second
#define MP make_pair
#define ll long long

using namespace std;

const int N = 1e6 + 3;

int n, q, w[N], ans[N], fw[N];
vector< pair< pair<int, int>, int > > aybar[N];

void upd(int v, int val){
	for(;v <= n;v |= v + 1)
		fw[v] = max(fw[v], val);
}
int get(int v){
	int val = 0;
	for(;v >= 0;v = (v & (v + 1)) - 1)
		val = max(val, fw[v]);
	return val;
}

int main () {
	scanf("%d %d", &n, &q);
	for(int i = 1;i <= n;i++)
		scanf("%d", w + i);
	for(int i = 1, l, r, x;i <= q;i++){
		scanf("%d %d %d", &l, &r, &x);
		aybar[l].push_back(MP(MP(r, x), i));	
	}                       
	stack<int> b;
	for(int i = n;i >= 1;i--){
		while(!b.empty() && w[i] > w[b.top()])
			upd(b.top(), w[b.top()] + w[i]), b.pop();	
		b.push(i);
		for(pair< pair<int, int>, int > tmp: aybar[i])
			ans[tmp.Y] = get(tmp.X.X) <= tmp.X.Y;//, cerr << get(n - tmp.X.X + 1) << " " << tmp.Y << "\n";
	}
	for(int i = 1;i <= q;i++)
		printf("%d\n", ans[i]);
}

Compilation message

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:30:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   30 |  scanf("%d %d", &n, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~~
sortbooks.cpp:32:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   32 |   scanf("%d", w + i);
      |   ~~~~~^~~~~~~~~~~~~
sortbooks.cpp:34:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   34 |   scanf("%d %d %d", &l, &r, &x);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Output is correct
2 Correct 16 ms 23788 KB Output is correct
3 Correct 17 ms 23788 KB Output is correct
4 Correct 16 ms 23788 KB Output is correct
5 Correct 17 ms 23788 KB Output is correct
6 Correct 17 ms 23788 KB Output is correct
7 Correct 16 ms 23808 KB Output is correct
8 Correct 17 ms 23788 KB Output is correct
9 Correct 16 ms 23788 KB Output is correct
10 Correct 18 ms 23788 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Output is correct
2 Correct 16 ms 23788 KB Output is correct
3 Correct 17 ms 23788 KB Output is correct
4 Correct 16 ms 23788 KB Output is correct
5 Correct 17 ms 23788 KB Output is correct
6 Correct 17 ms 23788 KB Output is correct
7 Correct 16 ms 23808 KB Output is correct
8 Correct 17 ms 23788 KB Output is correct
9 Correct 16 ms 23788 KB Output is correct
10 Correct 18 ms 23788 KB Output is correct
11 Correct 18 ms 24044 KB Output is correct
12 Correct 19 ms 24044 KB Output is correct
13 Correct 19 ms 24044 KB Output is correct
14 Correct 21 ms 24172 KB Output is correct
15 Correct 25 ms 24172 KB Output is correct
16 Correct 23 ms 24044 KB Output is correct
17 Correct 19 ms 24044 KB Output is correct
18 Correct 19 ms 24044 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1115 ms 59392 KB Output is correct
2 Correct 1088 ms 92328 KB Output is correct
3 Correct 1105 ms 92360 KB Output is correct
4 Correct 1074 ms 92396 KB Output is correct
5 Correct 1043 ms 92432 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 27372 KB Output is correct
2 Correct 104 ms 29292 KB Output is correct
3 Correct 83 ms 29292 KB Output is correct
4 Correct 94 ms 29420 KB Output is correct
5 Correct 90 ms 29420 KB Output is correct
6 Correct 81 ms 28780 KB Output is correct
7 Correct 71 ms 28652 KB Output is correct
8 Correct 85 ms 28708 KB Output is correct
9 Correct 59 ms 27300 KB Output is correct
10 Correct 86 ms 28804 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Output is correct
2 Correct 16 ms 23788 KB Output is correct
3 Correct 17 ms 23788 KB Output is correct
4 Correct 16 ms 23788 KB Output is correct
5 Correct 17 ms 23788 KB Output is correct
6 Correct 17 ms 23788 KB Output is correct
7 Correct 16 ms 23808 KB Output is correct
8 Correct 17 ms 23788 KB Output is correct
9 Correct 16 ms 23788 KB Output is correct
10 Correct 18 ms 23788 KB Output is correct
11 Correct 18 ms 24044 KB Output is correct
12 Correct 19 ms 24044 KB Output is correct
13 Correct 19 ms 24044 KB Output is correct
14 Correct 21 ms 24172 KB Output is correct
15 Correct 25 ms 24172 KB Output is correct
16 Correct 23 ms 24044 KB Output is correct
17 Correct 19 ms 24044 KB Output is correct
18 Correct 19 ms 24044 KB Output is correct
19 Correct 207 ms 37636 KB Output is correct
20 Correct 214 ms 37740 KB Output is correct
21 Correct 177 ms 37100 KB Output is correct
22 Correct 172 ms 37052 KB Output is correct
23 Correct 182 ms 37100 KB Output is correct
24 Correct 163 ms 36972 KB Output is correct
25 Correct 169 ms 36972 KB Output is correct
26 Correct 177 ms 37228 KB Output is correct
27 Correct 188 ms 37228 KB Output is correct
28 Correct 187 ms 37228 KB Output is correct
29 Correct 194 ms 37740 KB Output is correct
30 Correct 201 ms 37868 KB Output is correct
31 Correct 198 ms 37612 KB Output is correct
32 Correct 198 ms 37740 KB Output is correct
33 Correct 194 ms 37612 KB Output is correct
34 Correct 152 ms 36204 KB Output is correct
35 Correct 149 ms 36076 KB Output is correct
36 Correct 147 ms 35820 KB Output is correct
37 Correct 148 ms 35820 KB Output is correct
38 Correct 152 ms 35948 KB Output is correct
39 Correct 171 ms 35492 KB Output is correct
40 Correct 149 ms 33996 KB Output is correct
41 Correct 168 ms 35108 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Output is correct
2 Correct 16 ms 23788 KB Output is correct
3 Correct 17 ms 23788 KB Output is correct
4 Correct 16 ms 23788 KB Output is correct
5 Correct 17 ms 23788 KB Output is correct
6 Correct 17 ms 23788 KB Output is correct
7 Correct 16 ms 23808 KB Output is correct
8 Correct 17 ms 23788 KB Output is correct
9 Correct 16 ms 23788 KB Output is correct
10 Correct 18 ms 23788 KB Output is correct
11 Correct 18 ms 24044 KB Output is correct
12 Correct 19 ms 24044 KB Output is correct
13 Correct 19 ms 24044 KB Output is correct
14 Correct 21 ms 24172 KB Output is correct
15 Correct 25 ms 24172 KB Output is correct
16 Correct 23 ms 24044 KB Output is correct
17 Correct 19 ms 24044 KB Output is correct
18 Correct 19 ms 24044 KB Output is correct
19 Correct 1115 ms 59392 KB Output is correct
20 Correct 1088 ms 92328 KB Output is correct
21 Correct 1105 ms 92360 KB Output is correct
22 Correct 1074 ms 92396 KB Output is correct
23 Correct 1043 ms 92432 KB Output is correct
24 Correct 89 ms 27372 KB Output is correct
25 Correct 104 ms 29292 KB Output is correct
26 Correct 83 ms 29292 KB Output is correct
27 Correct 94 ms 29420 KB Output is correct
28 Correct 90 ms 29420 KB Output is correct
29 Correct 81 ms 28780 KB Output is correct
30 Correct 71 ms 28652 KB Output is correct
31 Correct 85 ms 28708 KB Output is correct
32 Correct 59 ms 27300 KB Output is correct
33 Correct 86 ms 28804 KB Output is correct
34 Correct 207 ms 37636 KB Output is correct
35 Correct 214 ms 37740 KB Output is correct
36 Correct 177 ms 37100 KB Output is correct
37 Correct 172 ms 37052 KB Output is correct
38 Correct 182 ms 37100 KB Output is correct
39 Correct 163 ms 36972 KB Output is correct
40 Correct 169 ms 36972 KB Output is correct
41 Correct 177 ms 37228 KB Output is correct
42 Correct 188 ms 37228 KB Output is correct
43 Correct 187 ms 37228 KB Output is correct
44 Correct 194 ms 37740 KB Output is correct
45 Correct 201 ms 37868 KB Output is correct
46 Correct 198 ms 37612 KB Output is correct
47 Correct 198 ms 37740 KB Output is correct
48 Correct 194 ms 37612 KB Output is correct
49 Correct 152 ms 36204 KB Output is correct
50 Correct 149 ms 36076 KB Output is correct
51 Correct 147 ms 35820 KB Output is correct
52 Correct 148 ms 35820 KB Output is correct
53 Correct 152 ms 35948 KB Output is correct
54 Correct 171 ms 35492 KB Output is correct
55 Correct 149 ms 33996 KB Output is correct
56 Correct 168 ms 35108 KB Output is correct
57 Correct 1131 ms 93636 KB Output is correct
58 Correct 1121 ms 93804 KB Output is correct
59 Correct 1066 ms 91628 KB Output is correct
60 Correct 1075 ms 91872 KB Output is correct
61 Correct 1077 ms 91492 KB Output is correct
62 Correct 1059 ms 91608 KB Output is correct
63 Correct 772 ms 85264 KB Output is correct
64 Correct 765 ms 85212 KB Output is correct
65 Correct 1016 ms 91756 KB Output is correct
66 Correct 1018 ms 91692 KB Output is correct
67 Correct 1014 ms 91756 KB Output is correct
68 Correct 1053 ms 93992 KB Output is correct
69 Correct 1061 ms 93964 KB Output is correct
70 Correct 1045 ms 93464 KB Output is correct
71 Correct 1101 ms 93548 KB Output is correct
72 Correct 1048 ms 93376 KB Output is correct
73 Correct 674 ms 81388 KB Output is correct
74 Correct 691 ms 82532 KB Output is correct
75 Correct 679 ms 81900 KB Output is correct
76 Correct 686 ms 81492 KB Output is correct
77 Correct 676 ms 81724 KB Output is correct
78 Correct 924 ms 83776 KB Output is correct
79 Correct 730 ms 73264 KB Output is correct
80 Correct 906 ms 81536 KB Output is correct