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Submission #169471

# Submission time Handle Problem Language Result Execution time Memory
169471 2019-12-20T14:48:29 Z abil Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
 2134 ms 107284 KB 
#include <bits/stdc++.h>

#define fr first
#define sc second
#define pb push_back
#define mk make_pair
#define all(s) s.begin(),s.end()
//#define int long long

using namespace std;

const int N = (1e6 + 12);
const int mod = (1e9 + 7);
const int INF = (0x3f3f3f3f);

int a[N], pos[N], l[N], r[N], k[N], t[N * 4], ans[N];
vector<int > vec[N];

void update(int v,int tl,int tr,int pos,int val){
	if(tl == tr){
		t[v] = val;
		return;
	}
	int mid = (tl + tr) >> 1;
	if(pos <= mid){
		update(v + v, tl, mid, pos, val);
	}
	else{
		update(v + v + 1, mid + 1, tr, pos, val);
	}
	t[v] = max(t[v + v], t[v + v + 1]);
}

int get(int v,int tl,int tr,int ll,int rr){
	if(tl > rr || tr < ll){
		return 0;
	}
	if(ll <= tl && tr <= rr){
		return t[v];
	}
	int mid = (tl + tr) >> 1;
	return max(get(v + v, tl, mid, ll, rr), get(v + v + 1, mid + 1, tr, ll, rr));
}
main()
{
	int n, m;
	scanf("%d%d", &n, &m);
	for(int i = 1;i <= n; i++){
		scanf("%d", &a[i]);
		pos[i] = i - 1;
		while(pos[i] && a[pos[i]] <= a[i]){
			pos[i] = pos[pos[i]];
		}
	}
	for(int i = 1;i <= m; i++){
		scanf("%d%d%d", &l[i], &r[i], &k[i]);
		vec[r[i]].pb(i);
	}
	for(int i = 1;i <= n; i++){
		if(pos[i]){
			update(1, 1, n, pos[i], a[i] + a[pos[i]]);
		}
		for(auto to : vec[i]){
			ans[to] = (get(1, 1, n, l[to], r[to]) <= k[to] ? 1 : 0);
		}
	}
	for(int i = 1;i <= m; i++){
		printf("%d\n", ans[i]);
	}
}

Compilation message

sortbooks.cpp:44:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
sortbooks.cpp: In function 'int main()':
sortbooks.cpp:47:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~
sortbooks.cpp:49:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ~~~~~^~~~~~~~~~~~~
sortbooks.cpp:56:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &l[i], &r[i], &k[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 23928 KB Output is correct
2 Correct 23 ms 23928 KB Output is correct
3 Correct 24 ms 23800 KB Output is correct
4 Correct 23 ms 23928 KB Output is correct
5 Correct 23 ms 23800 KB Output is correct
6 Correct 24 ms 23816 KB Output is correct
7 Correct 24 ms 23928 KB Output is correct
8 Correct 24 ms 24056 KB Output is correct
9 Correct 24 ms 23928 KB Output is correct
10 Correct 24 ms 23800 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 23928 KB Output is correct
2 Correct 23 ms 23928 KB Output is correct
3 Correct 24 ms 23800 KB Output is correct
4 Correct 23 ms 23928 KB Output is correct
5 Correct 23 ms 23800 KB Output is correct
6 Correct 24 ms 23816 KB Output is correct
7 Correct 24 ms 23928 KB Output is correct
8 Correct 24 ms 24056 KB Output is correct
9 Correct 24 ms 23928 KB Output is correct
10 Correct 24 ms 23800 KB Output is correct
11 Correct 26 ms 24056 KB Output is correct
12 Correct 28 ms 24184 KB Output is correct
13 Correct 28 ms 24184 KB Output is correct
14 Correct 29 ms 24312 KB Output is correct
15 Correct 30 ms 24312 KB Output is correct
16 Correct 28 ms 24184 KB Output is correct
17 Correct 28 ms 24184 KB Output is correct
18 Correct 28 ms 24184 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2068 ms 75628 KB Output is correct
2 Correct 2070 ms 79440 KB Output is correct
3 Correct 2134 ms 79536 KB Output is correct
4 Correct 2048 ms 79608 KB Output is correct
5 Correct 1677 ms 71228 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 157 ms 29048 KB Output is correct
2 Correct 141 ms 30300 KB Output is correct
3 Correct 129 ms 29688 KB Output is correct
4 Correct 134 ms 29944 KB Output is correct
5 Correct 131 ms 29944 KB Output is correct
6 Correct 106 ms 28816 KB Output is correct
7 Correct 106 ms 28792 KB Output is correct
8 Correct 124 ms 29640 KB Output is correct
9 Correct 74 ms 27420 KB Output is correct
10 Correct 123 ms 29684 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 23928 KB Output is correct
2 Correct 23 ms 23928 KB Output is correct
3 Correct 24 ms 23800 KB Output is correct
4 Correct 23 ms 23928 KB Output is correct
5 Correct 23 ms 23800 KB Output is correct
6 Correct 24 ms 23816 KB Output is correct
7 Correct 24 ms 23928 KB Output is correct
8 Correct 24 ms 24056 KB Output is correct
9 Correct 24 ms 23928 KB Output is correct
10 Correct 24 ms 23800 KB Output is correct
11 Correct 26 ms 24056 KB Output is correct
12 Correct 28 ms 24184 KB Output is correct
13 Correct 28 ms 24184 KB Output is correct
14 Correct 29 ms 24312 KB Output is correct
15 Correct 30 ms 24312 KB Output is correct
16 Correct 28 ms 24184 KB Output is correct
17 Correct 28 ms 24184 KB Output is correct
18 Correct 28 ms 24184 KB Output is correct
19 Correct 353 ms 40908 KB Output is correct
20 Correct 350 ms 41012 KB Output is correct
21 Correct 297 ms 39036 KB Output is correct
22 Correct 285 ms 39084 KB Output is correct
23 Correct 291 ms 39116 KB Output is correct
24 Correct 237 ms 36600 KB Output is correct
25 Correct 243 ms 36708 KB Output is correct
26 Correct 260 ms 37624 KB Output is correct
27 Correct 273 ms 37624 KB Output is correct
28 Correct 277 ms 37892 KB Output is correct
29 Correct 288 ms 38776 KB Output is correct
30 Correct 294 ms 38848 KB Output is correct
31 Correct 298 ms 38904 KB Output is correct
32 Correct 306 ms 38776 KB Output is correct
33 Correct 355 ms 38884 KB Output is correct
34 Correct 254 ms 36472 KB Output is correct
35 Correct 223 ms 36344 KB Output is correct
36 Correct 234 ms 36240 KB Output is correct
37 Correct 217 ms 36196 KB Output is correct
38 Correct 223 ms 36348 KB Output is correct
39 Correct 265 ms 37744 KB Output is correct
40 Correct 209 ms 35572 KB Output is correct
41 Correct 252 ms 36892 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 23928 KB Output is correct
2 Correct 23 ms 23928 KB Output is correct
3 Correct 24 ms 23800 KB Output is correct
4 Correct 23 ms 23928 KB Output is correct
5 Correct 23 ms 23800 KB Output is correct
6 Correct 24 ms 23816 KB Output is correct
7 Correct 24 ms 23928 KB Output is correct
8 Correct 24 ms 24056 KB Output is correct
9 Correct 24 ms 23928 KB Output is correct
10 Correct 24 ms 23800 KB Output is correct
11 Correct 26 ms 24056 KB Output is correct
12 Correct 28 ms 24184 KB Output is correct
13 Correct 28 ms 24184 KB Output is correct
14 Correct 29 ms 24312 KB Output is correct
15 Correct 30 ms 24312 KB Output is correct
16 Correct 28 ms 24184 KB Output is correct
17 Correct 28 ms 24184 KB Output is correct
18 Correct 28 ms 24184 KB Output is correct
19 Correct 2068 ms 75628 KB Output is correct
20 Correct 2070 ms 79440 KB Output is correct
21 Correct 2134 ms 79536 KB Output is correct
22 Correct 2048 ms 79608 KB Output is correct
23 Correct 1677 ms 71228 KB Output is correct
24 Correct 157 ms 29048 KB Output is correct
25 Correct 141 ms 30300 KB Output is correct
26 Correct 129 ms 29688 KB Output is correct
27 Correct 134 ms 29944 KB Output is correct
28 Correct 131 ms 29944 KB Output is correct
29 Correct 106 ms 28816 KB Output is correct
30 Correct 106 ms 28792 KB Output is correct
31 Correct 124 ms 29640 KB Output is correct
32 Correct 74 ms 27420 KB Output is correct
33 Correct 123 ms 29684 KB Output is correct
34 Correct 353 ms 40908 KB Output is correct
35 Correct 350 ms 41012 KB Output is correct
36 Correct 297 ms 39036 KB Output is correct
37 Correct 285 ms 39084 KB Output is correct
38 Correct 291 ms 39116 KB Output is correct
39 Correct 237 ms 36600 KB Output is correct
40 Correct 243 ms 36708 KB Output is correct
41 Correct 260 ms 37624 KB Output is correct
42 Correct 273 ms 37624 KB Output is correct
43 Correct 277 ms 37892 KB Output is correct
44 Correct 288 ms 38776 KB Output is correct
45 Correct 294 ms 38848 KB Output is correct
46 Correct 298 ms 38904 KB Output is correct
47 Correct 306 ms 38776 KB Output is correct
48 Correct 355 ms 38884 KB Output is correct
49 Correct 254 ms 36472 KB Output is correct
50 Correct 223 ms 36344 KB Output is correct
51 Correct 234 ms 36240 KB Output is correct
52 Correct 217 ms 36196 KB Output is correct
53 Correct 223 ms 36348 KB Output is correct
54 Correct 265 ms 37744 KB Output is correct
55 Correct 209 ms 35572 KB Output is correct
56 Correct 252 ms 36892 KB Output is correct
57 Correct 2072 ms 100100 KB Output is correct
58 Correct 2076 ms 107284 KB Output is correct
59 Correct 1983 ms 103112 KB Output is correct
60 Correct 2066 ms 88952 KB Output is correct
61 Correct 1966 ms 103080 KB Output is correct
62 Correct 1947 ms 84796 KB Output is correct
63 Correct 1291 ms 64688 KB Output is correct
64 Correct 1288 ms 86932 KB Output is correct
65 Correct 1603 ms 77160 KB Output is correct
66 Correct 1595 ms 94396 KB Output is correct
67 Correct 1599 ms 94684 KB Output is correct
68 Correct 1667 ms 99008 KB Output is correct
69 Correct 1666 ms 90352 KB Output is correct
70 Correct 1636 ms 98536 KB Output is correct
71 Correct 1669 ms 98452 KB Output is correct
72 Correct 1656 ms 86024 KB Output is correct
73 Correct 1195 ms 85204 KB Output is correct
74 Correct 1192 ms 86004 KB Output is correct
75 Correct 1174 ms 85296 KB Output is correct
76 Correct 1192 ms 85200 KB Output is correct
77 Correct 1219 ms 84720 KB Output is correct
78 Correct 1434 ms 82716 KB Output is correct
79 Correct 1031 ms 80364 KB Output is correct
80 Correct 1414 ms 82308 KB Output is correct