oj.uz

Submission #712178

# Submission time Handle Problem Language Result Execution time Memory
712178 2023-03-18T10:14:45 Z Pherokung Bigger segments (IZhO19_segments) C++14
100 / 100
 366 ms 44188 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define F first
#define S second
typedef pair<ll,ll> pa;
ll n,a,qs[500005],dp[500005],l,r,p,v;
set<pa> s;
set<pa> :: iterator it;
ll rang(int l,int r){
	return qs[r] - qs[l-1];
}
int main(){
	scanf("%lld",&n);
	for(int i=1;i<=n;i++){
		scanf("%lld",&a);
		qs[i] = qs[i-1]+a;
	}
	s.insert({0,0});
	
	for(int i=1;i<=n;i++){
		it = s.upper_bound({qs[i],1e18});
		--it;
		v = (*it).F, p = (*it).S;
		dp[i] = dp[p] + 1;
		it = s.lower_bound({qs[i] + rang(p+1,i),-1e18});
		
		s.erase(it,s.end());
		s.insert({qs[i] + rang(p+1,i),i});
	}
	
	printf("%lld",dp[n]);
}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |  scanf("%lld",&n);
      |  ~~~~~^~~~~~~~~~~
segments.cpp:16:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |   scanf("%lld",&a);
      |   ~~~~~^~~~~~~~~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 308 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 308 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 304 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 308 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 320 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 308 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 308 KB Output is correct
30 Correct 1 ms 340 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 308 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 304 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 308 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 320 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 308 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 308 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 448 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 2 ms 468 KB Output is correct
35 Correct 2 ms 468 KB Output is correct
36 Correct 2 ms 468 KB Output is correct
37 Correct 1 ms 480 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 1 ms 468 KB Output is correct
44 Correct 2 ms 468 KB Output is correct
45 Correct 1 ms 468 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 308 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 304 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 308 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 320 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 308 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 308 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 448 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 2 ms 468 KB Output is correct
35 Correct 2 ms 468 KB Output is correct
36 Correct 2 ms 468 KB Output is correct
37 Correct 1 ms 480 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 1 ms 468 KB Output is correct
44 Correct 2 ms 468 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Correct 42 ms 8412 KB Output is correct
47 Correct 38 ms 6508 KB Output is correct
48 Correct 34 ms 3120 KB Output is correct
49 Correct 55 ms 6196 KB Output is correct
50 Correct 53 ms 9008 KB Output is correct
51 Correct 54 ms 7812 KB Output is correct
52 Correct 22 ms 4068 KB Output is correct
53 Correct 13 ms 2636 KB Output is correct
54 Correct 41 ms 6604 KB Output is correct
55 Correct 51 ms 8444 KB Output is correct
56 Correct 53 ms 8648 KB Output is correct
57 Correct 48 ms 8016 KB Output is correct
58 Correct 55 ms 7884 KB Output is correct
59 Correct 57 ms 8768 KB Output is correct
60 Correct 49 ms 8652 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 308 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 304 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 308 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 320 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 308 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 308 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 448 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 2 ms 468 KB Output is correct
35 Correct 2 ms 468 KB Output is correct
36 Correct 2 ms 468 KB Output is correct
37 Correct 1 ms 480 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 1 ms 468 KB Output is correct
44 Correct 2 ms 468 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Correct 42 ms 8412 KB Output is correct
47 Correct 38 ms 6508 KB Output is correct
48 Correct 34 ms 3120 KB Output is correct
49 Correct 55 ms 6196 KB Output is correct
50 Correct 53 ms 9008 KB Output is correct
51 Correct 54 ms 7812 KB Output is correct
52 Correct 22 ms 4068 KB Output is correct
53 Correct 13 ms 2636 KB Output is correct
54 Correct 41 ms 6604 KB Output is correct
55 Correct 51 ms 8444 KB Output is correct
56 Correct 53 ms 8648 KB Output is correct
57 Correct 48 ms 8016 KB Output is correct
58 Correct 55 ms 7884 KB Output is correct
59 Correct 57 ms 8768 KB Output is correct
60 Correct 49 ms 8652 KB Output is correct
61 Correct 271 ms 41420 KB Output is correct
62 Correct 255 ms 41372 KB Output is correct
63 Correct 240 ms 33232 KB Output is correct
64 Correct 268 ms 18852 KB Output is correct
65 Correct 316 ms 44188 KB Output is correct
66 Correct 298 ms 37824 KB Output is correct
67 Correct 212 ms 30276 KB Output is correct
68 Correct 98 ms 15316 KB Output is correct
69 Correct 266 ms 31964 KB Output is correct
70 Correct 282 ms 41720 KB Output is correct
71 Correct 318 ms 41340 KB Output is correct
72 Correct 273 ms 35444 KB Output is correct
73 Correct 306 ms 37672 KB Output is correct
74 Correct 289 ms 42628 KB Output is correct
75 Correct 366 ms 42664 KB Output is correct