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Submission #290837

# Submission time Handle Problem Language Result Execution time Memory
290837 2020-09-04T13:44:21 Z Plurm Bigger segments (IZhO19_segments) C++11
100 / 100
 346 ms 41468 KB 
#include <bits/stdc++.h>
using namespace std;
long long qs[500005];
int dp[500005];
long long val[500005];
map<long long, int> s;
int main(){
	int n;
	scanf("%d",&n);
	s[0ll] = 0;
	for(int i = 1; i <= n; i++){
		int x;
		scanf("%d",&x);
		qs[i] = qs[i-1] + x;
		int j = (--s.upper_bound(qs[i]))->second;
		dp[i] = dp[j]+1;
		val[i] = qs[i]-qs[j];
		while(!s.empty() && s.rbegin()->first >= 2ll*qs[i]-qs[j]) s.erase(s.rbegin()->first);
		s[2ll*qs[i]-qs[j]] = i;
	}
	printf("%d\n",dp[n]);
	return 0;
}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 |  scanf("%d",&n);
      |  ~~~~~^~~~~~~~~
segments.cpp:13:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   13 |   scanf("%d",&x);
      |   ~~~~~^~~~~~~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 512 KB Output is correct
32 Correct 2 ms 512 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 2 ms 512 KB Output is correct
35 Correct 2 ms 640 KB Output is correct
36 Correct 4 ms 512 KB Output is correct
37 Correct 2 ms 512 KB Output is correct
38 Correct 1 ms 512 KB Output is correct
39 Correct 2 ms 512 KB Output is correct
40 Correct 2 ms 512 KB Output is correct
41 Correct 2 ms 640 KB Output is correct
42 Correct 2 ms 512 KB Output is correct
43 Correct 2 ms 512 KB Output is correct
44 Correct 2 ms 512 KB Output is correct
45 Correct 2 ms 512 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 512 KB Output is correct
32 Correct 2 ms 512 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 2 ms 512 KB Output is correct
35 Correct 2 ms 640 KB Output is correct
36 Correct 4 ms 512 KB Output is correct
37 Correct 2 ms 512 KB Output is correct
38 Correct 1 ms 512 KB Output is correct
39 Correct 2 ms 512 KB Output is correct
40 Correct 2 ms 512 KB Output is correct
41 Correct 2 ms 640 KB Output is correct
42 Correct 2 ms 512 KB Output is correct
43 Correct 2 ms 512 KB Output is correct
44 Correct 2 ms 512 KB Output is correct
45 Correct 2 ms 512 KB Output is correct
46 Correct 43 ms 8568 KB Output is correct
47 Correct 54 ms 6708 KB Output is correct
48 Correct 49 ms 2680 KB Output is correct
49 Correct 60 ms 5880 KB Output is correct
50 Correct 51 ms 8568 KB Output is correct
51 Correct 61 ms 7288 KB Output is correct
52 Correct 29 ms 3832 KB Output is correct
53 Correct 17 ms 2424 KB Output is correct
54 Correct 52 ms 6904 KB Output is correct
55 Correct 57 ms 7928 KB Output is correct
56 Correct 49 ms 8568 KB Output is correct
57 Correct 49 ms 8056 KB Output is correct
58 Correct 48 ms 7932 KB Output is correct
59 Correct 50 ms 8568 KB Output is correct
60 Correct 51 ms 8568 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 512 KB Output is correct
32 Correct 2 ms 512 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 2 ms 512 KB Output is correct
35 Correct 2 ms 640 KB Output is correct
36 Correct 4 ms 512 KB Output is correct
37 Correct 2 ms 512 KB Output is correct
38 Correct 1 ms 512 KB Output is correct
39 Correct 2 ms 512 KB Output is correct
40 Correct 2 ms 512 KB Output is correct
41 Correct 2 ms 640 KB Output is correct
42 Correct 2 ms 512 KB Output is correct
43 Correct 2 ms 512 KB Output is correct
44 Correct 2 ms 512 KB Output is correct
45 Correct 2 ms 512 KB Output is correct
46 Correct 43 ms 8568 KB Output is correct
47 Correct 54 ms 6708 KB Output is correct
48 Correct 49 ms 2680 KB Output is correct
49 Correct 60 ms 5880 KB Output is correct
50 Correct 51 ms 8568 KB Output is correct
51 Correct 61 ms 7288 KB Output is correct
52 Correct 29 ms 3832 KB Output is correct
53 Correct 17 ms 2424 KB Output is correct
54 Correct 52 ms 6904 KB Output is correct
55 Correct 57 ms 7928 KB Output is correct
56 Correct 49 ms 8568 KB Output is correct
57 Correct 49 ms 8056 KB Output is correct
58 Correct 48 ms 7932 KB Output is correct
59 Correct 50 ms 8568 KB Output is correct
60 Correct 51 ms 8568 KB Output is correct
61 Correct 237 ms 41468 KB Output is correct
62 Correct 246 ms 41336 KB Output is correct
63 Correct 285 ms 32888 KB Output is correct
64 Correct 346 ms 16376 KB Output is correct
65 Correct 285 ms 41468 KB Output is correct
66 Correct 334 ms 34936 KB Output is correct
67 Correct 265 ms 28192 KB Output is correct
68 Correct 128 ms 14200 KB Output is correct
69 Correct 293 ms 32888 KB Output is correct
70 Correct 312 ms 38904 KB Output is correct
71 Correct 267 ms 41464 KB Output is correct
72 Correct 277 ms 35160 KB Output is correct
73 Correct 276 ms 36856 KB Output is correct
74 Correct 284 ms 41464 KB Output is correct
75 Correct 287 ms 41336 KB Output is correct