Submission #259934

# Submission time Handle Problem Language Result Execution time Memory
259934 2020-08-08T20:18:15 Z Kenzo_1114 Global Warming (CEOI18_glo) C++17
100 / 100
83 ms 5152 KB
#include<bits/stdc++.h>
using namespace std;
const int MAXN = 200010;
const long long int INF = 2e10 + 9;
 
int n;
long long int x, t[MAXN], dp[MAXN], ans[MAXN];
 
int main ()
{
	scanf("%d %lld", &n, &x);
 
	dp[0] = INF;
	for(int i = 1; i <= n; i++)	
		scanf("%lld", &t[i]), dp[i] = INF;

	long long int ANS = 0;
	for(int i = 1; i <= n; i++)
	{
		int it = lower_bound(dp, dp + n, t[i]) - dp;
		dp[it] = t[i];
		ans[i] = it + 1;
		ANS = max(ANS, ans[i]);
	}
 
	dp[0] = INF;
	for(int i = 1; i <= n; i++)	t[i] = -t[i], dp[i] = INF;
 
	for(int i = n; i > 0; i--)
	{
		int id = lower_bound(dp, dp + n, t[i] + x) - dp;
		int it = lower_bound(dp, dp + n, t[i]) - dp;
		dp[it] = t[i];
		ANS = max(ANS, id + ans[i]);
	}	
 
	printf("%lld\n", ANS);
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %lld", &n, &x);
  ~~~~~^~~~~~~~~~~~~~~~~~~
glo.cpp:15:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &t[i]), dp[i] = INF;
   ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 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 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 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 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 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 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 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
# Verdict Execution time Memory Grader output
1 Correct 82 ms 4984 KB Output is correct
2 Correct 81 ms 4984 KB Output is correct
3 Correct 81 ms 5068 KB Output is correct
4 Correct 83 ms 4984 KB Output is correct
5 Correct 63 ms 5152 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 22 ms 1536 KB Output is correct
2 Correct 25 ms 1536 KB Output is correct
3 Correct 19 ms 1536 KB Output is correct
4 Correct 16 ms 1536 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 15 ms 1536 KB Output is correct
7 Correct 16 ms 1536 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 36 ms 2680 KB Output is correct
2 Correct 36 ms 2680 KB Output is correct
3 Correct 75 ms 4984 KB Output is correct
4 Correct 61 ms 4948 KB Output is correct
5 Correct 31 ms 2688 KB Output is correct
6 Correct 52 ms 4728 KB Output is correct
7 Correct 63 ms 4728 KB Output is correct
8 Correct 32 ms 2688 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 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 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 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 82 ms 4984 KB Output is correct
28 Correct 81 ms 4984 KB Output is correct
29 Correct 81 ms 5068 KB Output is correct
30 Correct 83 ms 4984 KB Output is correct
31 Correct 63 ms 5152 KB Output is correct
32 Correct 22 ms 1536 KB Output is correct
33 Correct 25 ms 1536 KB Output is correct
34 Correct 19 ms 1536 KB Output is correct
35 Correct 16 ms 1536 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 15 ms 1536 KB Output is correct
38 Correct 16 ms 1536 KB Output is correct
39 Correct 36 ms 2680 KB Output is correct
40 Correct 36 ms 2680 KB Output is correct
41 Correct 75 ms 4984 KB Output is correct
42 Correct 61 ms 4948 KB Output is correct
43 Correct 31 ms 2688 KB Output is correct
44 Correct 52 ms 4728 KB Output is correct
45 Correct 63 ms 4728 KB Output is correct
46 Correct 32 ms 2688 KB Output is correct
47 Correct 40 ms 2808 KB Output is correct
48 Correct 40 ms 2680 KB Output is correct
49 Correct 83 ms 5060 KB Output is correct
50 Correct 61 ms 4984 KB Output is correct
51 Correct 50 ms 3832 KB Output is correct
52 Correct 63 ms 4984 KB Output is correct
53 Correct 54 ms 4984 KB Output is correct
54 Correct 59 ms 4984 KB Output is correct
55 Correct 67 ms 4984 KB Output is correct