Submission #978116

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
978116	2024-05-08T21:16:02 Z	Isam	Global Warming (CEOI18_glo)	C++17	38 / 100	2000 ms	2908 KB

glo

#include<bits/stdc++.h>
using namespace std;

#define eb emplace_back
#define intt long long
#define all(x) begin(x),end(x)


constexpr int sz = 2e5 + 5;
constexpr intt inf = 1E18 + 7;

int n, x, t[sz];

signed main(){
	ios_base::sync_with_stdio(0), cin.tie(0);
	
	cin >> n >> x;
	
	for(register int i = 1; i <= n; ++i){
		cin >> t[i];
	}
	
	vector<intt> dp(n+1, inf);
		
	dp[0] = -inf;
		
	for(register int i = 1; i <= n; ++i){
			
		int l = upper_bound(all(dp), t[i]) - dp.begin();
		if(dp[l] > t[i] && dp[l-1] < t[i]) dp[l] = t[i];
			
			
	}
	
	int ans(1);
		
	for(register int i = 1; i <= n; ++i) if(dp[i] ^ inf) ans = i;
	
	if(x == 0) return cout << ans << '\n', 0; 
		
	
	for(register int i = n; i >= 1; --i){
		t[i] += x;
		
		vector<intt> dp(n+1, inf);
		
		dp[0] = -inf;
		
		for(register int i = 1; i <= n; ++i){
			
			int l = upper_bound(all(dp), t[i]) - dp.begin();
			if(dp[l] > t[i] && dp[l-1] < t[i]) dp[l] = t[i];
			
			
		}
		
		
		for(register int i = ans + 1; i <= n; ++i) if(dp[i] ^ inf) ans = max(ans, i);
		
		
		
		
		
	}
	
	
	
	
	cout << ans << '\n';
		
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:19:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   19 |  for(register int i = 1; i <= n; ++i){
      |                   ^
glo.cpp:27:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   27 |  for(register int i = 1; i <= n; ++i){
      |                   ^
glo.cpp:37:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   37 |  for(register int i = 1; i <= n; ++i) if(dp[i] ^ inf) ans = i;
      |                   ^
glo.cpp:42:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   42 |  for(register int i = n; i >= 1; --i){
      |                   ^
glo.cpp:49:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   49 |   for(register int i = 1; i <= n; ++i){
      |                    ^
glo.cpp:58:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   58 |   for(register int i = ans + 1; i <= n; ++i) if(dp[i] ^ inf) ans = max(ans, i);
      |                    ^

Subtask #1

5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	604 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	604 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	500 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #3

13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	604 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	500 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	19 ms	492 KB	Output is correct
20	Correct	17 ms	492 KB	Output is correct
21	Correct	18 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	17 ms	484 KB	Output is correct
24	Correct	17 ms	348 KB	Output is correct
25	Correct	25 ms	348 KB	Output is correct
26	Correct	23 ms	344 KB	Output is correct

Subtask #4

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	28 ms	2652 KB	Output is correct
2	Correct	27 ms	2816 KB	Output is correct
3	Correct	27 ms	2648 KB	Output is correct
4	Correct	29 ms	2908 KB	Output is correct
5	Correct	20 ms	2652 KB	Output is correct

Subtask #5

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	2047 ms	1372 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #6

0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	2039 ms	2396 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #7

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	604 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	500 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	19 ms	492 KB	Output is correct
20	Correct	17 ms	492 KB	Output is correct
21	Correct	18 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	17 ms	484 KB	Output is correct
24	Correct	17 ms	348 KB	Output is correct
25	Correct	25 ms	348 KB	Output is correct
26	Correct	23 ms	344 KB	Output is correct
27	Correct	28 ms	2652 KB	Output is correct
28	Correct	27 ms	2816 KB	Output is correct
29	Correct	27 ms	2648 KB	Output is correct
30	Correct	29 ms	2908 KB	Output is correct
31	Correct	20 ms	2652 KB	Output is correct
32	Execution timed out	2047 ms	1372 KB	Time limit exceeded
33	Halted	0 ms	0 KB	-