답안 #476510

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
476510	2021-09-27T12:46:52 Z	RambaXGorilla	Global Warming (CEOI18_glo)	C++17	100 / 100	86 ms	5360 KB

glo

#include<cstdio>
#include<climits>
#include<algorithm>
using namespace std;
int N, X;
int temps[200010];
int incSubs[200010];
int decSubs[200010];
int lengths[200010];
int main(){
    scanf("%d%d",&N,&X);
    for(int i = 0;i < N;i++){
        scanf("%d",&temps[i]);
    }
    fill(incSubs, incSubs + N, INT_MAX);
    for(int i = 0;i < N;i++){
        int pos = lower_bound(incSubs, incSubs + N, temps[i]) - incSubs;
        incSubs[pos] = temps[i];
        lengths[i] = pos + 1;
    }
    int longest = 0;
    fill(decSubs, decSubs + N, INT_MAX);
    for(int i = N - 1;i > -1;i--){
        int pos1 = lower_bound(decSubs, decSubs + N, X - temps[i]) - decSubs;
        longest = max(longest, lengths[i] + pos1);
        int pos2 = lower_bound(decSubs, decSubs + N, -temps[i]) - decSubs;
        decSubs[pos2] = -temps[i];
    }
    printf("%d",longest);
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     scanf("%d%d",&N,&X);
      |     ~~~~~^~~~~~~~~~~~~~
glo.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |         scanf("%d",&temps[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~

Subtask #1

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	288 KB	Output is correct
3	Correct	0 ms	284 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	288 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	288 KB	Output is correct
10	Correct	0 ms	292 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct

Subtask #2

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	288 KB	Output is correct
3	Correct	0 ms	284 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	288 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	288 KB	Output is correct
10	Correct	0 ms	292 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	284 KB	Output is correct

Subtask #3

13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	288 KB	Output is correct
3	Correct	0 ms	284 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	288 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	288 KB	Output is correct
10	Correct	0 ms	292 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	284 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct

Subtask #4

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	73 ms	5360 KB	Output is correct
2	Correct	69 ms	5272 KB	Output is correct
3	Correct	69 ms	5316 KB	Output is correct
4	Correct	86 ms	5308 KB	Output is correct
5	Correct	51 ms	4492 KB	Output is correct

Subtask #5

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	1520 KB	Output is correct
2	Correct	15 ms	1612 KB	Output is correct
3	Correct	22 ms	1444 KB	Output is correct
4	Correct	13 ms	1272 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	14 ms	1408 KB	Output is correct
7	Correct	14 ms	1500 KB	Output is correct

Subtask #6

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	31 ms	2736 KB	Output is correct
2	Correct	32 ms	2756 KB	Output is correct
3	Correct	65 ms	5316 KB	Output is correct
4	Correct	54 ms	4544 KB	Output is correct
5	Correct	27 ms	2408 KB	Output is correct
6	Correct	46 ms	4440 KB	Output is correct
7	Correct	49 ms	5052 KB	Output is correct
8	Correct	27 ms	2756 KB	Output is correct

Subtask #7

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	288 KB	Output is correct
3	Correct	0 ms	284 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	288 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	288 KB	Output is correct
10	Correct	0 ms	292 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	284 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	73 ms	5360 KB	Output is correct
28	Correct	69 ms	5272 KB	Output is correct
29	Correct	69 ms	5316 KB	Output is correct
30	Correct	86 ms	5308 KB	Output is correct
31	Correct	51 ms	4492 KB	Output is correct
32	Correct	16 ms	1520 KB	Output is correct
33	Correct	15 ms	1612 KB	Output is correct
34	Correct	22 ms	1444 KB	Output is correct
35	Correct	13 ms	1272 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	14 ms	1408 KB	Output is correct
38	Correct	14 ms	1500 KB	Output is correct
39	Correct	31 ms	2736 KB	Output is correct
40	Correct	32 ms	2756 KB	Output is correct
41	Correct	65 ms	5316 KB	Output is correct
42	Correct	54 ms	4544 KB	Output is correct
43	Correct	27 ms	2408 KB	Output is correct
44	Correct	46 ms	4440 KB	Output is correct
45	Correct	49 ms	5052 KB	Output is correct
46	Correct	27 ms	2756 KB	Output is correct
47	Correct	33 ms	2800 KB	Output is correct
48	Correct	32 ms	2708 KB	Output is correct
49	Correct	68 ms	5316 KB	Output is correct
50	Correct	52 ms	4544 KB	Output is correct
51	Correct	41 ms	3472 KB	Output is correct
52	Correct	58 ms	4676 KB	Output is correct
53	Correct	49 ms	4548 KB	Output is correct
54	Correct	55 ms	5316 KB	Output is correct
55	Correct	60 ms	5344 KB	Output is correct