답안 #377228

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
377228	2021-03-13T13:44:20 Z	CaroLinda	K개의 묶음 (IZhO14_blocks)	C++14	100 / 100	195 ms	4208 KB

blocks

#include <bits/stdc++.h>
 
#define ll long long
#define all(x) x.begin(),x.end()
#define sz(x) (int)(x.size() )
#define lp(i,a,b) for(int i = a;  i< b ; i++ )
#define pii pair<int,int> 

const int MAXN = 1e5+10 ;
const ll inf = 1e15+10LL ;

using namespace std ;

int N , K ;
int lef[MAXN] , opt[MAXN] ;
ll arr[MAXN];
ll dp[2][MAXN] ;

int main()
{
	scanf("%d %d", &N , &K ) ;
	for(int i = 1 , mx = 0  ; i <= N ; i++ ) 
	{
		scanf("%lld", &arr[i] ) ;
	
		if( arr[i] > mx ) mx = arr[i] ;
		
		dp[0][i] = mx ;

	}

	if( K == 1 ) 
	{
		printf("%lld\n", dp[0][N] ) ;
		return 0 ;
	}

	dp[0][0] = dp[1][0] = inf ;

	int toGet = 0 , toFill = 1 ;
	for(int i = 2 ;  i<= K ; i++ , swap(toGet,toFill) )
	{
		for(int j = 1 ; j <= N ; j++ )
		{
			//if I'm forming my block where I'm the maximum
			lef[j] = j-1 ;
			opt[j] = j-1 ;

			while( lef[j] && arr[j] > arr[ lef[j] ] )
			{
				if( dp[toGet][opt[lef[j]]] < dp[toGet][ opt[j] ] )
					opt[j] = opt[ lef[j] ] ;

				lef[j] = lef[ lef[j] ] ;							
			}

			//if I'm forming my block where I'm not the maximum
			if( lef[j] && dp[toFill][ lef[j] ] < dp[toGet][ opt[j] ] + arr[j] )
				dp[toFill][j] = dp[toFill][lef[j] ] ;

			else dp[toFill][j] = dp[toGet][ opt[j] ]+arr[j] ;

		}
	}

	printf("%lld\n", dp[toGet][N] ) ;
		
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:21:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   21 |  scanf("%d %d", &N , &K ) ;
      |  ~~~~~^~~~~~~~~~~~~~~~~~~
blocks.cpp:24:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   24 |   scanf("%lld", &arr[i] ) ;
      |   ~~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct

Subtask #2
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct

Subtask #3
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	364 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct
37	Correct	1 ms	364 KB	Output is correct
38	Correct	1 ms	364 KB	Output is correct
39	Correct	1 ms	364 KB	Output is correct
40	Correct	1 ms	364 KB	Output is correct
41	Correct	1 ms	364 KB	Output is correct
42	Correct	1 ms	364 KB	Output is correct
43	Correct	1 ms	364 KB	Output is correct
44	Correct	1 ms	364 KB	Output is correct
45	Correct	1 ms	364 KB	Output is correct
46	Correct	1 ms	364 KB	Output is correct
47	Correct	1 ms	364 KB	Output is correct
48	Correct	1 ms	364 KB	Output is correct
49	Correct	1 ms	364 KB	Output is correct
50	Correct	1 ms	364 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	1 ms	364 KB	Output is correct
53	Correct	1 ms	364 KB	Output is correct
54	Correct	1 ms	364 KB	Output is correct
55	Correct	1 ms	364 KB	Output is correct
56	Correct	1 ms	364 KB	Output is correct
57	Correct	1 ms	364 KB	Output is correct

Subtask #4
47.0 / 47.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	364 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct
37	Correct	1 ms	364 KB	Output is correct
38	Correct	1 ms	364 KB	Output is correct
39	Correct	1 ms	364 KB	Output is correct
40	Correct	1 ms	364 KB	Output is correct
41	Correct	1 ms	364 KB	Output is correct
42	Correct	1 ms	364 KB	Output is correct
43	Correct	1 ms	364 KB	Output is correct
44	Correct	1 ms	364 KB	Output is correct
45	Correct	1 ms	364 KB	Output is correct
46	Correct	1 ms	364 KB	Output is correct
47	Correct	1 ms	364 KB	Output is correct
48	Correct	1 ms	364 KB	Output is correct
49	Correct	1 ms	364 KB	Output is correct
50	Correct	1 ms	364 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	1 ms	364 KB	Output is correct
53	Correct	1 ms	364 KB	Output is correct
54	Correct	1 ms	364 KB	Output is correct
55	Correct	1 ms	364 KB	Output is correct
56	Correct	1 ms	364 KB	Output is correct
57	Correct	1 ms	364 KB	Output is correct
58	Correct	4 ms	748 KB	Output is correct
59	Correct	7 ms	1388 KB	Output is correct
60	Correct	10 ms	2028 KB	Output is correct
61	Correct	41 ms	2028 KB	Output is correct
62	Correct	127 ms	4204 KB	Output is correct
63	Correct	17 ms	4204 KB	Output is correct
64	Correct	59 ms	4204 KB	Output is correct
65	Correct	1 ms	364 KB	Output is correct
66	Correct	1 ms	384 KB	Output is correct
67	Correct	1 ms	364 KB	Output is correct
68	Correct	1 ms	364 KB	Output is correct
69	Correct	1 ms	364 KB	Output is correct
70	Correct	1 ms	364 KB	Output is correct
71	Correct	18 ms	748 KB	Output is correct
72	Correct	2 ms	748 KB	Output is correct
73	Correct	6 ms	748 KB	Output is correct
74	Correct	7 ms	1388 KB	Output is correct
75	Correct	11 ms	2028 KB	Output is correct
76	Correct	67 ms	2156 KB	Output is correct
77	Correct	192 ms	4076 KB	Output is correct
78	Correct	18 ms	4208 KB	Output is correct
79	Correct	93 ms	4076 KB	Output is correct
80	Correct	18 ms	2540 KB	Output is correct
81	Correct	30 ms	4204 KB	Output is correct
82	Correct	195 ms	4204 KB	Output is correct
83	Correct	1 ms	364 KB	Output is correct
84	Correct	1 ms	364 KB	Output is correct
85	Correct	10 ms	876 KB	Output is correct
86	Correct	2 ms	748 KB	Output is correct
87	Correct	4 ms	748 KB	Output is correct
88	Correct	7 ms	1388 KB	Output is correct
89	Correct	9 ms	2028 KB	Output is correct
90	Correct	36 ms	2028 KB	Output is correct
91	Correct	107 ms	4204 KB	Output is correct
92	Correct	16 ms	4192 KB	Output is correct
93	Correct	54 ms	4204 KB	Output is correct
94	Correct	2 ms	748 KB	Output is correct
95	Correct	12 ms	768 KB	Output is correct
96	Correct	1 ms	364 KB	Output is correct
97	Correct	1 ms	364 KB	Output is correct
98	Correct	1 ms	364 KB	Output is correct
99	Correct	1 ms	364 KB	Output is correct

답안 #377228

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 18.0 / 18.0

Subtask #3 21.0 / 21.0

Subtask #4 47.0 / 47.0

Subtask #1
14.0 / 14.0

Subtask #2
18.0 / 18.0

Subtask #3
21.0 / 21.0

Subtask #4
47.0 / 47.0