답안 #47045 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
47045	2018-04-27T03:36:31 Z	wzy	K개의 묶음 (IZhO14_blocks)	C++11	100 / 100	455 ms	122864 KB

blocks

#include <bits/stdc++.h>
using namespace std;
int n , k , dp[100005][105] , v[100005] , opt[100005][105] , pointer[105];

stack< pair<int,int> > s[105];



int main(){
	scanf("%d%d" , &n , &k);
	for(int i = 1 ; i<=n ;i ++) scanf("%d" , &v[i]);
	for(int i = 0 ; i  <= n; i ++)
		for(int j = 0 ; j <= k ; j++) opt[i][j] = 1000000009 , pointer[j] = 0 , dp[i][j] = 0;
	for(int j = 1 ; j <= k ; j++)
		for(int i = j ; i <= n; i++){
			if(j == 1){
				dp[i][j] = max(dp[i-1][j] , v[i]);
			}		
			else{
				int currminimal = dp[i-1][j-1];
				while(s[j].size() && s[j].top().second <= v[i]){
					currminimal = min(currminimal , s[j].top().first);
					s[j].pop();
					pointer[j]--;
				}
				dp[i][j] = min(currminimal + v[i] , opt[pointer[j]][j]);
				s[j].push(pair<int,int>(currminimal, v[i]));
				opt[pointer[j] + 1][j] = min(opt[pointer[j]][j] , currminimal + v[i]);
				pointer[j]++;
			}
		}
		printf("%d\n" , dp[n][k]);

}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:14:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(int j = 1 ; j <= k ; j++)
  ^~~
blocks.cpp:32:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   printf("%d\n" , dp[n][k]);
   ^~~~~~
blocks.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d" , &n , &k);
  ~~~~~^~~~~~~~~~~~~~~~~~
blocks.cpp:11:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 1 ; i<=n ;i ++) scanf("%d" , &v[i]);
                              ~~~~~^~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	624 KB	Output is correct
3	Correct	2 ms	624 KB	Output is correct
4	Correct	2 ms	624 KB	Output is correct
5	Correct	2 ms	716 KB	Output is correct
6	Correct	2 ms	716 KB	Output is correct
7	Correct	2 ms	828 KB	Output is correct
8	Correct	2 ms	828 KB	Output is correct
9	Correct	2 ms	828 KB	Output is correct
10	Correct	2 ms	828 KB	Output is correct
11	Correct	2 ms	828 KB	Output is correct
12	Correct	2 ms	916 KB	Output is correct
13	Correct	2 ms	1020 KB	Output is correct
14	Correct	2 ms	1020 KB	Output is correct
15	Correct	2 ms	1020 KB	Output is correct
16	Correct	2 ms	1020 KB	Output is correct
17	Correct	2 ms	1020 KB	Output is correct
18	Correct	2 ms	1020 KB	Output is correct

Subtask #2
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	1020 KB	Output is correct
2	Correct	2 ms	1020 KB	Output is correct
3	Correct	2 ms	1020 KB	Output is correct
4	Correct	2 ms	1020 KB	Output is correct
5	Correct	2 ms	1020 KB	Output is correct
6	Correct	2 ms	1020 KB	Output is correct
7	Correct	2 ms	1020 KB	Output is correct
8	Correct	2 ms	1020 KB	Output is correct
9	Correct	2 ms	1020 KB	Output is correct
10	Correct	2 ms	1020 KB	Output is correct
11	Correct	2 ms	1020 KB	Output is correct
12	Correct	2 ms	1020 KB	Output is correct
13	Correct	2 ms	1020 KB	Output is correct
14	Correct	2 ms	1020 KB	Output is correct
15	Correct	2 ms	1020 KB	Output is correct
16	Correct	2 ms	1020 KB	Output is correct
17	Correct	2 ms	1020 KB	Output is correct
18	Correct	2 ms	1020 KB	Output is correct
19	Correct	2 ms	1020 KB	Output is correct
20	Correct	2 ms	1020 KB	Output is correct

Subtask #3
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	1020 KB	Output is correct
2	Correct	2 ms	1020 KB	Output is correct
3	Correct	2 ms	1020 KB	Output is correct
4	Correct	2 ms	1020 KB	Output is correct
5	Correct	2 ms	1020 KB	Output is correct
6	Correct	2 ms	1020 KB	Output is correct
7	Correct	2 ms	1040 KB	Output is correct
8	Correct	2 ms	1040 KB	Output is correct
9	Correct	2 ms	1040 KB	Output is correct
10	Correct	2 ms	1040 KB	Output is correct
11	Correct	2 ms	1040 KB	Output is correct
12	Correct	2 ms	1040 KB	Output is correct
13	Correct	2 ms	1064 KB	Output is correct
14	Correct	2 ms	1068 KB	Output is correct
15	Correct	2 ms	1076 KB	Output is correct
16	Correct	2 ms	1076 KB	Output is correct
17	Correct	2 ms	1076 KB	Output is correct
18	Correct	2 ms	1088 KB	Output is correct
19	Correct	2 ms	1092 KB	Output is correct

Subtask #4
47.0 / 47.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	9288 KB	Output is correct
2	Correct	31 ms	38032 KB	Output is correct
3	Correct	52 ms	38388 KB	Output is correct
4	Correct	121 ms	38800 KB	Output is correct
5	Correct	455 ms	85320 KB	Output is correct
6	Correct	73 ms	86012 KB	Output is correct
7	Correct	211 ms	86712 KB	Output is correct
8	Correct	2 ms	86712 KB	Output is correct
9	Correct	2 ms	86712 KB	Output is correct
10	Correct	2 ms	86712 KB	Output is correct
11	Correct	3 ms	86712 KB	Output is correct
12	Correct	3 ms	86712 KB	Output is correct
13	Correct	3 ms	86712 KB	Output is correct
14	Correct	48 ms	86712 KB	Output is correct
15	Correct	9 ms	86712 KB	Output is correct
16	Correct	14 ms	86712 KB	Output is correct
17	Correct	32 ms	86712 KB	Output is correct
18	Correct	44 ms	86712 KB	Output is correct
19	Correct	128 ms	86712 KB	Output is correct
20	Correct	389 ms	88408 KB	Output is correct
21	Correct	74 ms	89204 KB	Output is correct
22	Correct	219 ms	90036 KB	Output is correct
23	Correct	73 ms	90596 KB	Output is correct
24	Correct	118 ms	91280 KB	Output is correct
25	Correct	383 ms	92080 KB	Output is correct
26	Correct	7 ms	92080 KB	Output is correct
27	Correct	3 ms	92080 KB	Output is correct
28	Correct	39 ms	92080 KB	Output is correct
29	Correct	9 ms	92080 KB	Output is correct
30	Correct	15 ms	92080 KB	Output is correct
31	Correct	31 ms	92080 KB	Output is correct
32	Correct	39 ms	92080 KB	Output is correct
33	Correct	127 ms	92080 KB	Output is correct
34	Correct	429 ms	122864 KB	Output is correct
35	Correct	76 ms	122864 KB	Output is correct
36	Correct	250 ms	122864 KB	Output is correct
37	Correct	23 ms	122864 KB	Output is correct
38	Correct	30 ms	122864 KB	Output is correct
39	Correct	3 ms	122864 KB	Output is correct
40	Correct	2 ms	122864 KB	Output is correct
41	Correct	2 ms	122864 KB	Output is correct
42	Correct	2 ms	122864 KB	Output is correct

답안 #47045

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