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Submission #130936

# Submission time Handle Problem Language Result Execution time Memory
130936 2019-07-16T09:27:16 Z antimirage Boxes with souvenirs (IOI15_boxes) C++14
100 / 100
 763 ms 209264 KB 
#include "boxes.h"
//#include "grader.cpp"
#include <bits/stdc++.h>

#define fr first
#define sc second
#define mk make_pair
#define pb push_back
#define all(s) s.begin(), s.end()

using namespace std;

const int N = 1e7 + 5;

long long dp[N], mn = 1e18;

deque <pair < long long, int> > q, q2;

long long delivery(int n, int k, int l, int pos[]) {		
	memset(dp, 0x3f3f3f3f, sizeof(dp));
	int j = 0;
	
	for (int i = 0; i < n; i++) {
		
		while (j < i && pos[i] * 2 <= (l - pos[j + 1]) * 2) {
			while (!q2.empty() && q2.back().fr > dp[j] )
				q2.pop_back();
			
			q2.push_back({dp[j], j});
			j++;
		}
		while (!q2.empty() && q2.front().sc < i - k)
			q2.pop_front();
		
		while (!q.empty() && (q.front().sc < i - k || q.front().sc < j) )
			q.pop_front();
			
		if (i < k) {
			dp[i] = min( pos[i] * 2, min( l, (l - pos[0]) * 2 ) ) * 1ll;
		}
		if (i > 0) {
			if (q.empty())
				dp[i] = min( dp[i], q2.front().fr + min(pos[i] * 2, l) );
			else if (q2.empty())
				dp[i] = min( dp[i], q.front().fr );
			else 
				dp[i] = min(dp[i], min( q.front().fr, min(pos[i] * 2, l) + q2.front().fr ) );
		}
		if (i == n - 1)
			return dp[n - 1];
			
		while (!q.empty() && q.back().fr >= dp[i] + (l - pos[i + 1]) * 2)
			q.pop_back();
			
		q.push_back({dp[i] + (l - pos[i + 1]) * 2, i});
	}
}

Compilation message

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:57:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 78584 KB Output is correct
2 Correct 67 ms 78584 KB Output is correct
3 Correct 67 ms 78584 KB Output is correct
4 Correct 67 ms 78584 KB Output is correct
5 Correct 67 ms 78584 KB Output is correct
6 Correct 67 ms 78672 KB Output is correct
7 Correct 67 ms 78584 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 78628 KB Output is correct
2 Correct 67 ms 78584 KB Output is correct
3 Correct 68 ms 78620 KB Output is correct
4 Correct 68 ms 78584 KB Output is correct
5 Correct 68 ms 78584 KB Output is correct
6 Correct 67 ms 78584 KB Output is correct
7 Correct 68 ms 78556 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 78652 KB Output is correct
2 Correct 67 ms 78584 KB Output is correct
3 Correct 68 ms 78588 KB Output is correct
4 Correct 67 ms 78584 KB Output is correct
5 Correct 67 ms 78712 KB Output is correct
6 Correct 67 ms 78712 KB Output is correct
7 Correct 68 ms 78584 KB Output is correct
8 Correct 67 ms 78520 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 78584 KB Output is correct
2 Correct 67 ms 78584 KB Output is correct
3 Correct 67 ms 78584 KB Output is correct
4 Correct 67 ms 78584 KB Output is correct
5 Correct 67 ms 78584 KB Output is correct
6 Correct 67 ms 78672 KB Output is correct
7 Correct 67 ms 78584 KB Output is correct
8 Correct 74 ms 78628 KB Output is correct
9 Correct 67 ms 78584 KB Output is correct
10 Correct 68 ms 78620 KB Output is correct
11 Correct 68 ms 78584 KB Output is correct
12 Correct 68 ms 78584 KB Output is correct
13 Correct 67 ms 78584 KB Output is correct
14 Correct 68 ms 78556 KB Output is correct
15 Correct 68 ms 78652 KB Output is correct
16 Correct 67 ms 78584 KB Output is correct
17 Correct 68 ms 78588 KB Output is correct
18 Correct 67 ms 78584 KB Output is correct
19 Correct 67 ms 78712 KB Output is correct
20 Correct 67 ms 78712 KB Output is correct
21 Correct 68 ms 78584 KB Output is correct
22 Correct 67 ms 78520 KB Output is correct
23 Correct 67 ms 78632 KB Output is correct
24 Correct 68 ms 78584 KB Output is correct
25 Correct 67 ms 78556 KB Output is correct
26 Correct 67 ms 78584 KB Output is correct
27 Correct 67 ms 78584 KB Output is correct
28 Correct 67 ms 78584 KB Output is correct
29 Correct 67 ms 78584 KB Output is correct
30 Correct 67 ms 78584 KB Output is correct
31 Correct 67 ms 78584 KB Output is correct
32 Correct 68 ms 78584 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 78584 KB Output is correct
2 Correct 67 ms 78584 KB Output is correct
3 Correct 67 ms 78584 KB Output is correct
4 Correct 67 ms 78584 KB Output is correct
5 Correct 67 ms 78584 KB Output is correct
6 Correct 67 ms 78672 KB Output is correct
7 Correct 67 ms 78584 KB Output is correct
8 Correct 74 ms 78628 KB Output is correct
9 Correct 67 ms 78584 KB Output is correct
10 Correct 68 ms 78620 KB Output is correct
11 Correct 68 ms 78584 KB Output is correct
12 Correct 68 ms 78584 KB Output is correct
13 Correct 67 ms 78584 KB Output is correct
14 Correct 68 ms 78556 KB Output is correct
15 Correct 68 ms 78652 KB Output is correct
16 Correct 67 ms 78584 KB Output is correct
17 Correct 68 ms 78588 KB Output is correct
18 Correct 67 ms 78584 KB Output is correct
19 Correct 67 ms 78712 KB Output is correct
20 Correct 67 ms 78712 KB Output is correct
21 Correct 68 ms 78584 KB Output is correct
22 Correct 67 ms 78520 KB Output is correct
23 Correct 67 ms 78632 KB Output is correct
24 Correct 68 ms 78584 KB Output is correct
25 Correct 67 ms 78556 KB Output is correct
26 Correct 67 ms 78584 KB Output is correct
27 Correct 67 ms 78584 KB Output is correct
28 Correct 67 ms 78584 KB Output is correct
29 Correct 67 ms 78584 KB Output is correct
30 Correct 67 ms 78584 KB Output is correct
31 Correct 67 ms 78584 KB Output is correct
32 Correct 68 ms 78584 KB Output is correct
33 Correct 130 ms 82976 KB Output is correct
34 Correct 100 ms 84472 KB Output is correct
35 Correct 101 ms 84984 KB Output is correct
36 Correct 126 ms 92280 KB Output is correct
37 Correct 126 ms 92456 KB Output is correct
38 Correct 133 ms 92252 KB Output is correct
39 Correct 125 ms 90744 KB Output is correct
40 Correct 108 ms 86232 KB Output is correct
41 Correct 125 ms 92328 KB Output is correct
42 Correct 101 ms 86392 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 78584 KB Output is correct
2 Correct 67 ms 78584 KB Output is correct
3 Correct 67 ms 78584 KB Output is correct
4 Correct 67 ms 78584 KB Output is correct
5 Correct 67 ms 78584 KB Output is correct
6 Correct 67 ms 78672 KB Output is correct
7 Correct 67 ms 78584 KB Output is correct
8 Correct 74 ms 78628 KB Output is correct
9 Correct 67 ms 78584 KB Output is correct
10 Correct 68 ms 78620 KB Output is correct
11 Correct 68 ms 78584 KB Output is correct
12 Correct 68 ms 78584 KB Output is correct
13 Correct 67 ms 78584 KB Output is correct
14 Correct 68 ms 78556 KB Output is correct
15 Correct 68 ms 78652 KB Output is correct
16 Correct 67 ms 78584 KB Output is correct
17 Correct 68 ms 78588 KB Output is correct
18 Correct 67 ms 78584 KB Output is correct
19 Correct 67 ms 78712 KB Output is correct
20 Correct 67 ms 78712 KB Output is correct
21 Correct 68 ms 78584 KB Output is correct
22 Correct 67 ms 78520 KB Output is correct
23 Correct 67 ms 78632 KB Output is correct
24 Correct 68 ms 78584 KB Output is correct
25 Correct 67 ms 78556 KB Output is correct
26 Correct 67 ms 78584 KB Output is correct
27 Correct 67 ms 78584 KB Output is correct
28 Correct 67 ms 78584 KB Output is correct
29 Correct 67 ms 78584 KB Output is correct
30 Correct 67 ms 78584 KB Output is correct
31 Correct 67 ms 78584 KB Output is correct
32 Correct 68 ms 78584 KB Output is correct
33 Correct 130 ms 82976 KB Output is correct
34 Correct 100 ms 84472 KB Output is correct
35 Correct 101 ms 84984 KB Output is correct
36 Correct 126 ms 92280 KB Output is correct
37 Correct 126 ms 92456 KB Output is correct
38 Correct 133 ms 92252 KB Output is correct
39 Correct 125 ms 90744 KB Output is correct
40 Correct 108 ms 86232 KB Output is correct
41 Correct 125 ms 92328 KB Output is correct
42 Correct 101 ms 86392 KB Output is correct
43 Correct 740 ms 209264 KB Output is correct
44 Correct 405 ms 145672 KB Output is correct
45 Correct 423 ms 145276 KB Output is correct
46 Correct 763 ms 190320 KB Output is correct
47 Correct 693 ms 186732 KB Output is correct
48 Correct 653 ms 190968 KB Output is correct
49 Correct 664 ms 197716 KB Output is correct
50 Correct 467 ms 161056 KB Output is correct
51 Correct 664 ms 191696 KB Output is correct
52 Correct 409 ms 151216 KB Output is correct