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Submission #79403

# Submission time Handle Problem Language Result Execution time Memory
79403 2018-10-13T06:30:51 Z Plurm Boxes with souvenirs (IOI15_boxes) C++11
100 / 100
 1166 ms 229228 KB 
#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;

long long delivery(int N, int K, int L, int p[]) {
	vector<long long> dp1,dp2;
	vector<long long> suf;
	dp1.resize(N);
	dp2.resize(N);
	dp1[0] = 2ll*p[0];
	for(int i = 1; i < N; i++){
		dp1[i] = i >= K ? dp1[i-K] : 0ll;
		dp1[i] += 2ll*(long long)p[i];
	}
	dp2[N-1] = 2ll*(long long)(L-p[N-1]);
	for(int i = N-2; i >= 0; i--){
		dp2[i] = i+K >= N ? 0ll : dp2[i+K];
		dp2[i] += 2ll*(long long)(L-p[i]);
	}
	long long mn = (long long)(N+K-1)/(long long)K*(long long)L;
	for(int i = 0; i < N; i++){
		mn = min(mn,dp1[i] + (long long)(N-i+K-2)/(long long)K*(long long)L);
		mn = min(mn,dp2[i] + (long long)(i+K-1)/(long long)K*(long long)L);
	}
	for(int i = 0; i < K; i++){
		suf.clear();
		for(int j = (N-i-1)/K; j >= 0; j--) suf.push_back(0);
		for(int j = (N-i-1)/K; j >= 0; j--){
			suf[j] = min((K*(j+1)+i >= N ? (long long)1e18 : suf[j+1]),dp2[K*j+i] + (long long)j*(long long)L);
		}
		for(int j = (N-i-1)/K; j >= 0; j--){
			mn = min(mn,dp1[i+j*K-1] + suf[j] - (long long)(i+j*K)/(long long)K*(long long)L);
		}
	}
	return mn;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 252 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 252 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 252 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 404 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 256 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 252 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 252 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 404 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 97 ms 23500 KB Output is correct
34 Correct 70 ms 21124 KB Output is correct
35 Correct 70 ms 23276 KB Output is correct
36 Correct 102 ms 22520 KB Output is correct
37 Correct 108 ms 22392 KB Output is correct
38 Correct 118 ms 22492 KB Output is correct
39 Correct 96 ms 22100 KB Output is correct
40 Correct 86 ms 21088 KB Output is correct
41 Correct 158 ms 22484 KB Output is correct
42 Correct 84 ms 21076 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 252 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 252 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 404 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 97 ms 23500 KB Output is correct
34 Correct 70 ms 21124 KB Output is correct
35 Correct 70 ms 23276 KB Output is correct
36 Correct 102 ms 22520 KB Output is correct
37 Correct 108 ms 22392 KB Output is correct
38 Correct 118 ms 22492 KB Output is correct
39 Correct 96 ms 22100 KB Output is correct
40 Correct 86 ms 21088 KB Output is correct
41 Correct 158 ms 22484 KB Output is correct
42 Correct 84 ms 21076 KB Output is correct
43 Correct 893 ms 197488 KB Output is correct
44 Correct 721 ms 196296 KB Output is correct
45 Correct 684 ms 229228 KB Output is correct
46 Correct 921 ms 196524 KB Output is correct
47 Correct 931 ms 196256 KB Output is correct
48 Correct 1166 ms 196364 KB Output is correct
49 Correct 820 ms 196344 KB Output is correct
50 Correct 739 ms 196068 KB Output is correct
51 Correct 987 ms 196004 KB Output is correct
52 Correct 729 ms 196072 KB Output is correct