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Submission #70557

# Submission time Handle Problem Language Result Execution time Memory
70557 2018-08-23T06:06:55 Z Sa1378 Boxes with souvenirs (IOI15_boxes) C++17
20 / 100
 2 ms 376 KB 
#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define N ((int)1e7+10)

ll dp[N];

ll delivery(int n,int k, int l, int p[])
{
	int id=0;
	for(int i=0;i<n && p[i]<=l/2;i++,id++)
		dp[i]=2*p[i]+((i-k<0)?0:dp[i-k]);
	for(int i=n-1;i>=id;i--)
		dp[i]=2*(l-p[i])+((i+k>=n)?0:dp[i+k]);
	ll ans=min((ll)(n+k-1)/k*l,((id>0)?dp[id-1]:0)+dp[id]);
/*	int lft=max(0,id-k),rght=l+k;
	while(lft<=id && rght<=n)
		ans=min(ans,dp[rght]+((lft>0)?dp[lft-1]:0)+l),
		lft++,rght++;
  */  return ans;
}

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 376 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 252 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 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 252 KB Output is correct
7 Correct 2 ms 376 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# 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 376 KB Output is correct
4 Correct 2 ms 376 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
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 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 252 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Incorrect 2 ms 256 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# 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 376 KB Output is correct
4 Correct 2 ms 376 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
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 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 252 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Incorrect 2 ms 256 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# 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 376 KB Output is correct
4 Correct 2 ms 376 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
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 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 252 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Incorrect 2 ms 256 KB Output isn't correct
16 Halted 0 ms 0 KB -