oj.uz

Submission #70551

# Submission time Handle Problem Language Result Execution time Memory
70551 2018-08-23T05:59:52 Z Sa1378 Boxes with souvenirs (IOI15_boxes) C++17
10 / 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>=0 && p[i]>l/2;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
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 Halted 0 ms 0 KB -

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 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 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 376 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 348 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 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 348 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 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 348 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 Halted 0 ms 0 KB -