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Submission #96656

# Submission time Handle Problem Language Result Execution time Memory
96656 2019-02-10T15:43:59 Z figter001 Boxes with souvenirs (IOI15_boxes) C++14
10 / 100
 2 ms 376 KB 
#include "boxes.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
const int maxn = 1e7+50;

ll pre[maxn],suf[maxn];

long long delivery(int n, int k, int l, int p[]) {
	for(int i=0;i<n;i++){
		pre[i] = 2ll*p[i];
		if(i >= k)pre[i] += pre[i-k];
	}
	for(int i=n-1;i>=0;i--){
		suf[i] = 2ll*(l - p[i]);
		if(i + k < n)suf[i] += suf[i+k];
	}
	ll ans = min(pre[n-1],suf[0]);
	for(int i=0;i<n;i++){
		if(i+k+1 < n)ans = min(ans,pre[i] + l + suf[i+k+1]);
		ans = min(ans,pre[i] + suf[i+1]);
	}
	return ans;
}

Subtask #1
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 376 KB Output is correct
7 Correct 2 ms 348 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 252 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 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 376 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Incorrect 2 ms 376 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# 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 376 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Incorrect 2 ms 376 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# 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 376 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Incorrect 2 ms 376 KB Output isn't correct
9 Halted 0 ms 0 KB -