oj.uz

Submission #81678

# Submission time Handle Problem Language Result Execution time Memory
81678 2018-10-26T06:16:38 Z wzy Boxes with souvenirs (IOI15_boxes) C++11
0 / 100
 15 ms 376 KB 
#include <bits/stdc++.h>
#include "boxes.h"
using namespace std;


long long delivery(int N, int K, int L, int p[]) {
	#define int long long 
	int ans = (int) 1e18;
	int k = K;
	int n = N;
	int l = L;
	for(int j = N - 1 ; j >= 0 ; j--){
		for(int r = 0 ; (j - k*r + 1) >= 0 ; r++){
			int u = j - k*r + 1;
			if(u > j) continue;
		//	cout<<u<<" " << j <<" " << ans << endl;
			ans = min(ans , 2*p[u]*((u+1)/k + ((u+1)%k ? 1 : 0)) + 2*(L - p[j])*((n - j)/k + ((n-j)%k ? 1 : 0)) + L*((j-u+1)/k + ((j-u+1)%k ? 1 : 0)));
		//	cout<<u<<" " << j <<" " << ans << endl;
		}
	//	cout<<"__"<<endl;
	//	cout<<j <<" " << ans << endl;
		ans = min(ans , 2*(L - p[j])*((n-j)/k + ((n-j)%k ? 1 : 0)) + L*((j)/k + (j%k ? 1 : 0)));
	//	cout<<j <<" " << ans << endl;
		int i = j;
		ans = min(ans , 2*p[i]*((i+1)/k + ((i+1)%k ? 1 : 0)) + L *((n-i-1)/k + ((n-i-1)%k ? 1 : 0)));
	//	cout<<j <<" " << ans <<" "<<endl;
	//	cout<<"__"<<endl;
	}
    return ans;
}

Compilation message

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:11:6: warning: unused variable 'l' [-Wunused-variable]
  int l = L;
      ^

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Incorrect 15 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 296 KB Output is correct
2 Correct 2 ms 256 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 #3
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 Incorrect 2 ms 256 KB Output isn't correct
4 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 Incorrect 15 ms 256 KB Output isn't correct
3 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 Incorrect 15 ms 256 KB Output isn't correct
3 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 Incorrect 15 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -