oj.uz

Submission #129861

# Submission time Handle Problem Language Result Execution time Memory
129861 2019-07-13T11:27:24 Z MoNsTeR_CuBe Boxes with souvenirs (IOI15_boxes) C++17
10 / 100
 2 ms 380 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

	vector< int > left;

	int curr = K;

	int last = 0;

	int currCost = 0;

	for(int i = 0; i < N; i++){
		left.push_back(min(L,2*(p[i])));
		if(i - K >= 0){
            left.back()+=left[i-K];
		}
	}
	//left.push_back(L-last);
	/*cout << "LEFT "<< endl;
	for(int a : left) cout << a << ' ';
	cout << endl;*/

	vector< int > right;

	curr = K;
	last = L;
	currCost = 0;

	for(int i = N-1; i >= 0; i--){
		right.push_back(min(L, 2*(L-p[i])));
		if(i+K < N){
            right.back() += right[i-K];
		}
	}
	//right.push_back(last + currCost);
	/*cout << "RIGHT " << endl;
	for(int a : right) cout << a << ' ';
	cout << endl;*/

	//reverse(right.begin(), right.end());
	int ans = min(right[N - 1], left[N-1]);

	for(int i = 0; i < N; i++){
		if(N - 2 - i < 0) continue;
		//cout << "INDEX " << i << ' ' << left[i] << ' ' << right[N-2-i] << ' ' << min(p[i], L-p[i]) << ' ' << min(p[i+1], L-p[i+1]) << endl;
		//cout << p[N-2-i] << ' ' << L-p[N-2-i] << endl;
		ans = min(ans, left[i] + right[N - 2 - i]);
	}

	return ans;
	#undef int
}

Compilation message

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:10:6: warning: variable 'curr' set but not used [-Wunused-but-set-variable]
  int curr = K;
      ^~~~
boxes.cpp:12:6: warning: variable 'last' set but not used [-Wunused-but-set-variable]
  int last = 0;
      ^~~~
boxes.cpp:14:6: warning: variable 'currCost' set but not used [-Wunused-but-set-variable]
  int currCost = 0;
      ^~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Incorrect 2 ms 376 KB Output isn't correct
3 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 352 KB Output is correct
3 Correct 2 ms 380 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 #3
0 / 15.0

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