답안 #337080

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
337080 2020-12-18T06:58:36 Z blue 선물상자 (IOI15_boxes) C++11
35 / 100
1 ms 512 KB
#include "boxes.h"
#include <iostream>
using namespace std;

long long ll(int a)
{
    return (long long)(a);
}

//#teams, capacity, #sections, position of each team
long long delivery(int N, int K, int L, int positions[])
{
    long long dp_inc[N]; //minimum time needed to cover all 0, 1, ... i and end up at positions[i]

    dp_inc[0] = ll(positions[0]);
    for(int i = 1; i < K; i++)
    {
        dp_inc[i] = ll(positions[i]);
    }
    for(int i = K; i < N; i++)
    {
        dp_inc[i] = dp_inc[i - K] + ll(positions[i - K]) + ll(positions[i]);
    }

    // for(int i = 0; i < N; i++) cout << dp_inc[i] << ' ';
    // cout << '\n';

    long long dp_dec[N];

    dp_dec[N-1] = ll(L) - ll(positions[N-1]);
    for(int i = N-2; i > N-K-1; i--)
    {
        dp_dec[i] = ll(L) - ll(positions[i]);
    }
    for(int i = N-K-1; i >= 0; i--)
    {
        dp_dec[i] = dp_dec[i + K] + (ll(L) - ll(positions[i + K])) + (ll(L) - ll(positions[i]));
    }


    //for(int i = 0; i < N; i++) cout << dp_dec[i] << ' ';
    //cout << '\n';

    long long res = ll(1000 * 1000 * 1000) * ll(1000 * 1000 * 1000);
    for(int i = 0; i < N-1; i++)
        res = min(res, dp_inc[i] + dp_dec[i+1] + ll(positions[i]) + (ll(L) - ll(positions[i+1])));

    res = min(res, dp_inc[N-1] + min(ll(positions[N-1]), ll(L) - ll(positions[N-1])));
    res = min(res, dp_dec[0] + min(ll(positions[0]), ll(L) - ll(positions[0])));

    return res;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 376 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 376 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 0 ms 364 KB Output is correct
22 Correct 0 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Incorrect 1 ms 364 KB Output isn't correct
28 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 376 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 0 ms 364 KB Output is correct
22 Correct 0 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Incorrect 1 ms 364 KB Output isn't correct
28 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 376 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 0 ms 364 KB Output is correct
22 Correct 0 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Incorrect 1 ms 364 KB Output isn't correct
28 Halted 0 ms 0 KB -