답안 #1053886

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1053886 2024-08-11T19:58:18 Z SamAnd Bikeparking (EGOI24_bikeparking) C++17
40 / 100
1000 ms 6236 KB
#include <bits/stdc++.h>
using namespace std;
#define m_p make_pair
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)(x).size())
#define fi first
#define se second
typedef long long ll;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
mt19937 rnf(2106);
const int N = 300005;
const int INF = 1000000009;

int n;
int x[N], y[N];
int cx[N], cy[N];

int stg(int p)
{
    for (int i = 1; i <= n; ++i)
    {
        cx[i] = x[i];
        cy[i] = y[i];
    }

    int ans = -p;

    int s = p;
    for (int i = n; i >= 1; --i)
    {
        if (x[i] >= s)
        {
            x[i] -= s;
            s = 0;
        }
        else
        {
            s -= x[i];
            x[i] = 0;
        }
    }
    assert(s == 0);

    s = p;
    for (int i = 1; i <= n; ++i)
    {
        if (y[i] >= s)
        {
            y[i] -= s;
            s = 0;
        }
        else
        {
            s -= y[i];
            y[i] = 0;
        }
    }
    assert(s == 0);

    int i = 1;
    int j = 1;
    while (i <= n && j <= n)
    {
        if (x[i] == 0)
        {
            ++i;
            continue;
        }
        if (y[j] == 0)
        {
            ++j;
            continue;
        }
        if (i > j)
        {
            for (int i = 1; i <= n; ++i)
            {
                x[i] = cx[i];
                y[i] = cy[i];
            }
            return -INF;
        }
        int minu = min(x[i], y[j]);
        if (x[i] >= y[j])
        {
            x[i] -= y[j];
            y[j] = 0;
        }
        else
        {
            y[j] -= x[i];
            x[i] = 0;
        }
        if (i < j)
            ans += minu;
    }

    for (int i = 1; i <= n; ++i)
    {
        x[i] = cx[i];
        y[i] = cy[i];
    }

    return ans;
}

void solv()
{
    cin >> n;
    for (int i = 1; i <= n; ++i)
        cin >> x[i];
    for (int i = 1; i <= n; ++i)
        cin >> y[i];

    int s = 0;
    for (int i = 1; i <= n; ++i)
        s += x[i];
    for (int i = 1; i <= n; ++i)
        s -= y[i];
    assert(s >= 0);

    for (int i = n; i >= 1; --i)
    {
        if (x[i] >= s)
        {
            x[i] -= s;
            s = 0;
        }
        else
        {
            s -= x[i];
            x[i] = 0;
        }
    }
    assert(s == 0);

    for (int i = 1; i <= n; ++i)
        s += x[i];

    int ans = -INF;
    for (int p = 0; p <= s; ++p)
    {
        ans = max(ans, stg(p));
    }

    cout << ans << "\n";
}

int main()
{
    #ifdef SOMETHING
    freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);
    #endif // SOMETHING
    ios_base::sync_with_stdio(false), cin.tie(0);

    int tt = 1;
    //cin >> tt;
    while (tt--)
    {
        solv();
    }
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 0 ms 4444 KB Output is correct
4 Correct 0 ms 4444 KB Output is correct
5 Correct 0 ms 4580 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 0 ms 4444 KB Output is correct
8 Correct 0 ms 4444 KB Output is correct
9 Correct 0 ms 4444 KB Output is correct
10 Correct 0 ms 4444 KB Output is correct
11 Correct 0 ms 4444 KB Output is correct
12 Correct 0 ms 4444 KB Output is correct
13 Correct 0 ms 4444 KB Output is correct
14 Correct 0 ms 4444 KB Output is correct
15 Correct 0 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 4440 KB Output is correct
19 Correct 0 ms 4572 KB Output is correct
20 Correct 0 ms 4444 KB Output is correct
21 Correct 0 ms 4444 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 0 ms 4444 KB Output is correct
4 Correct 6 ms 4444 KB Output is correct
5 Correct 34 ms 6160 KB Output is correct
6 Execution timed out 1070 ms 6032 KB Time limit exceeded
7 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 17 ms 6236 KB Output is correct
3 Execution timed out 1065 ms 5980 KB Time limit exceeded
4 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 0 ms 4444 KB Output is correct
4 Correct 0 ms 4444 KB Output is correct
5 Correct 0 ms 4580 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 0 ms 4444 KB Output is correct
8 Correct 0 ms 4444 KB Output is correct
9 Correct 0 ms 4444 KB Output is correct
10 Correct 0 ms 4444 KB Output is correct
11 Correct 0 ms 4444 KB Output is correct
12 Correct 0 ms 4444 KB Output is correct
13 Correct 0 ms 4444 KB Output is correct
14 Correct 0 ms 4444 KB Output is correct
15 Correct 0 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 4440 KB Output is correct
19 Correct 0 ms 4572 KB Output is correct
20 Correct 0 ms 4444 KB Output is correct
21 Correct 0 ms 4444 KB Output is correct
22 Correct 1 ms 4440 KB Output is correct
23 Correct 1 ms 4572 KB Output is correct
24 Correct 0 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 0 ms 4444 KB Output is correct
27 Correct 0 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 0 ms 4572 KB Output is correct
30 Correct 0 ms 4444 KB Output is correct
31 Correct 0 ms 4444 KB Output is correct
32 Correct 0 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 0 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 0 ms 4576 KB Output is correct
38 Correct 1 ms 4440 KB Output is correct
39 Correct 0 ms 4444 KB Output is correct
40 Correct 0 ms 4444 KB Output is correct
41 Correct 0 ms 4444 KB Output is correct
42 Correct 1 ms 4444 KB Output is correct
43 Correct 4 ms 4580 KB Output is correct
44 Correct 0 ms 4444 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 0 ms 4444 KB Output is correct
47 Correct 0 ms 4444 KB Output is correct
48 Correct 1 ms 4440 KB Output is correct
49 Correct 0 ms 4444 KB Output is correct
50 Correct 3 ms 4444 KB Output is correct
51 Correct 3 ms 4444 KB Output is correct
52 Correct 3 ms 4444 KB Output is correct
53 Correct 5 ms 4444 KB Output is correct
54 Correct 3 ms 4444 KB Output is correct
55 Correct 3 ms 4444 KB Output is correct
56 Correct 3 ms 4580 KB Output is correct
57 Correct 2 ms 4440 KB Output is correct
58 Correct 3 ms 4444 KB Output is correct
59 Correct 3 ms 4444 KB Output is correct
60 Correct 5 ms 4440 KB Output is correct
61 Correct 5 ms 4444 KB Output is correct
62 Correct 4 ms 4444 KB Output is correct
63 Correct 8 ms 4444 KB Output is correct
64 Correct 5 ms 4444 KB Output is correct
65 Correct 4 ms 4444 KB Output is correct
66 Correct 9 ms 4576 KB Output is correct
67 Correct 0 ms 4444 KB Output is correct
68 Correct 0 ms 4444 KB Output is correct
69 Correct 1 ms 4444 KB Output is correct
70 Correct 1 ms 4444 KB Output is correct
71 Correct 1 ms 4444 KB Output is correct
72 Correct 0 ms 4444 KB Output is correct
73 Correct 1 ms 4444 KB Output is correct
74 Correct 1 ms 4540 KB Output is correct
75 Correct 0 ms 4444 KB Output is correct
76 Correct 1 ms 4444 KB Output is correct
77 Correct 1 ms 4444 KB Output is correct
78 Correct 0 ms 4444 KB Output is correct
79 Correct 1 ms 4444 KB Output is correct
80 Correct 1 ms 4444 KB Output is correct
81 Correct 1 ms 4444 KB Output is correct
82 Correct 1 ms 4444 KB Output is correct
83 Correct 1 ms 4700 KB Output is correct
84 Correct 1 ms 4444 KB Output is correct
85 Correct 0 ms 4572 KB Output is correct
86 Correct 0 ms 4568 KB Output is correct
87 Correct 1 ms 4444 KB Output is correct
88 Correct 0 ms 4444 KB Output is correct
89 Correct 0 ms 4444 KB Output is correct
90 Correct 1 ms 4444 KB Output is correct
91 Correct 1 ms 4440 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 0 ms 4444 KB Output is correct
4 Correct 0 ms 4444 KB Output is correct
5 Correct 0 ms 4580 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 0 ms 4444 KB Output is correct
8 Correct 0 ms 4444 KB Output is correct
9 Correct 0 ms 4444 KB Output is correct
10 Correct 0 ms 4444 KB Output is correct
11 Correct 0 ms 4444 KB Output is correct
12 Correct 0 ms 4444 KB Output is correct
13 Correct 0 ms 4444 KB Output is correct
14 Correct 0 ms 4444 KB Output is correct
15 Correct 0 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 4440 KB Output is correct
19 Correct 0 ms 4572 KB Output is correct
20 Correct 0 ms 4444 KB Output is correct
21 Correct 0 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 0 ms 4444 KB Output is correct
25 Correct 6 ms 4444 KB Output is correct
26 Correct 34 ms 6160 KB Output is correct
27 Execution timed out 1070 ms 6032 KB Time limit exceeded
28 Halted 0 ms 0 KB -