Submission #1110231

#	Time	Username	Problem	Language	Result	Execution time	Memory
1110231		vjudge1	Growing Vegetables is Fun 5 (JOI24_vegetables5)	C++17	0 / 100	63 ms	8528 KiB

Main

#include <bits/stdc++.h>
#define Y8o "Growing Vegetables is Fun 5"
#define maxn (int) 3e5 + 5
#define ll long long
#define pii pair<int, int>
#define gb(i, j) ((i >> j) & 1)
#define all(x) x.begin(), x.end()
#define _left id * 2, l, mid
#define _right id * 2 + 1, mid + 1, r
#define fi(i, a, b) for(int i = a; i <= b; i ++)
#define fid(i, a, b) for(int i = a; i >= b; i --)

//#define f first
//#define s second

using namespace std;

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll GetRandom(ll l, ll r) {
    return uniform_int_distribution<ll> (l, r) (rng);
}
void iof() {
    ios_base::sync_with_stdio(0);
    cin.tie(NULL), cout.tie(NULL);
    if(fopen(Y8o".inp", "r"))
    {
        freopen(Y8o".inp", "r", stdin);
//        freopen(Y8o".out", "w", stdout);
    }
}
void ctime() {
    cerr << "\n" << "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n";
}


int n, N;
int a[maxn], b[maxn], c[maxn];
int x[maxn];

void solve() {
    cin >> n, N = 2*n;
    fi(i, 1, N) cin >> a[i];
    fi(i, 1, n) cin >> b[i];
    fi(i, 1, n) cin >> c[i];

    assert(n <= 5);
    fi(i, 1, N) x[i] = i;

    int ans = 2e9;
    do {
        int best = 0, cur = 0, pre = 0, sl = 0, exist = 0;
        fi(i, 1, N) {
            if(x[i] <= n) best = max(best, abs(b[x[i]] - a[i])), cur = 1;
            else best = max(best, abs(c[x[i] - n] - a[i])), cur = 2;
            if(pre == cur) sl ++;
            else sl = 1;
            pre = cur;
        }
        if(sl >= n) ans = min(ans, best);

    } while(next_permutation(x + 1, x +N + 1));

    cout << ans;
}


int main() {
    iof();

    int nTest = 1;
//    cin >> nTest;

    while(nTest --) {
        solve();
    }

    ctime();
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'void solve()':
Main.cpp:51:49: warning: unused variable 'exist' [-Wunused-variable]
   51 |         int best = 0, cur = 0, pre = 0, sl = 0, exist = 0;
      |                                                 ^~~~~
Main.cpp: In function 'void iof()':
Main.cpp:27:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |         freopen(Y8o".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 4
• Subtask 2: 0 / 5
• Subtask 3: 0 / 21
• Subtask 4: 0 / 37
• Subtask 5: 0 / 33