結果
| 問題 |
No.2248 max(C)-min(C)
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2023-03-17 22:16:27 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 434 ms / 3,000 ms |
| コード長 | 3,919 bytes |
| コンパイル時間 | 2,033 ms |
| コンパイル使用メモリ | 184,684 KB |
| 実行使用メモリ | 43,264 KB |
| 最終ジャッジ日時 | 2024-09-18 11:21:57 |
| 合計ジャッジ時間 | 14,410 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 51 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
#define double long double
using ll = long long;
using VB = vector<bool>;
using VVB = vector<VB>;
using VVVB = vector<VVB>;
using VC = vector<char>;
using VVC = vector<VC>;
using VI = vector<int>;
using VVI = vector<VI>;
using VVVI = vector<VVI>;
using VVVVI = vector<VVVI>;
using VL = vector<ll>;
using VVL = vector<VL>;
using VVVL = vector<VVL>;
using VVVVL = vector<VVVL>;
using VD = vector<double>;
using VVD = vector<VD>;
using VVVD = vector<VVD>;
//using P = pair<int, int>;
#define REP(i, n) for (int i = 0; i < (int)(n); i++)
#define FOR(i, a, b) for (ll i = a; i < (ll)(b); i++)
#define ALL(a) (a).begin(),(a).end()
constexpr int INF = 1001001001;
constexpr ll LINF = 1001001001001001001ll;
constexpr int DX[] = {2, 1, -1, -2, -2, -1, 1, 2};
constexpr int DY[] = {1, 2, 2, 1, -1, -2, -2, -1};
template< typename T1, typename T2>
inline bool chmax(T1 &a, T2 b) {return a < b && (a = b, true); }
template< typename T1, typename T2>
inline bool chmin(T1 &a, T2 b) {return a > b && (a = b, true); }
const ll MOD = 998244353;
const int MAX_N = 400010;
int par[MAX_N];
int rnk[MAX_N];
int siz[MAX_N];
void init(int n) {
REP(i,n) {
par[i] = i;
rnk[i] = 0;
siz[i] = 1;
}
}
int find(int x) {
if (par[x] == x) {
return x;
} else {
return par[x] = find(par[x]);
}
}
void unite(int x, int y) {
x = find(x);
y = find(y);
if (x == y) return;
int s = siz[x] + siz[y];
if (rnk[x] < rnk[y]) {
par[x] = y;
} else {
par[y] = x;
if (rnk[x] == rnk[y]) rnk[x]++;
}
siz[find(x)] = s;
}
bool same(int x, int y) {
return find(x) == find(y);
}
int size(int x) {
return siz[find(x)];
}
ll mod_pow(ll x, ll n, ll mod) {
ll res = 1;
x %= mod;
while (n > 0) {
if (n & 1) res = res * x % mod;
x = x * x % mod;
n >>= 1;
}
return res;
}
ll gcd(ll x, ll y) {
if (y == 0) return x;
return gcd(y, x % y);
}
typedef pair<ll, int> P0;
struct edge { int to; ll cost; };
const int MAX_V = 200010;
//const ll LINF = 1LL<<60;
int V;
vector<edge> G[MAX_V];
ll d[MAX_V];
void dijkstra(ll s) {
// greater<P>を指定することでfirstが小さい順に取り出せるようにする
priority_queue<P0, vector<P0>, greater<P0> > que;
fill(d, d + V, LINF);
d[s] = 0;
que.push(P0(0, s));
while (!que.empty()) {
P0 p = que.top(); que.pop();
int v = p.second;
if (d[v] < p.first) continue;
for (edge e : G[v]) {
if (d[e.to] > d[v] + e.cost) {
d[e.to] = d[v] + e.cost;
que.push(P0(d[e.to], e.to));
}
}
}
}
/*
VL f(400010, 1);
ll C(ll n, ll k) {
return f[n] * mod_pow(f[k], MOD - 2, MOD) % MOD * mod_pow(f[n - k], MOD - 2, MOD) % MOD;
}
*/
int main() {
ios::sync_with_stdio(false);
std::cin.tie(nullptr);
//REP(i, 400009) f[i + 1] = f[i] * (i + 1) % MOD;
int N, X = 0, L = 0, R = -1, ans = INF;
cin >> N;
VI A(N), B(N), D(N, 0);
REP(i, N) cin >> A[i];
REP(i, N) cin >> B[i];
VVI C(3 * N, VI(2));
REP(i, N) {
C[i * 3][0] = A[i];
C[i * 3 + 1][0] = B[i];
C[i * 3 + 2][0] = (A[i] + B[i]) / 2;
REP(j, 3) C[i * 3 + j][1] = i;
}
sort(ALL(C));
//REP(i, 3 * N) cout << C[i][0] << " "; cout << endl;
while (true) {
while (X == N) {
D[C[L][1]]--;
if (D[C[L][1]] == 0) X--;
L++;
if (X == N) chmin(ans, C[R][0] - C[L][0]);
}
while (X < N) {
R++;
if (R == 3 * N) break;
if (D[C[R][1]] == 0) X++;
D[C[R][1]]++;
if (X == N) break;
}
if (R == 3 * N) break;
chmin(ans, C[R][0] - C[L][0]);
//cout << L << " " << R << endl;
}
cout << ans << endl;
}