結果
問題 | No.133 カードゲーム |
ユーザー |
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提出日時 | 2020-01-24 01:36:25 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 5,354 bytes |
コンパイル時間 | 1,868 ms |
コンパイル使用メモリ | 183,620 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-13 04:08:50 |
合計ジャッジ時間 | 2,829 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 19 |
ソースコード
#include <bits/stdc++.h>using namespace std;using ll = long long;using Edge = int;using Graph = vector<vector<Edge>>;#define REP(i, n) for (int i = 0; i < (n); ++i)#define SORT(v) sort((v).begin(), (v).end())#define RSORT(v) sort((v).rbegin(), (v).rend())const ll MOD = 1000000007;const ll nmax = 8;const ll INF = 1e9;bool graph[nmax][nmax];vector<vector<ll>> dist = vector<vector<ll>>(nmax, vector<ll>(nmax, INF));struct SegmentTree{private:ll n;vector<ll> node;public:SegmentTree(vector<ll> v){ll sz = v.size();n = 1;while (n < sz){n *= 2;}node.resize(2 * n - 1, INF);for (ll i = 0; i < sz; i++){node[i + n - 1] = v[i];}for (ll i = n - 2; i >= 0; i--){node[i] = min(node[2 * i + 1], node[2 * i + 2]);}}void update(ll x, ll val){x += (n - 1);node[x] = val;while (x > 0){x = (x - 1) / 2;node[x] = min(node[2 * x + 1], node[2 * x + 2]);}}// findは半開区間で考えるll find(ll a, ll b, ll k = 0, ll l = 0, ll r = -1){if (r < 0)r = n;if (r <= a || b <= l)return INF;if (a <= l && r <= b)return node[k];ll vl = find(a, b, 2 * k + 1, l, (l + r) / 2);ll vr = find(a, b, 2 * k + 2, (l + r) / 2, r);return min(vl, vr);}};void warshall_floyd(ll n){for (size_t i = 0; i < n; i++){for (size_t j = 0; j < n; j++){for (size_t k = 0; k < n; k++){dist[j][k] = min(dist[j][k], dist[j][i] + dist[i][k]);}}}}class UnionFind{public:vector<ll> Parent;UnionFind(ll N){Parent = vector<ll>(N, -1);}ll find(ll A){if (Parent[A] < 0)return A;return Parent[A] = find(Parent[A]);}ll size(ll A){return -Parent[find(A)];}bool Union(ll A, ll B){A = find(A);B = find(B);if (A == B){return false;}if (size(A) < size(B))swap(A, B);Parent[A] += Parent[B];Parent[B] = A;return true;}};ll gcd(ll a, ll b){if (b == 0)return a;return gcd(b, a % b);}ll lcm(ll a, ll b){ll g = gcd(a, b);return a / g * b;}ll mulMod(ll a, ll b){return (((a % MOD) * (b % MOD)) % MOD);}ll powMod(ll a, ll p){if (p == 0){return 1;}else if (p % 2 == 0){ll half = powMod(a, p / 2);return mulMod(half, half);}else{return mulMod(powMod(a, p - 1), a);}}ll ceil(ll a, ll b){return (a + b - 1) / b;}vector<ll> tsort(Graph G){ll N = G.size();vector<ll> in(N);for (auto &&edges : G){for (auto &&edge : edges){in[edge]++;}}queue<int> que;for (int i = 0; i < N; i++){if (in[i] == 0){que.push(i);}}int cnt = 0;vector<ll> ans;while (!que.empty()){int v = que.front();que.pop();ans.push_back(v);for (auto &&next : G[v]){in[next]--;if (in[next] == 0){que.push(next);}}}return ans;}Graph G(100);void treeDFS(int from, int current, int dist, int &maxDist, int &maxVertex){if (dist > maxDist){maxDist = dist;maxVertex = current;}for (auto to : G[current]){if (to == from)continue;treeDFS(current, to, dist + 1, maxDist, maxVertex);}}pair<int, int> getTreeDiameter(){int start = 0, end = 0, maxDist = 0;treeDFS(-1, start, 0, maxDist, end);start = end, end = 0, maxDist = 0;treeDFS(-1, start, 0, maxDist, end);return make_pair(start, end);}void solve(long long A, long long B){}int main(){ll n;cin >> n;vector<ll> carda(n);vector<ll> cardb(n);for (int i = 0; i < n; i++){cin >> carda[i];}for (int i = 0; i < n; i++){cin >> cardb[i];}ll cnt = 0;ll sum = 0;vector<ll> perma(n);vector<ll> permb(n);for (int i = 0; i < n; i++){perma[i] = i;permb[i] = i;}do{for (int i = 0; i < n; i++){permb[i] = i;}do{ll win = 0;ll lose = 0;for (int i = 0; i < n; i++){int index = perma[i];if (carda[perma[i]] > cardb[permb[i]]){win++;}else{lose++;}}if (win > lose){cnt++;}sum++;} while (next_permutation(permb.begin(), permb.end()));} while (next_permutation(perma.begin(), perma.end()));cout << fixed << setprecision(10) << (double)cnt / sum << endl;return 0;}