結果
問題 | No.2844 Birthday Party Decoration |
ユーザー | wingu |
提出日時 | 2024-08-23 22:12:05 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 6 ms / 2,000 ms |
コード長 | 3,114 bytes |
コンパイル時間 | 2,913 ms |
コンパイル使用メモリ | 252,112 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-08-23 22:12:09 |
合計ジャッジ時間 | 3,410 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,812 KB |
testcase_01 | AC | 6 ms
6,944 KB |
testcase_02 | AC | 6 ms
6,944 KB |
testcase_03 | AC | 6 ms
6,944 KB |
testcase_04 | AC | 6 ms
6,944 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #include <atcoder/modint> using namespace atcoder; #ifdef DEFINED_ONLY_IN_LOCAL #include <dump.hpp> #define dump(...) cpp_dump(__VA_ARGS__) #else #undef dump #define dump(...) #endif #define rep1(i, a) for (int i = 0; i < (int)(a); i++) #define rep2(i, a, b) for (int i = (int)(a); i < (int)(b); i++) #define rep3(i, a, b, c) for (int i = (int)(a); i < (int)(b); i += (int)(c)) #define overloadRep(a, b, c, d, e, ...) e #define rep(...) overloadRep(__VA_ARGS__, rep3, rep2, rep1)(__VA_ARGS__) #define all(a) a.begin(), a.end() #define rall(a) a.rbegin(), a.rend() using ll = long long; using ull = unsigned long long; const int inf = 1e9; const ll INF = 1e18; const int dx[4] = {0, 1, 0, -1}; const int dy[4] = {1, 0, -1, 0}; const int ddx[8] = {1, 0, -1, 0, 1, -1, 1, -1}; const int ddy[8] = {0, 1, 0, -1, 1, -1, -1, 1}; struct cincout {cincout() {ios_base::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15);}} init; template <class T> inline bool chmax(T& a, T b) {if (a < b) {a = b; return true;} return false;} template <class T> inline bool chmin(T& a, T b) {if (a > b) {a = b; return true;} return false;} template <class T1, class T2> istream& operator>>(istream& is, pair<T1, T2>& p) {is >> p.first >> p.second; return is;} template <class T1, class T2> ostream& operator<<(ostream& os, const pair<T1, T2>& p) {os << p.first << " " << p.second << '\n'; return os;} template <class T> istream& operator>>(istream& is, vector<T>& v) {for (T& in : v) {is >> in;} return is;} template <class T> ostream& operator<<(ostream& os, const vector<T>& v) {rep(i, (int)v.size()) {os << v[i] << " \n"[i + 1 == (int)v.size()];} return os;} template <class T> istream& operator>>(istream& is, vector<vector<T>>& vv) {for (vector<T>& v : vv) {is >> v;} return is;} template <class T> ostream& operator<<(ostream& os, vector<vector<T>>& vv) {for (vector<T>& v : vv) {os << v;} return os;} inline bool bit(ll x, int p) {return (x >> p) & 1;} inline bool out(int ni, int nj, int h, int w) {return (ni < 0 or ni >= h or nj < 0 or nj >= w);} inline int pc(ll x) {return __builtin_popcountll(x);} template <class T> inline T max(vector<T> x) {return *max_element(x.begin(), x.end());} template <class T> inline T min(vector<T> x) {return *min_element(x.begin(), x.end());} template <class T> inline T sum(vector<T> x) {return reduce(x.begin(), x.end());} using P = pair<int, int>; using T = tuple<int, int, int>; void solve() { int n; ll x; cin >> n >> x; vector<ll> c(n); cin >> c; rep(i, n) c[i] = 1LL << c[i]; vector<bool> on(n); rep(i, n) { on[i] = (x / c[i]) & 1; } bool f = true; ll lm = INF, rm = INF; for (int i = n - 1; i >= 0; i--) if (!on[i]) { ll m = x % c[i]; ll l = (x > c[i] ? m + 1 : INF); ll r = c[i] - m; if (f) { f = false; ll ans = min(l * 2, r * 2); cout << ans << endl; return; } } cout << 0 << endl; } int main() { int t; cin >> t; while (t--) solve(); return 0; }