結果
問題 | No.2393 Bit Grid Connected Component |
ユーザー |
|
提出日時 | 2023-07-28 21:35:00 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 37 ms / 2,000 ms |
コード長 | 2,996 bytes |
コンパイル時間 | 2,076 ms |
コンパイル使用メモリ | 193,092 KB |
最終ジャッジ日時 | 2025-02-15 20:07:03 |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 20 |
ソースコード
#include <bits/stdc++.h>using namespace std;#define overload2(a, b, c, ...) c#define overload3(a, b, c, d, ...) d#define overload4(a, b, c, d, e ...) e#define overload5(a, b, c, d, e, f ...) f#define overload6(a, b, c, d, e, f, g ...) g#define fast_io ios::sync_with_stdio(false); cin.tie(nullptr);#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math")typedef long long ll;typedef long double ld;#define chmin(a,b) a = min(a,b);#define chmax(a,b) a = max(a,b);#define bit_count(x) __builtin_popcountll(x)#define leading_zero_count(x) __builtin_clz(x)#define trailing_zero_count(x) __builtin_ctz(x)#define gcd(a,b) __gcd(a,b)#define lcm(a,b) a / gcd(a,b) * b#define rep(...) overload3(__VA_ARGS__, rrep, rep1)(__VA_ARGS__)#define rep1(i,n) for(int i = 0 ; i < n ; i++)#define rrep(i,a,b) for(int i = a ; i < b ; i++)#define repi(it,S) for(auto it = S.begin() ; it != S.end() ; it++)#define pt(a) cout << a << endl;#define print(...) printall(__VA_ARGS__);#define debug(a) cout << #a << " " << a << endl;#define all(a) a.begin(), a.end()#define endl "\n";#define v1(T,n,a) vector<T>(n,a)#define v2(T,n,m,a) vector<vector<T>>(n,v1(T,m,a))#define v3(T,n,m,k,a) vector<vector<vector<T>>>(n,v2(T,m,k,a))#define v4(T,n,m,k,l,a) vector<vector<vector<vector<T>>>>(n,v3(T,m,k,l,a))template<typename T,typename U>istream &operator>>(istream&is,pair<T,U>&p){is>>p.first>>p.second;return is;}template<typename T,typename U>ostream &operator<<(ostream&os,const pair<T,U>&p){os<<p.first<<" "<<p.second;return os;}template<typename T>istream &operator>>(istream&is,vector<T>&v){for(T &in:v){is>>in;}return is;}template<typename T>ostream &operator<<(ostream&os,const vector<T>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?" ":"");}return os;}template<typename T>istream &operator>>(istream&is,vector<vector<T>>&v){for(T &in:v){is>>in;}return is;}template<typename T>ostream &operator<<(ostream&os,const vector<vector<T>>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?"\n":"");}return os;}template<typename T>ostream &operator<<(ostream&os,const set<T>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?" ":"");}return os;}template<typename T>ostream &operator<<(ostream&os,const multiset<T>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?" ":"");}returnos;}template<class... Args> void printall(Args... args){for(auto i:initializer_list<common_type_t<Args...>>{args...}) cout<<i<<" ";cout<<endl;}ll powll(ll x , ll n){ll res = 1 ;while(n > 0){if(n & 1) res *= x ;x *= x ;n >>= 1 ;}return res ;}void solve(){ll x, y;cin >> x >> y;ll res = 0;if(!(x >> y & 1)){pt(0)return;}res = (ll)1 << (y + 1);res--;rrep(i,y+1,61){if(!(x >> i & 1)) break;res += (ll)1 << i;}pt(res)}int main(){fast_ioint t = 1;cin >> t;rep(i,t) solve();}