結果

問題 No.2393 Bit Grid Connected Component
ユーザー Qingrui DongQingrui Dong
提出日時 2023-07-28 21:53:57
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 6,509 bytes
コンパイル時間 1,357 ms
コンパイル使用メモリ 159,916 KB
最終ジャッジ日時 2024-04-27 04:52:36
合計ジャッジ時間 1,920 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge5
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ただし、clay言語の場合は開発者のデバッグのため、公開されます。

コンパイルメッセージ
main.cpp: In function 'int main()':
main.cpp:6:45: error: 'class fastIO' has no member named 'tie'
    6 | #define IOS ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
      |                                             ^~~
main.cpp:228:5: note: in expansion of macro 'IOS'
  228 |     IOS
      |     ^~~
main.cpp:6:57: error: 'class fastIO' has no member named 'tie'
    6 | #define IOS ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
      |                                                         ^~~
main.cpp:228:5: note: in expansion of macro 'IOS'
  228 |     IOS
      |     ^~~

ソースコード

diff # 

#include<bits/stdc++.h>
#define ll long long
#define Min(a,b) ((a)<(b)?(a):(b))
#define Max(a,b) ((a)>(b)?(a):(b))
#define inf 0x3f3f3f3f
#define IOS ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define i128 __int128

#define x first
#define y second

using namespace std;
class fastIO {
private:
    char ibuf[50007], *p1 = ibuf, *p2 = ibuf, obuf[50007], *p3 = obuf, sta[50];
    bool file_end = false;

    char get() {
        return p1 == p2 && (p2 = (p1 = ibuf) + fread(ibuf, 1, 50007, stdin), p1 == p2) ? (file_end = true), char(EOF)
                                                                                       : *p1++;
    }

    void put(const char x) {
        p3 - obuf < 50007 ? *p3++ = x : (fwrite(obuf, p3 - obuf, 1, stdout), p3 = obuf, *p3++ = x);
    }

public:
    explicit operator bool() { return !file_end; }

    size_t flush() {
        size_t f = fwrite(obuf, p3 - obuf, 1, stdout);
        p3 = obuf;
        *p3 = 0;
        return f;
    }

    fastIO &operator>>(char &t) {
        for (t = get(); !isgraph(t); t = get());
        return *this;
    }

    template<typename any>
    typename enable_if<is_same<any, char>::value, any>::type tpval() {
        char t;
        for (t = get(); !isgraph(t); t = get());
        return t;
    }

    fastIO &operator>>(char *t) {
        char c;
        for (c = get(); !isgraph(c); c = get());
        for (; isgraph(c); c = get())*t = c, t++;
        *t = 0;
        return *this;
    }

    fastIO &operator>>(string &t) {
        t.clear();
        char c;
        for (c = get(); !isgraph(c); c = get());
        for (; isgraph(c); c = get())t += c;
        return *this;
    }

    template<typename any>
    typename enable_if<is_same<any, string>::value, any>::type tpval() {
        string t;
        char c;
        for (c = get(); !isgraph(c); c = get());
        for (; isgraph(c); c = get())t += c;
        return t;
    }

    template<typename any>
    typename enable_if<
            (is_signed<any>::value && is_integral<any>::value && !is_same<any, char>::value) ||
            is_same<any, __int128_t>::value, fastIO>::type &operator>>(any &t) {
        t = 0;
        bool y = 0;
        char c = get();
        for (; !isdigit(c); c = get())if (c == 45)y = true;
        for (; isdigit(c); c = get())t = t * 10 + c - 48;
        if (y == 1)t = -t;
        return *this;
    }

    template<typename any>
    typename enable_if<
            (is_signed<any>::value && is_integral<any>::value && !is_same<any, char>::value) ||
            is_same<any, __int128_t>::value, any>::type tpval() {
        any t = 0;
        bool y = 0;
        char c = get();
        for (; !isdigit(c); c = get())if (c == 45)y = true;
        for (; isdigit(c); c = get())t = t * 10 + c - 48;
        if (y == 1)t = -t;
        return t;
    }

    template<typename any>
    typename enable_if<
            (is_unsigned<any>::value && is_integral<any>::value && !is_same<any, char>::value) ||
            is_same<any, __uint128_t>::value, fastIO>::type &operator>>(any &t) {
        t = 0;
        char c = get();
        for (; !isdigit(c); c = get());
        for (; isdigit(c); c = get())t = t * 10 + c - 48;
        return *this;
    }

    template<typename any>
    typename enable_if<
            (is_unsigned<any>::value && is_integral<any>::value && !is_same<any, char>::value) ||
            is_same<any, __uint128_t>::value, any>::type tpval() {
        any t = 0;
        char c = get();
        for (; !isdigit(c); c = get());
        for (; isdigit(c); c = get())t = t * 10 + c - 48;
        return t;
    }

    template<typename any1, typename any2>
    fastIO &operator>>(pair<any1, any2> &t) { return *this >> t.first >> t.second; }

    template<typename any1, typename any2>
    pair<any1, any2> tpval() { return pair<any1, any2>(tpval<any1>(), tpval<any2>()); }

    template<typename any>
    fastIO &read(any &t) { return *this >> t; }

    fastIO &read(char *t) {
        char c;
        for (c = get(); !isgraph(c); c = get());
        for (; isgraph(c); c = get())*t = c, t++;
        *t = 0;
        return *this;
    }

    template<typename any, typename...args>
    fastIO &read(any &t1, args &...t2) { return (*this >> t1).read(t2...); }

    fastIO &operator<<(const char t) {
        put(t);
        return *this;
    }

    fastIO &operator<<(const char *t) {
        for (; *t; t++)put(*t);
        return *this;
    }

    fastIO &operator<<(const string &t) {
        for (const char it: t)put(it);
        return *this;
    }

    template<typename any>
    typename enable_if<
            (is_signed<any>::value && is_integral<any>::value && !is_same<any, char>::value) ||
            is_same<any, __int128_t>::value, fastIO>::type &operator<<(any t) {
        if (!t) {
            put(48);
            return *this;
        }
        int len = 0;
        if (t < 0)t = -t, put(45);
        while (t)sta[len++] = char(t % 10 + 48), t /= 10;
        while (len--)put(sta[len]);
        return *this;
    }

    template<typename any>
    typename enable_if<
            (is_unsigned<any>::value && is_integral<any>::value && !is_same<any, char>::value) ||
            is_same<any, __uint128_t>::value, fastIO>::type &operator<<(any t) {
        if (!t) {
            put(48);
            return *this;
        }
        int len = 0;
        while (t)sta[len++] = char(t % 10 + 48), t /= 10;
        while (len--)put(sta[len]);
        return *this;
    }

    template<typename any1, typename any2>
    fastIO &operator<<(const pair<any1, any2> &t) { return *this << t.first << ' ' << t.second; }

    template<typename any>
    fastIO &write(const any &t) { return *this << t; }

    template<typename any, typename...args>
    fastIO &write(const any &t1, const args &...t2) { return (*this << t1).write(t2...); }

    ~fastIO() { fwrite(obuf, p3 - obuf, 1, stdout); }
} FastIO;

#ifdef ONLINE_JUDGE
#define cin FastIO
#define cout FastIO
#endif

typedef pair<ll,ll> PII;
typedef pair<ll,string> PIS;

const int N = 2e5+10;
const ll mod = 998244353;
const double PI = acos(-1);

ll n,m,k;

void solve() {
    ll x,y;
    cin >> x >> y;
    int cnt = 0;
    if(((x >> y)&1) == 0) {
        cout << "0\n";
        return;
    }
    else{
        while((x >> y) & 1) y++;
        cout << (1ll << y) - 1 << "\n";
    }
    return;
}

int main(){
    IOS
    //freopen("D:\\Rykun\\ATC\\1.txt","r",stdin);
    int tt = 1;
    cin >> tt;
    while(tt--)
        solve();
    return 0;
}
0