結果

問題 No.942 プレゼント配り
ユーザー yosupotyosupot
提出日時 2019-12-05 00:22:40
言語 C++17
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 18 ms / 2,000 ms
コード長 5,758 bytes
コンパイル時間 2,731 ms
コンパイル使用メモリ 206,160 KB
実行使用メモリ 14,328 KB
最終ジャッジ日時 2023-08-21 07:23:20
合計ジャッジ時間 4,553 ms
ジャッジサーバーID
(参考情報)
judge13 / judge14
このコードへのチャレンジ
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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 1 ms
4,380 KB
testcase_01 AC 18 ms
5,776 KB
testcase_02 AC 13 ms
14,328 KB
testcase_03 AC 2 ms
4,380 KB
testcase_04 AC 17 ms
5,016 KB
testcase_05 AC 17 ms
5,736 KB
testcase_06 AC 14 ms
14,312 KB
testcase_07 AC 2 ms
4,376 KB
testcase_08 AC 13 ms
4,508 KB
testcase_09 AC 15 ms
4,680 KB
testcase_10 AC 2 ms
4,384 KB
testcase_11 AC 1 ms
4,380 KB
testcase_12 AC 2 ms
4,384 KB
testcase_13 AC 2 ms
4,380 KB
testcase_14 AC 14 ms
4,868 KB
testcase_15 AC 10 ms
4,380 KB
testcase_16 AC 11 ms
4,412 KB
testcase_17 AC 12 ms
4,404 KB
testcase_18 AC 2 ms
4,380 KB
testcase_19 AC 1 ms
4,376 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

# 1 "main.cpp"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "main.cpp"



# 1 "/Users/yosupo/Programs/Algorithm/expander/dummy_include/bits/stdc++.h" 1
       

#include <bits/stdc++.h>
# 5 "main.cpp" 2
using namespace std;

using uint = unsigned int;
using ll = long long;
using ull = unsigned long long;
constexpr ll TEN(int n) { return (n == 0) ? 1 : 10 * TEN(n - 1); }
template <class T> using V = vector<T>;
template <class T> using VV = V<V<T>>;

# 1 "/Users/yosupo/Programs/Algorithm/src/util/fast_io.h" 1
       
struct Scanner {
    FILE* fp = nullptr;
    char line[(1 << 15) + 1];
    size_t st = 0, ed = 0;
    void reread() {
        memmove(line, line + st, ed - st);
        ed -= st;
        st = 0;
        ed += fread(line + ed, 1, (1 << 15) - ed, fp);
        line[ed] = '\0';
    }
    bool succ() {
        while (true) {
            if (st == ed) {
                reread();
                if (st == ed) return false;
            }
            while (st != ed && isspace(line[st])) st++;
            if (st != ed) break;
        }
        if (ed - st <= 50) reread();
        return true;
    }
    template <class T, enable_if_t<is_same<T, string>::value, int> = 0>
    bool read_single(T& ref) {
        if (!succ()) return false;
        while (true) {
            succ();
            size_t sz = 1;
            while (st + sz < ed && !isspace(line[st + sz])) sz++;
            ref.append(line + st, sz);
            st += sz;
            if (st != ed) break;
        }
        return true;
    }
    template <class T, enable_if_t<is_integral<T>::value, int> = 0>
    bool read_single(T& ref) {
        if (!succ()) return false;
        bool neg = false;
        if (line[st] == '-') {
            neg = true;
            st++;
        }
        ref = T(0);
        while (isdigit(line[st])) {
            ref = 10 * ref + (line[st++] - '0');
        }
        if (neg) ref = -ref;
        return true;
    }
    template <class T> bool read_single(V<T>& ref) {
        for (auto& d : ref) {
            if (!read_single(d)) return false;
        }
        return true;
    }
    void read() {}
    template <class H, class... T> void read(H& h, T&... t) {
        bool f = read_single(h);
        assert(f);
        read(t...);
    }
    Scanner(FILE* _fp) : fp(_fp) {}
};

struct Printer {
  public:
    template <bool F = false> void write() {}
    template <bool F = false, class H, class... T>
    void write(const H& h, const T&... t) {
        if (F) write_single(' ');
        write_single(h);
        write<true>(t...);
    }
    template <class... T> void writeln(const T&... t) {
        write(t...);
        write_single('\n');
    }

    Printer(FILE* _fp) : fp(_fp) {}
    ~Printer() { flush(); }

  private:
    static constexpr size_t SIZE = 1 << 15;
    FILE* fp;
    char line[SIZE], small[50];
    size_t pos = 0;
    void flush() {
        fwrite(line, 1, pos, fp);
        pos = 0;
    }
    void write_single(const char& val) {
        if (pos == SIZE) flush();
        line[pos++] = val;
    }
    template <class T, enable_if_t<is_same<T, string>::value, int> = 0>
    void write_single(const T& val) {
        for (char c : val) write_single(c);
    }
    template <class T, enable_if_t<is_integral<T>::value, int> = 0>
    void write_single(T val) {
        if (pos > (1 << 15) - 50) flush();
        if (val == 0) {
            write_single('0');
            return;
        }
        if (val < 0) {
            write_single('-');
            val = -val;
        }
        size_t len = 0;
        while (val) {
            small[len++] = char('0' + (val % 10));
            val /= 10;
        }
        reverse(small, small + len);
        memcpy(line + pos, small, len);
        pos += len;
    }
    template <class T> void write_single(const V<T>& val) {
        auto n = val.size();
        for (size_t i = 0; i < n; i++) {
            if (i) write_single(' ');
            write_single(val[i]);
        }
    }
};
# 15 "main.cpp" 2
# 40 "main.cpp"
template <class T, class U>
ostream& operator<<(ostream& os, const pair<T, U>& p) {
    return os << "P(" << p.first << ", " << p.second << ")";
}

template <class T> ostream& operator<<(ostream& os, const V<T>& v) {
    os << "[";
    for (auto d : v) os << d << ", ";
    return os << "]";
}

Scanner sc = Scanner(stdin);

void ans(VV<int> g) {
    cout << "Yes\n";
    for (auto v: g) {
        for (auto d: v) {
            cout << d + 1 << " ";
        }
        cout << "\n";
    }
    exit(0);
}
void imp() {
    cout << "No\n";
    exit(0);
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, k;
    sc.read(n, k);

    int l = n / k;

    VV<int> g(k, V<int>(l));

    int cnt = 0;
    if (k == 1) {
        for (int i = 0; i < l; i++) {
            g[0][i] = cnt++;
        }
        ans(g);
    }
    if (l == 1) imp();

    if (l % 2 == 0) {
        for (int i = 0; i < l; i++) {
            for (int _j = 0; _j < k; _j++) {
                int j = (i % 2 == 0) ? _j : k - 1 - _j;
                g[j][i] = cnt++;
            }
        }
        ans(g);
    }
    if (k % 2 == 0) imp();



    {
        for (int _j = 0; _j < k; _j++) {
            int j = _j;
            g[j][0] = cnt++;
        }
    }
    {
        for (int _j = 0; _j < k; _j++) {
            int j = (_j + k / 2 + 1) % k;
            g[j][1] = cnt++;
        }
    }
    {
        for (int _j = 0; _j < k; _j++) {
            int j = (_j % 2 == 0) ? (k / 2 - (_j / 2)) : (k - 1 - (_j / 2));
            g[j][2] = cnt++;
        }
    }

    for (int i = 3; i < l; i++) {
        for (int _j = 0; _j < k; _j++) {
            int j = (i % 2 == 0) ? _j : k - 1 - _j;
            g[j][i] = cnt++;
        }
    }
    ans(g);

    return 0;
}
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