#516336 (C++17) No.1123 Afforestation

提出ソース

結果

問題	No.1123 Afforestation
ユーザー	yosupot
提出日時	2020-07-22 22:14:36
言語	C++17 (gcc 12.3.0 + boost 1.83.0)
結果	WA
実行時間	-
コード長	7,780 bytes
コンパイル時間	1,636 ms
コンパイル使用メモリ	136,512 KB
実行使用メモリ	23,552 KB
最終ジャッジ日時	2024-06-22 18:38:47
合計ジャッジ時間	22,959 ms
ジャッジサーバーID （参考情報）	judge1 / judge3

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	WA	-
testcase_01	WA	-
testcase_02	WA	-
testcase_03	WA	-
testcase_04	WA	-
testcase_05	WA	-
testcase_06	WA	-
testcase_07	WA	-
testcase_08	WA	-
testcase_09	WA	-
testcase_10	WA	-
testcase_11	RE	-
testcase_12	RE	-
testcase_13	WA	-
testcase_14	AC	2 ms 5,376 KB
testcase_15	WA	-
testcase_16	WA	-
testcase_17	WA	-
testcase_18	RE	-
testcase_19	WA	-
testcase_20	WA	-
testcase_21	RE	-
testcase_22	RE	-
testcase_23	WA	-
testcase_24	WA	-
testcase_25	WA	-
testcase_26	AC	2 ms 5,376 KB
testcase_27	AC	3 ms 5,376 KB
testcase_28	AC	213 ms 22,912 KB
testcase_29	AC	2 ms 5,376 KB
testcase_30	AC	3 ms 5,376 KB
testcase_31	AC	215 ms 23,040 KB
testcase_32	WA	-
testcase_33	WA	-
testcase_34	WA	-
testcase_35	WA	-
testcase_36	WA	-
testcase_37	WA	-
testcase_38	WA	-
testcase_39	WA	-
testcase_40	WA	-
testcase_41	WA	-
testcase_42	WA	-
testcase_43	WA	-
testcase_44	WA	-
testcase_45	WA	-
testcase_46	WA	-
testcase_47	WA	-
testcase_48	WA	-
testcase_49	WA	-
testcase_50	WA	-
testcase_51	WA	-
testcase_52	WA	-
testcase_53	WA	-
testcase_54	WA	-
testcase_55	WA	-
testcase_56	WA	-
testcase_57	WA	-
testcase_58	WA	-
testcase_59	WA	-
testcase_60	WA	-
testcase_61	WA	-
testcase_62	WA	-
testcase_63	WA	-
testcase_64	WA	-
testcase_65	WA	-
testcase_66	WA	-
testcase_67	WA	-
testcase_68	WA	-
testcase_69	WA	-
testcase_70	WA	-
testcase_71	WA	-
testcase_72	AC	2 ms 5,376 KB
testcase_73	WA	-
testcase_74	AC	2 ms 5,376 KB
testcase_75	AC	2 ms 5,376 KB
testcase_76	AC	2 ms 5,376 KB
testcase_77	AC	2 ms 5,376 KB
testcase_78	WA	-
testcase_79	AC	2 ms 5,376 KB
testcase_80	WA	-
testcase_81	AC	2 ms 5,376 KB
testcase_82	WA	-
testcase_83	WA	-
testcase_84	AC	360 ms 23,040 KB
testcase_85	WA	-
testcase_86	WA	-
testcase_87	WA	-
testcase_88	WA	-
testcase_89	WA	-
testcase_90	AC	2 ms 5,376 KB
testcase_91	AC	2 ms 5,376 KB
testcase_92	WA	-

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ソースコード

raw source code

//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx")
//#undef LOCAL




#include <algorithm>

#include <array>

#include <bitset>

#include <cassert>

#include <complex>

#include <cstdio>

#include <cstring>

#include <iostream>

#include <map>

#include <numeric>

#include <queue>

#include <set>

#include <string>

#include <unordered_map>

#include <unordered_set>

#include <vector>

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>>;



#include <unistd.h>

struct Scanner {
    int fd = -1;
    char line[(1 << 15) + 1];
    size_t st = 0, ed = 0;
    void reread() {
        memmove(line, line + st, ed - st);
        ed -= st;
        st = 0;
        ed += ::read(fd, line + ed, (1 << 15) - ed);
        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) {
            bool sep = false;
            for (size_t i = st; i < ed; i++) {
                if (isspace(line[i])) {
                    sep = true;
                    break;
                }
            }
            if (!sep) 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) {
            size_t sz = 0;
            while (st + sz < ed && !isspace(line[st + sz])) sz++;
            ref.append(line + st, sz);
            st += sz;
            if (!sz || st != ed) break;
            reread();
        }
        return true;
    }
    template <class T, enable_if_t<is_integral<T>::value>* = nullptr>
    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++] & 0xf);
        }
        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...);
    }
    int read_unsafe() { return 0; }
    template <class H, class... T> int read_unsafe(H& h, T&... t) {
        bool f = read_single(h);
        if (!f) return 0;
        return 1 + read_unsafe(t...);
    }
    Scanner(FILE* fp) : fd(fileno(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_integral<T>::value>* = nullptr>
    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; // todo min
        }
        size_t len = 0;
        while (val) {
            small[len++] = char(0x30 | (val % 10));
            val /= 10;
        }
        for (size_t i = 0; i < len; i++) {
            line[pos + i] = small[len - 1 - i];
        }
        pos += len;
    }
    void write_single(__int128 val) {
        if (pos > (1 << 15) - 50) flush();
        if (val == 0) {
            write_single('0');
            return;
        }
        if (val < 0) {
            write_single('-');
            val = -val; // todo min
        }
        size_t len = 0;
        while (val) {
            small[len++] = char(0x30 | (val % 10));
            val /= 10;
        }
        for (size_t i = 0; i < len; i++) {
            line[pos + i] = small[len - 1 - i];
        }
        pos += len;
    }

    void write_single(const string& s) {
        for (char c : s) write_single(c);
    }
    void write_single(const char* s) {
        size_t len = strlen(s);
        for (size_t i = 0; i < len; i++) write_single(s[i]);
    }
    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]);
        }
    }
};

Scanner sc = Scanner(stdin);
Printer pr = Printer(stdout);

VV<int> base(V<int> a, V<int> b) {
    int h = int(a.size());
    int w = int(b.size());
    V<int> idx(h);
    iota(idx.begin(), idx.end(), 0);
    sort(idx.begin(), idx.end(), [&](int x, int y) {
        return a[x] > a[y];
    });

    VV<int> answer(h, V<int>(w));

    using P = pair<int, int>;
    priority_queue<P> que;
    for (int i = 0; i < w; i++) {
        que.push({b[i], i});
    }
    for (int r: idx) {
        for (int i = 0; i < a[r]; i++) {
            if (que.empty()) return {};
            auto p = que.top(); que.pop();
            answer[r][p.second] = 1;
            if (p.first >= 2) que.push({p.first - 1, p.second});
        }
    }
    if (que.size()) return {};
    return answer;
}

int main() {
    int h, w;
    sc.read(h, w);
    V<int> a(h), b(w);
    for (int i = 0; i < h; i++) {
        sc.read(a[i]);
    }
    for (int i = 0; i < w; i++) {
        sc.read(b[i]);
    }
    auto g = V<string>(h, string(w, '.'));
    auto answer = base(a, b);
    if (answer.empty()) {
        pr.writeln(":(");
        return 0;
    }


    int k;
    sc.read(k);
    for (int i = 0; i < k; i++) {
        int r, c;
        sc.read(r, c); r--; c--;
        g[r][c] = 'x';
        if (!answer[r][c]) continue;

        V<int> vis(h + w);
        auto dfs = [&](auto self, int p) -> bool {
            if (p == w + c) return true;
            if (vis[p]) return false;
            vis[p] = true;
            if (p < h) {
                for (int q = 0; q < w; q++) {
                    if (answer[p][q] || g[p][q] == 'x') continue;
                    if (self(self, h + q)) {
                        answer[p][q] = true;
                        return true;
                    }
                }
            } else {
                for (int q = 0; q < h; q++) {
                    if (!answer[q][p - w] || g[q][p - w] == 'x') continue;
                    if (self(self, q)) {
                        answer[q][p - w] = false;
                        return true;
                    }
                }
            }
            return false;
        };
        if (!dfs(dfs, r)) {
            pr.writeln(":(");
            return 0;
        }
        answer[r][c] = false;
    }

    for (int r = 0; r < h; r++) {
        for (int c = 0; c < w; c++) {
            if (answer[r][c]) {
                assert(g[r][c] == '.');
                g[r][c] = 'o';
            }
        }
    }

    pr.writeln("Yay!");
    for (auto s: g) {
        pr.writeln(s);
    }

    return 0;
}

yukicoder

結果

テストケース

ソースコード