結果

問題 No.2240 WAC
ユーザー sten_sansten_san
提出日時 2023-03-10 21:47:11
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 3,348 bytes
コンパイル時間 2,260 ms
コンパイル使用メモリ 201,728 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-09-18 04:03:23
合計ジャッジ時間 2,965 ms
ジャッジサーバーID
（参考情報） 		judge2 / 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 AC 2 ms
5,248 KB
testcase_01 AC 2 ms
5,376 KB
testcase_02 AC 1 ms
5,376 KB
testcase_03 AC 2 ms
5,376 KB
testcase_04 AC 1 ms
5,376 KB
testcase_05 AC 2 ms
5,376 KB
testcase_06 AC 1 ms
5,376 KB
testcase_07 AC 2 ms
5,376 KB
testcase_08 AC 2 ms
5,376 KB
testcase_09 AC 2 ms
5,376 KB
testcase_10 AC 4 ms
5,376 KB
testcase_11 WA -
testcase_12 AC 3 ms
5,376 KB
testcase_13 AC 3 ms
5,376 KB
testcase_14 AC 2 ms
5,376 KB
testcase_15 AC 4 ms
5,376 KB
testcase_16 WA -
testcase_17 AC 3 ms
5,376 KB
testcase_18 WA -
testcase_19 WA -
testcase_20 AC 4 ms
5,376 KB
testcase_21 WA -
testcase_22 AC 2 ms
5,376 KB
testcase_23 AC 2 ms
5,376 KB
testcase_24 AC 4 ms
5,376 KB
testcase_25 WA -
testcase_26 AC 2 ms
5,376 KB
testcase_27 AC 2 ms
5,376 KB
testcase_28 AC 2 ms
5,376 KB
testcase_29 AC 2 ms
5,376 KB
testcase_30 AC 3 ms
5,376 KB
testcase_31 AC 4 ms
5,376 KB
testcase_32 WA -
testcase_33 AC 4 ms
5,376 KB
testcase_34 AC 3 ms
5,376 KB
testcase_35 AC 2 ms
5,376 KB
testcase_36 WA -
testcase_37 AC 4 ms
5,376 KB
testcase_38 AC 3 ms
5,376 KB
testcase_39 AC 4 ms
5,376 KB
testcase_40 AC 4 ms
5,376 KB
testcase_41 AC 3 ms
5,376 KB
testcase_42 AC 4 ms
5,376 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 # 

#include <bits/stdc++.h>
using namespace std;

struct iofast_t {
    iofast_t() {
        ios::sync_with_stdio(false);
        cin.tie(nullptr);
    }
} iofast;

struct uns_t {} uns;
template <typename Element, typename Head, typename ...Args>
auto vec(Element init, Head arg, Args ...args) {
    if constexpr (sizeof...(Args) == 0) return vector(arg, init);
    else return vector(arg, vec(init, args...));
}
template <typename Element, typename Head, typename ...Args>
auto vec(uns_t, Head arg, Args ...args) {
    return vec(Element(), arg, args...);
}

template <typename Container>
auto distance(const Container &c, decltype(begin(c)) iter) {
    return distance(begin(c), iter);
}

template <typename RIter, typename Compare = less<typename iterator_traits<RIter>::value_type>>
auto isort(RIter first, RIter last, Compare comp = Compare()) {
    vector<int> i(distance(first, last));
    iota(begin(i), end(i), 0);
    sort(begin(i), end(i), [&](auto x, auto y) {
        return comp(*(first + x), *(first + y));
    });
    return i;
}

template <typename, template <typename> typename, typename = void_t<>>
struct detect : false_type {};
template <typename T, template <typename> typename Check>
struct detect<T, Check, void_t<Check<T>>> : true_type {};
template <typename T, template <typename> typename Check>
constexpr inline bool detect_v = detect<T, Check>::value;

template <typename T>
using has_member_sort = decltype(declval<T>().sort());

template <typename Container, typename Compare = less<typename Container::value_type>>
auto sorted(Container c, Compare comp = Compare()) {
    if constexpr (detect_v<Container, has_member_sort>) {
        c.sort(comp);
        return c;
    }
    else {
        sort(begin(c), end(c), comp);
        return c;
    }
}

template <typename Container, typename Compare = equal_to<typename Container::value_type>>
auto uniqued(Container c, Compare comp = Compare()) {
    c.erase(unique(begin(c), end(c), comp), end(c));
    return c;
}

template <typename T, typename Compare = less<T>>
T &chmin(T &l, T r, Compare &&f = less<T>()) { return l = min(l, r, f); }
template <typename T, typename Compare = less<T>>
T &chmax(T &l, T r, Compare &&f = less<T>()) { return l = max(l, r, f); }

template <typename F>
constexpr auto fix(F &&f) noexcept {
    return [f = std::tuple<F>(std::forward<F>(f))](auto &&...args) mutable {
        return std::get<0>(f)(fix(std::get<0>(f)), std::forward<decltype(args)>(args)...);
    };
}

int main() {
    int n, m; cin >> n >> m;
    string s; cin >> s;

    auto vis = vec<char>(false, size(s));

    int iter1 = size(s) - 1;
    for (int i = 0; i < size(s); ++i) {
        if (s[i] != 'W') {
            continue;
        }

        while (0 <= iter1 && (s[iter1] != 'A' || vis[iter1])) {
            --iter1;
        }

        if (iter1 < 0 || iter1 < i) {
            cout << "No" << endl;
            return 0;
        }

        vis[iter1] = true;
    }

    int iter2 = 0;
    for (int i = 0; i < size(s); ++i) {
        if (s[i] != 'C') {
            continue;
        }

        while (iter2 < size(s) && (s[iter2] != 'A' || vis[iter2])) {
            ++iter2;
        }

        if (size(s) <= iter2 || i < iter2) {
            cout << "No" << endl;
            return 0;
        }

        vis[iter2] = true;
    }

    cout << "Yes" << endl;
}
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