結果

問題 No.945 YKC饅頭
ユーザー Shuz*
提出日時 2019-12-08 10:00:02
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 560 ms / 2,000 ms
コード長 5,848 bytes
コンパイル時間 2,273 ms
コンパイル使用メモリ 180,008 KB
実行使用メモリ 55,708 KB
最終ジャッジ日時 2024-12-29 17:51:29
合計ジャッジ時間 16,945 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge3
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ファイルパターン 結果
other AC * 74
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;

// Define
using ll = long long;
using ull = unsigned long long;
using ld = long double;
template <class T> using pvector = vector<pair<T, T>>;
template <class T>
using rpriority_queue = priority_queue<T, vector<T>, greater<T>>;
constexpr const ll dx[4] = {1, 0, -1, 0};
constexpr const ll dy[4] = {0, 1, 0, -1};
constexpr const ll MOD = 1e9 + 7;
constexpr const ll mod = 998244353;
constexpr const ll INF = 1LL << 60;
constexpr const ll inf = 1 << 30;
constexpr const char rt = '\n';
constexpr const char sp = ' ';
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define eb emplace_back
#define elif else if
#define all(a, v, ...)                                                         \
    ([&](decltype((v)) w) { return (a)(begin(w), end(w), ##__VA_ARGS__); })(v)
#define fi first
#define se second

template <class T> bool chmax(T &a, const T &b) {
    if (a < b) {
        a = b;
        return 1;
    }
    return 0;
}
template <class T> bool chmin(T &a, const T &b) {
    if (a > b) {
        a = b;
        return 1;
    }
    return 0;
}

// Debug
#define debug(...)                                                             \
    {                                                                          \
        cerr << __LINE__ << ": " << #__VA_ARGS__ << " = ";                     \
        for (auto &&X : {__VA_ARGS__}) cerr << "[" << X << "] ";               \
        cerr << rt;                                                            \
    }

#define dump(a, h, w)                                                          \
    {                                                                          \
        cerr << __LINE__ << ": " << #a << " = [" << rt;                        \
        rep(i, h) {                                                            \
            rep(j, w) cerr << a[i][j] << sp;                                   \
            cerr << rt;                                                        \
        }                                                                      \
        cerr << "]" << rt;                                                     \
    }

#define vdump(a, n)                                                            \
    {                                                                          \
        cerr << __LINE__ << ": " << #a << " = [";                              \
        rep(i, n) if (i) cerr << sp << a[i];                                   \
        else cerr << a[i];                                                     \
        cerr << "]" << rt;                                                     \
    }

// Loop
#define inc(i, a, n) for (ll i = (a), _##i = (n); i <= _##i; ++i)
#define dec(i, a, n) for (ll i = (a), _##i = (n); i >= _##i; --i)
#define rep(i, n) for (ll i = 0, _##i = (n); i < _##i; ++i)
#define each(i, a) for (auto &&i : a)

// Stream
#define fout(n) cout << fixed << setprecision(n)
struct io {
    io() { cin.tie(nullptr), ios::sync_with_stdio(false); }
} io;

// Speed
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

// Math
inline constexpr ll gcd(const ll a, const ll b) {
    return b ? gcd(b, a % b) : a;
}
inline constexpr ll lcm(const ll a, const ll b) { return a / gcd(a, b) * b; }

inline constexpr ll modulo(const ll n, const ll m = MOD) {
    ll k = n % m;
    return k + m * (k < 0);
}
inline constexpr ll chmod(ll &n, const ll m = MOD) {
    n %= m;
    return n += m * (n < 0);
}
inline constexpr ll mpow(ll a, ll n, const ll m = MOD) {
    ll r = 1;
    rep(i, 64) {
        if (n & (1LL << i)) r *= a;
        chmod(r, m);
        a *= a;
        chmod(a, m);
    }
    return r;
}
inline ll inv(const ll n, const ll m = MOD) {
    ll a = n, b = m, x = 1, y = 0;
    while (b) {
        ll t = a / b;
        a -= t * b;
        swap(a, b);
        x -= t * y;
        swap(x, y);
    }
    return modulo(x, m);
}

struct RUMQ {
    static const ll n = 1LL << 20;
    vector<ll> node, lazy, flag;
    RUMQ() : node(n * 2 - 1, INF), lazy(n * 2 - 1), flag(n * 2 - 1) {}
    inline void eval(ll i, ll l, ll r) {
        if (flag[i]) {
            node[i] = lazy[i];
            if (r - l > 1) {
                lazy[i * 2 + 1] = lazy[i * 2 + 2] = lazy[i];
                flag[i * 2 + 1] = flag[i * 2 + 2] = true;
            }
            lazy[i] = 0;
            flag[i] = false;
        }
    }
    inline void update(ll a, ll b, ll x, ll i = 0, ll l = 0, ll r = 1LL << 20) {
        eval(i, l, r);
        if (b <= l || r <= a) return;
        if (a <= l && r <= b) {
            lazy[i] = x;
            flag[i] = true;
            eval(i, l, r);
        } else {
            update(a, b, x, i * 2 + 1, l, (l + r) / 2);
            update(a, b, x, i * 2 + 2, (l + r) / 2, r);
            node[i] = std::min(node[i * 2 + 1], node[i * 2 + 2]);
        }
    }
    inline ll min(ll a, ll b, ll i = 0, ll l = 0, ll r = 1LL << 20) {
        if (b <= l || r <= a) return INF;
        eval(i, l, r);
        if (a <= l && r <= b) return node[i];
        return std::min(min(a, b, i * 2 + 1, l, (l + r) / 2),
                        min(a, b, i * 2 + 2, (l + r) / 2, r));
    }
};

signed main() {
    ll N, M, res[3] = {};
    cin >> N >> M;
    ll L[M], R[M];
    char T[M];
    RUMQ seg;
    rep(i, M) cin >> L[i] >> R[i] >> T[i];
    reverse(L, L + M), reverse(R, R + M), reverse(T, T + M);
    rep(i, M) {
        if (T[i] == 'Y') seg.update(L[i] - 1, R[i], 0);
        if (T[i] == 'K') seg.update(L[i] - 1, R[i], 1);
        if (T[i] == 'C') seg.update(L[i] - 1, R[i], 2);
    }
    rep(i, N) if (seg.min(i, i + 1) != INF) res[seg.min(i, i + 1)]++;
    cout << res[0] << sp;
    cout << res[1] << sp;
    cout << res[2] << rt;
}

// -g -D_GLIBCXX_DEBUG -fsanitize=undefined
0