답안 #304571

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
304571 2020-09-21T14:15:08 Z HynDuf 케이크 (CEOI14_cake) C++11
83.3333 / 100
2000 ms 5600 KB
#include <bits/stdc++.h>

#define task "C"
#define all(v) (v).begin(), (v).end()
#define rep(i, l, r) for (int i = (l); i <= (r); ++i)
#define Rep(i, r, l) for (int i = (r); i >= (l); --i)
#define DB(X) { cerr << #X << " = " << (X) << '\n'; }
#define DB1(A, _) { cerr << #A << "[" << _ << "] = " << (A[_]) << '\n'; }
#define DB2(A, _, __) { cerr << #A << "[" << _ << "][" << __ << "] = " << (A[_][__]) << '\n'; }
#define DB3(A, _, __, ___) { cerr << #A << "[" << _ << "][" << __ << "][" << ___ << "] = " << (A[_][__][___]) << '\n'; }
#define PR(A, l, r) { cerr << '\n'; rep(_, l, r) DB1(A, _); cerr << '\n';}
#define SZ(x) ((int)(x).size())
#define pb push_back
#define eb emplace_back
#define pf push_front
#define F first
#define S second
#define by(x) [](const auto& a, const auto& b) { return a.x < b.x; } // sort(arr, arr + N, by(a));
#define next ___next
#define prev ___prev
#define y1 ___y1
#define left ___left
#define right ___right
#define y0 ___y0
#define div ___div
#define j0 ___j0
#define jn ___jn

using ll = long long;
using ld = long double;
using ull = unsigned long long;
using namespace std;
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<ll> vl;
const int N = 250002;
int read(){int s=0,f=1;char ch=getchar();while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}while(ch>='0'&&ch<='9'){s=(s<<3)+(s<<1)+ch-'0',ch=getchar();}return s*f;}
char readch() {char c; do c = getchar(); while (c == '\n' || c == ' '); return c;}
template <typename T> inline void wrip(T x) {if (x > 9) wrip(x / 10); putchar(x%10 + 48); }
template <typename T> inline void writeln(T x) {if (x < 0) putchar('-'), x = -x; wrip(x); putchar('\n');}
int n, A, q, a[N];
set<ii> mxa;
int it[4 * N];
void build(int id, int l, int r)
{
    if (l == r)
    {
        it[id] = a[l];
        return;
    }
    int m = (l + r) >> 1;
    build(id << 1, l, m);
    build((id << 1) | 1, m + 1, r);
    it[id] = max(it[id << 1], it[(id << 1) | 1]);
}
void update(int id, int l, int r, int p)
{
    if (l > p || r < p) return;
    if (l == r)
    {
        it[id] = a[p];
        return;
    }
    int m = (l + r) >> 1;
    update(id << 1, l, m, p);
    update((id << 1) | 1, m + 1, r, p);
    it[id] = max(it[id << 1], it[(id << 1) | 1]);
}
int query(int id, int l, int r, int L, int R)
{
    if (l > R || r < L) return -1e9;
    if (L <= l && r <= R) return it[id];
    int m = (l + r) >> 1;
    return max(query(id << 1, l, m, L, R), query((id << 1) | 1, m + 1, r, L, R));
}
int main()
{
#ifdef HynDuf
    freopen(task".in", "r", stdin);
    //freopen(task".out", "w", stdout);
#else
    ios_base::sync_with_stdio(false); cin.tie(nullptr);
#endif
    //cin >> n >> A;
    n = read(), A = read();
    rep(i, 1, n)
    {
        a[i] = read();
        mxa.insert({a[i], i});
        if (SZ(mxa) > 10) mxa.erase(mxa.begin());
    }
    build(1, 1, n);
    q = read();
    while (q--)
    {
        char t;
        int x;
        t = readch();
        x = read();
        if (t == 'E')
        {
            int r;
            r = read();
            vii change;
            rep(i, 1, r - 1)
            {
                auto it = mxa.end(); it--;
                if (it->S != x)
                {
                    change.pb({it->F + 1, it->S});
                    a[it->S]++;
                    update(1, 1, n, it->S);
                } else i--;
                mxa.erase(it);
            }
            auto it = mxa.lower_bound({a[x], 0});
            if (it != mxa.end() && it->F == a[x]) mxa.erase(it);
            a[x] = (change.empty() ? (mxa.rbegin()->F + 1) : (change.back().F - 1));
            change.pb({a[x], x});
            update(1, 1, n, x);

            for (ii v : change) mxa.insert(v);
            if (SZ(mxa) > 10) mxa.erase(mxa.begin());

        } else if (x > A)
        {
            int mx = query(1, 1, n, A + 1, x);
            int l = 1, r = A - 1;
            while (l <= r)
            {
                int m = (l + r) >> 1;
                if (query(1, 1, n, m, A - 1) > mx) l = m + 1;
                else r = m - 1;
            }
            writeln(x - l);
        } else if (x < A)
        {
            int mx = query(1, 1, n, x, A - 1);
            int l = A + 1, r = n;
            while (l <= r)
            {
                int m = (l + r) >> 1;
                if (query(1, 1, n, A + 1, m) > mx) r = m - 1;
                else l = m + 1;
            }
            writeln(r - x);
        } else puts("0");
    }
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 8 ms 384 KB Output is correct
5 Correct 24 ms 512 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 622 ms 568 KB Output is correct
2 Correct 344 ms 512 KB Output is correct
3 Correct 398 ms 512 KB Output is correct
4 Correct 192 ms 512 KB Output is correct
5 Correct 678 ms 756 KB Output is correct
6 Correct 551 ms 760 KB Output is correct
7 Correct 432 ms 640 KB Output is correct
8 Correct 206 ms 640 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 556 ms 2644 KB Output is correct
2 Correct 394 ms 2296 KB Output is correct
3 Correct 414 ms 2296 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 499 ms 4216 KB Output is correct
6 Correct 667 ms 4216 KB Output is correct
7 Correct 557 ms 3856 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 118 ms 504 KB Output is correct
2 Correct 92 ms 512 KB Output is correct
3 Correct 231 ms 1328 KB Output is correct
4 Correct 233 ms 1328 KB Output is correct
5 Correct 258 ms 888 KB Output is correct
6 Correct 472 ms 1656 KB Output is correct
7 Correct 307 ms 1016 KB Output is correct
8 Correct 214 ms 1792 KB Output is correct
9 Correct 1840 ms 5136 KB Output is correct
10 Correct 792 ms 1784 KB Output is correct
11 Correct 1195 ms 2060 KB Output is correct
12 Correct 1810 ms 4892 KB Output is correct
13 Execution timed out 2080 ms 5600 KB Time limit exceeded