oj.uz

답안 #204702

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
204702 2020-02-26T17:36:49 Z toxic_hack 케이크 (CEOI14_cake) C++14
0 / 100
 1552 ms 42876 KB 
// g++ -std=c++14

/*

Today might be the chance to grasp the chance to let your talent bloom.
May be tomorrow, the day after, or next year...
May be even when you are 30. I'm not sure if physique has anything to do with it
but if you think that it will never come, it probably never will.

- Tooru Oikawa.

*/


#include<bits/stdc++.h>

typedef long long ll;
typedef long double lld;
using namespace std;

#define endl "\n"
#define fi first
#define se second
#define pb(x) push_back(x)
#define mp(x,y) make_pair(x,y)
#define MEMS(a,b) memset(a,b,sizeof(a))
#define _ ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define __ freopen("input.txt","r",stdin);freopen("output.txt","w",stdout);
#define all(c) c.begin(),c.end()
#define pii pair<int, int>
#define tr(...) cout<<__FUNCTION__<<' '<<__LINE__<<" = ";trace(#__VA_ARGS__, __VA_ARGS__)
template<typename S, typename T>
ostream& operator<<(ostream& out,pair<S,T> const& p){out<<'('<<p.fi<<", "<<p.se<<')';return out;}

template<typename T>
ostream& operator<<(ostream& out,vector<T> const& v){
ll l=v.size();for(ll i=0;i<l-1;i++)out<<v[i]<<' ';if(l>0)out<<v[l-1];return out;}

template <typename T>
ostream &operator<<(ostream &out, set<T> const &v) {
    for (auto i = v.begin(); i != v.end(); i++)
        out << (*i) << ' ';
    return out;
}
template <typename T, typename V>
ostream &operator<<(ostream &out, map<T, V> const &v) {
    for (auto i = v.begin(); i != v.end(); i++)
        out << "\n" << (i->first) <<  ":"  << (i->second);
    return out;
}

template<typename T>
void trace(const char* name, T&& arg1){cout<<name<<" : "<<arg1<<endl;}

template<typename T, typename... Args>
void trace(const char* names, T&& arg1, Args&&... args){
const char* comma = strchr(names + 1, ',');cout.write(names, comma-names)<<" : "<<arg1<<" | ";trace(comma+1,args...);}

const int N = 3e5 + 100;

const int inf = 1e9;

int n, q, a;
int arr[N];
struct node {
    int mx, i1, mn, i2;
};

node t[4*N];
node combine(node a, node b) {
    node ans;
    if (a.mx > b.mx) {
        ans.mx = a.mx;
        ans.i1 = a.i1;
    } else {
        ans.mx = b.mx;
        ans.i1 = b.i1;
    }
    if (a.mn < b.mn) {
        ans.mn = a.mn;
        ans.i2 = a.i2;
    } else {
        ans.mn = b.mn;
        ans.i2 = b.i2;
    }
    return ans;
}

void build(int a[], int v, int tl, int tr) {
    if (tl == tr) {
        t[v] = {arr[tl], tl, arr[tl], tl};
    } else {
        int tm = (tl + tr) / 2;
        build(a, v*2, tl, tm);
        build(a, v*2+1, tm+1, tr);
        t[v] = combine(t[v*2], t[v*2+1]);
    }
}

node get(int v, int tl, int tr, int l, int r) {
    if (l > r)
        return {-inf, 0, inf, 0};
    if (l == tl && r == tr)
        return t[v];
    int tm = (tl + tr) / 2;
    return combine(get(v*2, tl, tm, l, min(r, tm)), 
                   get(v*2+1, tm+1, tr, max(l, tm+1), r));
}

void update(int v, int tl, int tr, int pos, int new_val) {
    if (tl == tr) {
        t[v] = {arr[tl], tl, arr[tl], tl};
    } else {
        int tm = (tl + tr) / 2;
        if (pos <= tm)
            update(v*2, tl, tm, pos, new_val);
        else
            update(v*2+1, tm+1, tr, pos, new_val);
        t[v] = combine(t[v*2], t[v*2+1]);
    }
}

int findright(int v, int tl, int tr, int l, int r, int val) {
    // tr(tl, tr);
    if (tl > tr || l > r) return -1;
    if (tr < l || tl > r) return -1;
    if (tl == tr) {
        // tr(tl, t[v].mx);
        if (t[v].mx > val) return tl;
        else return -1;
    }
    int tm = (tl + tr) / 2;
    if (tl >= l && tr <= r) {
        // tr(l, r, tl, tr, t[2 * v].mx, t[2 * v + 1].mx);
        if (t[2 * v + 1].mx > val) return findright(2 * v + 1, tm + 1, tr, l, r, val);
        if (t[2 * v].mx > val) return findright(2 * v, tl, tm, l, r, val);
        return -1;
    }
    int ans = -1;
    if (tm + 1 >= l) ans = findright(2 * v + 1, tm + 1, tr, l, r, val);
    if (ans == -1 && (l >= tl)) ans = findright(2 * v, tl, tm, l, r, val);
    return ans;
}

int findleft(int v, int tl, int tr, int l, int r, int val) {
    if (tl > tr || l > r) return -1;
    if (tr < l || tl > r) return -1;
    if (tl == tr) {
        if (t[v].mx > val) return tl;
        else return -1;
    }
    int tm = (tl + tr) / 2;
    if (tl >= l && tr <= r) {
        // tr(l, r, tl, tr, t[2 * v].mx, t[2 * v + 1].mx);
        if (t[2 * v].mx > val) return findleft(2 * v, tl, tm, l, r, val);
        if (t[2 * v + 1].mx > val) return findleft(2 * v + 1, tm + 1, tr, l, r, val);
        return -1;
    }
    int ans = -1;
    if (ans == -1 && (l >= tl)) ans = findleft(2 * v, tl, tm, l, r, val);
    if (ans == -1 && (tm + 1 >= l)) ans = findleft(2 * v + 1, tm + 1, tr, l, r, val);
    // tr(tl, tr, ans);
    return ans; 
}


int solve() {
    cin >> n >> a;
    set<pii> curr;
    for (int i = 1; i <= n; i++) {
        cin >> arr[i];
        curr.insert({arr[i], i});
    }
    set<pii> :: iterator it;
    it = curr.end();
    it--; 
    build(arr, 1, 1, n);
    cin >> q;
    for (int i_ = 0; i_ < q; i_++) {
        char c;
        cin >> c;
        if (c == 'F') {
            int pos; cin >> pos;
            if (pos == a) {
                cout << 0 << endl;
                continue;
            } else if (pos > a) {
                auto m1 = get(1, 1, n, a + 1, pos);
                auto m2 = get(1, 1, n, 1, a - 1);
                // tr(m1.mx, m1.i1, m2.mx, m2.i1);
                if (m1.mx > m2.mx) {
                    cout << pos - 1 << endl;
                } else {
                    int where = findright(1, 1, n, 1, a - 1, m1.mx);
                    assert(where != -1);
                    cout << (pos - where - 1) << endl;
                }
            } else {
                auto m1 = get(1, 1, n, pos, a - 1);
                auto m2 = get(1, 1, n, a + 1, n);
                // tr(m1.mx, m1.i1, m2.mx, m2.i1);
                if (m1.mx > m2.mx) {
                    cout << (n - pos) << endl;
                } else {
                    int where = findleft(1, 1, n, a + 1, n, m1.mx);
                    // tr(where);
                    assert(where != -1);
                    cout << (where - pos - 1) << endl;
                }
            }
        } else {
            int pos, val;
            cin >> pos >> val;
            vector<pii> now;
            for (int i = 1; i < val; i++) {
                now.push_back(*it);
                it--;
            }
            auto lol = *it;
            now.push_back({lol.fi + 1, pos});
            curr.erase({arr[pos], pos});
            arr[pos] = lol.fi + 1;
            curr.insert({arr[pos], pos});
            // tr(pos, arr[pos]);
            update(1, 1, n, pos, arr[pos]);
            reverse(all(now));
            for (int i = 1; i < val; i++) {
                curr.erase(curr.find(now[i]));
                now[i].fi++;
                arr[now[i].se] = now[i].fi;
                curr.insert(now[i]);
                update(1, 1, n, now[i].se, now[i].fi);
            }
            it = curr.end();
            it--;
        }
        // tr(curr);
        // for (int i = 1; i <= n; i++) {
        //     cout << get(1, 1, n, i, i).mx << " ";
        // }
        // cout << endl;
    }
    return 0;
}

int32_t main(){ _
    int t;
    // cin >> t;
    t = 1;
    while (t--) solve();
}

Subtask #1
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Runtime error 6 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -

Subtask #2
0.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 162 ms 2552 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Runtime error 14 ms 2552 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Incorrect 497 ms 1528 KB Output isn't correct
4 Runtime error 15 ms 2552 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Runtime error 34 ms 5240 KB Execution killed with signal 11 (could be triggered by violating memory limits)
6 Runtime error 27 ms 5240 KB Execution killed with signal 11 (could be triggered by violating memory limits)
7 Incorrect 542 ms 2808 KB Output isn't correct
8 Runtime error 22 ms 5240 KB Execution killed with signal 11 (could be triggered by violating memory limits)

Subtask #3
0.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 69 ms 19192 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Runtime error 52 ms 19192 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Runtime error 51 ms 19196 KB Execution killed with signal 11 (could be triggered by violating memory limits)
4 Correct 5 ms 376 KB Output is correct
5 Incorrect 293 ms 22008 KB Output isn't correct
6 Runtime error 203 ms 42872 KB Execution killed with signal 11 (could be triggered by violating memory limits)
7 Runtime error 120 ms 42872 KB Execution killed with signal 11 (could be triggered by violating memory limits)

Subtask #4
0.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 7 ms 1144 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Runtime error 9 ms 1528 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Runtime error 36 ms 9848 KB Execution killed with signal 11 (could be triggered by violating memory limits)
4 Runtime error 29 ms 9848 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Runtime error 7 ms 888 KB Execution killed with signal 11 (could be triggered by violating memory limits)
6 Runtime error 45 ms 11580 KB Execution killed with signal 11 (could be triggered by violating memory limits)
7 Runtime error 10 ms 2552 KB Execution killed with signal 11 (could be triggered by violating memory limits)
8 Runtime error 66 ms 19192 KB Execution killed with signal 11 (could be triggered by violating memory limits)
9 Runtime error 207 ms 42876 KB Execution killed with signal 11 (could be triggered by violating memory limits)
10 Runtime error 7 ms 888 KB Execution killed with signal 11 (could be triggered by violating memory limits)
11 Runtime error 16 ms 4600 KB Execution killed with signal 11 (could be triggered by violating memory limits)
12 Incorrect 1552 ms 20728 KB Output isn't correct
13 Runtime error 209 ms 42872 KB Execution killed with signal 11 (could be triggered by violating memory limits)