제출 #362814

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
362814		nickmet2004	케이크 (CEOI14_cake)	C++11	0 / 100	1326 ms	5992 KiB

cake

#include<bits/stdc++.h>

using namespace std;
const int N = 2e5 + 15;
int n , s , q , a[N];
int T[1<<20] , H[N];
vector<int> top10;
void upd(int d , int id , int l = 1 , int r = n, int pos = 1){
    if(id > r || id < l) return;
    if(l == r){
        T[pos] = d; return;
    }
    int mid = (l + r) >> 1;
    upd(d , id,  l , mid , pos * 2); upd(d , id , mid + 1 , r , pos * 2 + 1);
    T[pos] = max(T[pos * 2 ] , T[pos * 2 + 1]);
}
int get(int L , int R , int l = 1, int r= n , int pos = 1){
    if(r < L || R < l) return -1;
    if(L <= l && r <= R)return T[pos];
    int mid = (l + r)>>1;
    return max(get(L ,R , l , mid , pos * 2) , get(L , R , mid + 1,  r , pos * 2 +1));
}
int go1(int L , int R , int x , int l = 1,  int r = n , int pos = 1){
    if(R < l || r < L) return -1;
    if(L <= l && r <= R){
        if(T[pos] <= x) return -1;
        while(l != r){
            int mid = (l + r) >> 1;
            if(T[pos * 2] > x) pos = pos * 2  , r = mid;
            else pos = pos * 2 + 1 , l = mid + 1;
        }
        return l;
    }
    int mid = (l + r) >> 1;
    int Left = go1(L , R , x , l , mid , pos * 2);
    if(Left != -1) return Left;
    return go1(L , R , x , mid + 1 , r ,pos * 2 + 1);
}
int go2(int L , int R , int x, int l = 1 , int r =n , int pos = 1){
    if(R < l || r < L) return -1;
    if(L <= l && r <= R){
        if(T[pos] <= x) return -1;
        while(l != r){
            int mid = (l + r) >> 1;
            if(T[pos * 2 + 1] > x) pos = pos * 2 + 1 , l = mid + 1;
            else pos = pos * 2 , r = mid;
        }
        return l;
    }
    int mid = (l + r) >> 1;
    int Right = go2(L , R , x , mid + 1 , r , pos * 2 + 1);
    if(Right != -1) return Right;
    return go2(L , R , x , l , mid , pos * 2);
}
int main (){
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> n >> s;
    for(int i = 1; i <= n; ++i) cin >> a[i] , top10.emplace_back(i);
    for(int i = 1; i <= n; ++i) upd(a[i] , i);
    sort(top10.begin() , top10.end(),  [&](int i , int j){
        return a[i] > a[j];
    });
    while(top10.size() > 10) top10.pop_back();
    //for(int x : top10) cout << x << " ";
    cin >> q;
    while(q--){
        char c;
        cin >> c;
        if(c == 'E'){
            int id, rnk;
            cin >> id >> rnk;
            for(int j =0; j < top10.size(); ++j){
                if(top10[j] == id) {top10.erase(top10.begin() + j); break;}
            }
            rnk--;
            top10.insert(top10.begin() + rnk, id);
            if(top10.size() > 10) top10.pop_back();
            int p = n;
            for(int j = rnk; ~j; --j) upd(++p , top10[j]);
            //for(int j  = 0; j < top10.size(); ++j) cout << top10[j] << " ";cout <<endl;
        } else {
            int F;
            cin >> F;
            if(F ==s){cout << 0 << endl; continue;}
            if(F < s){
                int mx = get(F , s - 1);
                //cout << "hii" << endl;
                int y = go1(s + 1 , n  , mx);
                if(y == -1) cout << n - F  << endl;
                else cout << y - F - 1<< endl;
            } else {
                int mx = get(s + 1 , F);
                int y = go2(1 , s-1, mx);
                if(y == -1) cout << F  << endl;
                else cout << F - y - 1 << endl;
                //cout << F << " F " << y << " y " << endl;
            }
        }
    }
return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

cake.cpp: In function 'int main()':
cake.cpp:72:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |             for(int j =0; j < top10.size(); ++j){
      |                           ~~^~~~~~~~~~~~~~

• Subtask 1: 0 / 15
• Subtask 2: 0 / 15
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50