제출 #287868

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
287868	2020-09-01 05:30:41	zecookiez	Untitled (POI11_rot)	C++14	72 / 100	120 ms	15996 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
template<class C>constexpr int len(const C&c){return int(c.size());}
const int MAXN = 200005;
int N, id, cur, arr[MAXN], L[2*MAXN], R[2*MAXN], LL[2*MAXN], RR[2*MAXN], bit[MAXN];
long long ans;
void update(int pos, int val){
    for(int i = pos; i <= N; i += i & -i) bit[i] += val;
}
int query(int pos){
    int tot = 0; for(int i = pos; i > 0; i &= i - 1) tot += bit[i];
    return tot;
}
void read_tree(int node){
    int A; cin >> A;
    L[node] = cur;
    if(A != 0){
        arr[cur++] = A; R[node] = cur; return;
    }
    LL[node] = ++id; read_tree(id);
    RR[node] = ++id; read_tree(id);
    R[node] = cur;
}
void solve(int id){
    if(R[id] - L[id] == 1){
        update(arr[L[id]], 1); return;
 
 
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• Subtask 9: 0 / 9
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• Subtask 11: 0 / 10