Submission #638818

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
638818	2022-09-07 14:49:53	qwerasdfzxcl	Ancient Books (IOI17_books)	C++17	100 / 100	577 ms	173756 KiB

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#include "books.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int  n, s, ts, ans, a[1001000], cycL[1001000], cycR[1001000], L[1001000], R[1001000], dp[1001000];
bool visited[1001000];
ll cycsum;
struct Seg{
    int tree[2002000], sz;
    void init(int n){
        sz = n;
        fill(tree, tree+sz*2, 1e9);
    }
    void update(int p, int x){
        for (tree[p+=sz]=x;p>1;p>>=1) tree[p>>1] = min(tree[p], tree[p^1]);
    }
    int query(int l, int r){
        int ret = 1e9;
        ++r;
        for (l+=sz, r+=sz;l<r;l>>=1, r>>=1){
            if (l&1) ret = min(ret, tree[l++]);
            if (r&1) ret = min(ret, tree[--r]);
        }
        return ret;
    }
}tree1, tree2;
ll myabs(ll x){
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 10 / 10
• Subtask 3: 28 / 28
• Subtask 4: 20 / 20
• Subtask 5: 30 / 30