Submission #500961

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
500961	2022-01-01 18:19:21	IOI_champion_in_1980	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	100 / 100	1426 ms	107364 KiB

sortbooks

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#include<bits/stdc++.h>
using namespace std;
const int N = 1e6 + 5;
const long long inf = 2000000000;
#define ll long long
#define int long long
#define F first
#define S second
#define pb push_back
int n, m, a[N], l[N], r[N], k[N];
int t[4*N], mx;
bool ans[N];
vector<int> v[N];
void update(int pos, int val, int tl = 1, int tr = n, int v = 1){
    if(tl == tr) {
        t[v] = max(t[v], val);
    }
    else{
        int tm = (tl + tr) / 2;
        if(pos <= tm) update(pos, val, tl, tm, v * 2);
        else update(pos, val, tm + 1, tr, v * 2 + 1);
        t[v] = max(t[v * 2], t[v * 2 + 1]);
    }
}
int get(int v, int tl, int tr, int l, int r){
    if(l <= tl && tr <= r) return t[v];
    if(l > tr || r < tl) return 0;
    int tm = (tl + tr) / 2;
    return max(get(v * 2, tl, tm, l, r), get(v * 2 + 1, tm + 1, tr, l, r));
}
 
 
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Compilation message (stderr)

sortbooks.cpp:31:2: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   31 |  main()
      |  ^~~~

• Subtask 1: 8 / 8
• Subtask 2: 9 / 9
• Subtask 3: 13 / 13
• Subtask 4: 17 / 17
• Subtask 5: 30 / 30
• Subtask 6: 23 / 23