Submission #835777

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
835777	2023-08-23 19:47:13	MohamedAliSaidane	Sumtree (INOI20_sumtree)	C++14	0 / 100	72 ms	14500 KiB

Main

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define pb push_back
#define ff first
#define ss second
#define all(x) (x).begin(), (x).end()
ll MOD = 1e9 + 7;
ll mod(ll x, ll m = MOD){return (x + m)%m;}
const int nax= 2e5 + 5;
const int rax= 3e5 + 5;
ll fact[2 * rax];
ll binpow(ll a, ll b, ll m= MOD)
{
    ll res = 1ll;
    while(b)
    {
        if(b & 1)
            res = mod(res * 1ll * a);
        a = mod(a * 1ll * a);
        b /= 2ll;
    }
    return res;
}
ll inv(ll x, ll m = MOD)
 
 
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