Submission #285099

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
285099	2020-08-28 10:16:50	2fat2code	Nautilus (BOI19_nautilus)	C++17	66 / 100	1053 ms	640 KiB

nautilus

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define all(a) (a).begin(), (a).end()
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define sz() size()
#define fr first
#define sc second
//#define int long long
#define mp make_pair
#define rc(s) return cout<<s,0
#define rcc(s) cout<<s,exit(0)
const int mod = 1e9 + 7;
ll lgp(ll a,ll b){
    ll res = 1LL, pop = a;
    for(int i=0;(1LL << i)<=b;i++){
        if(b & (1LL << i)){
            res = (res * pop) % mod;
        }
        pop = (pop * pop) % mod;
    }
    return res;
}
ll inv(ll a){
    return lgp(a, mod - 2LL);
 
 
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• Subtask 1: 29 / 29
• Subtask 2: 37 / 37
• Subtask 3: 0 / 34