Submission #563616

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
563616	2022-05-17 17:34:50	Ooops_sorry	Strange Device (APIO19_strange_device)	C++14	25 / 100	684 ms	80380 KiB

strange_device

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#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define ld long double
#define ll long long
mt19937 rnd(51);
ll gcd(int a, int b) {
    if (b == 0) {
        return a;
    } else {
        return gcd(b, a % b);
    }
}
__int128 lcm(ll a, ll b) {
    return (__int128)a * b / gcd(a, b);
}
ll solve(ll n, ll a, ll b, vector<ll> l, vector<ll> r) {
    ll ans = 0, need;
    bool was = 0, sum = 0;
    ll k = lcm(a, b + 1) / (__int128)(b + 1);
    if (log2(k) + log2(b) > log2(1e18) + 1) {
        sum = 1;
    } else {
        need = k * b;
 
 
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• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 0 / 5
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• Subtask 7: 0 / 20
• Subtask 8: 0 / 30