Submission #563610

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
563610	2022-05-17 17:26:23	Ooops_sorry	Strange Device (APIO19_strange_device)	C++14	40 / 100	5083 ms	117464 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 solve(ll n, ll a, ll b, vector<ll> l, vector<ll> r) {
    ll ans = 0, need;
    bool was = 0, sum = 0;
    if (log2(a) + log2(b) > log2(1e18) + 1) {
        sum = 1;
    } else {
        for (ll k = 1;; k++) {
            if ((k * b + k) % a == 0) {
                need = k * b;
                break;
            }
        }
    }
    vector<pair<ll, ll>> seg, u;
    for (int i = 0; i < n; i++) {
        if (sum) {
            ans += r[i] - l[i] + 1;
        } else {
            if (r[i] - l[i] + 1 >= need) {
                was = 1;
 
 
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• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
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• Subtask 5: 0 / 5
• Subtask 6: 0 / 20
• Subtask 7: 20 / 20
• Subtask 8: 0 / 30