Submission #1174773

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1174773	2025-03-27 10:06:53	Muhammet	Strange Device (APIO19_strange_device)	C++17	35 / 100	275 ms	16992 KiB

strange_device

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#include "bits/stdc++.h"
using namespace std;
 
#define ll long long
#define SZ(s) (int)s.size()
#define ff first
#define ss second
const int N = 3e5 + 5;
ll INF = LLONG_MAX;
int main() {
    ios_base::sync_with_stdio(false); cin.tie(nullptr);
    ll n, a, b;
    cin >> n >> a >> b;
    ll  ans = 0, s = 0;
    vector <pair <ll, ll>> v;
    ll x = (a / __gcd(a, b+1LL));
    ll k = 0;
    if(x <= INF / b) k = (x * b);
    for(int i = 1; i <= n; i++) {
        ll l, r;
        cin >> l >> r;
        s += (r - l + 1);
        l %= k, r %= k;
        if(l <= r) {
            v.push_back({l, r});
 
 
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