제출 #635820

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
635820	2022-08-27 04:48:06	PoonYaPat	Strange Device (APIO19_strange_device)	C++14	100 / 100	468 ms	53336 KiB

strange_device

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
ll n,A,B,mod,ans;
vector<pll> v;
int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin>>n>>A>>B;
    A=A/__gcd(A,B+1);
    if (A>2e18/B || A>2e18/B) mod=2e18;
    else mod=A*B;
    while (n--) {
        ll l,r;
        cin>>l>>r;
        if (r-l+1>=mod) {
            cout<<mod;
            return 0;
        }
        l%=mod;
        r%=mod;
        if (l<=r) v.push_back(pll(l,r));
        else v.push_back(pll(l,mod-1)), v.push_back(pll(0,r));
    }
 
 
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