제출 #217933

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
217933	2020-03-31 08:37:39	Autoratch	이상한 기계 (APIO19_strange_device)	C++14	100 / 100	1540 ms	178740 KiB

strange_device

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#include <bits/stdc++.h>
using namespace std;
const int N = 2e6 + 10;
int n;
long long a,b;
map<long long,int> ma;
set<long long> s;
int res[N];
vector<pair<long long,long long> > in;
long long rng[N],ans;
int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> n >> a >> b;
    a/=__gcd(a,b+1);
    if(a>1e18/b) a = (1e18+2),b = 1;
    for(int i = 0;i < n;i++)
    {
        long long x,y;
        cin >> x >> y; 
        if(y-x+1LL>=a*b){ cout << a*b; return 0; }
        y++;
        x%=(a*b),y%=(a*b); 
        if(y<x) in.push_back({0LL,y}),in.push_back({x,a*b});
        else in.push_back({x,y});
        s.insert(x),s.insert(y);
 
 
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• Subtask 8: 30 / 30