Submission #135477

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
135477	2019-07-24 06:28:09	Juney	Strange Device (APIO19_strange_device)	C++14	100 / 100	687 ms	18708 KiB

strange_device

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
const ll INF = 1e18;
ll N, A, B, T;
ll sweep(vector<pll> &v) {
    ll l = 0, r = -1, ret = 0;
    for(auto line : v) {
        if(r >= line.first) r = max(r, line.second);
        else {
            ret += (r - l + 1);
            l = line.first, r = line.second;
        }
    }
    return ret + (r - l + 1);
}
int main() {
    ios::sync_with_stdio(0); cin.tie(0);
    cin >> N >> A >> B;
    T = A / __gcd(A, B+1);
    if(INF / A + 1 < B) T = INF;
    else T *= B, T = min(T, INF);
    vector<pll> line;
 
 
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• Subtask 7: 20 / 20
• Subtask 8: 30 / 30