Submission #1197285

#	Time	Username	Problem	Language	Result	Execution time	Memory
1197285		vnedu	Strange Device (APIO19_strange_device)	C++17	10 / 100	166 ms	32328 KiB

strange_device

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;

template<class T> bool maximize(T &a, const T &b){ return (a < b ? a = b, 1 : 0); }
template<class T> bool minimize(T &a, const T &b){ return (a > b ? a = b, 1 : 0); }

#define fi first
#define se second

#define pb push_back
#define ii pair<int, int>

#define all(x) x.begin(), x.end()

#define TASK "nonsense"

/// end of template ///

const int Q = 1e6 + 10;
ll S=0,L=0,A,B;
int _q;
pair<ll,ll> q[Q];
namespace sub1
{
    bool check()
    {
        return (S<=(int)1e6);
    }
    set<pair<ll,ll>> s;
    void solve()
    {
        for(int i=1;i<=_q;++i)
        {
            for(ll t=q[i].fi;t<=q[i].se;++t) s.insert({(t+t/B)%A,t%B});
        }
        cout<<(int)s.size();
    }
}
void solve()
{
    cin>>_q>>A>>B;
    for(int i=1;i<=_q;++i)
    {
        ll l,r; cin>>l>>r;
        q[i]={l,r};
        maximize(L,r-l+1);
        S+=r-l+1;
    }
    if(sub1::check()) return void(sub1::solve());
}
int main()  {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

//    freopen(TASK".inp","r",stdin);
//    freopen(TASK".out","w",stdout);

    int testcase=1;
//    cin>>testcase;

    while (testcase--)
        solve();

    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 5
• Subtask 3: 0 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20
• Subtask 8: 0 / 30