Submission #977732

#	Time	Username	Problem	Language	Result	Execution time	Memory
977732		De3b0o	Strange Device (APIO19_strange_device)	C++14	0 / 100	5052 ms	524288 KiB

strange_device

#include<bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define in insert
#define pb push_back
#define ppb pop_back()
#define d3 ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define cans cout << ans << "\n";
#define yes cout << "Yes" << "\n";
#define no cout << "No" << "\n";
#define pll pair<ll,ll>
#define lin cout << "\n";
#define sqr 340
#define mod 1000000007
#define mid ((l+r)/2)
#define lc (2*n)
#define rc (2*n+1)

using namespace std;

ll fp(ll x , ll y)
{
    if(y==0)
        return 1;
    ll z = fp(x,y/2);
    if(y&1)
        return z*z%mod*x%mod;
    else
        return z*z%mod;
}

int sqrot(ll x)
{
    int l = 0 , r = INT_MAX;
    while(l<=r)
    {
        if(mid*mid>=x)
            r=mid-1;
        else
            l=mid+1;
    }
    return r+1;
}

ll cel(ll x , ll y)
{
    return x/y + bool(x%y);
}

int main()
{
    d3
    ll n , A , B;
    cin >> n >> A >> B;
    pll a[n];
    for(int i = 0 ; n>i ; i++)
        cin >> a[i].F >> a[i].S;
    map<pll,bool> mp;
    for(int i = 0 ; n>i ; i++)
    {
        for(int j = a[i].F ; a[i].S>=j ; j++)
        {
            ll x = (j+j/B)%A;
            ll y = j%B;
            mp[{x,y}]=1;
        }
    }
    cout << mp.size();
}

• Subtask 1: 0 / 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