Submission #646031

#	Time	Username	Problem	Language	Result	Execution time	Memory
646031		Tenis0206	Strange Device (APIO19_strange_device)	C++11	0 / 100	368 ms	16844 KiB

strange_device

#include <bits/stdc++.h>
#define int long long

using namespace std;

int n,a,b;

vector<pair<int,int>> e;

int fr[1000005];

__int128 x;

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>a>>b;
    for(int i=1;i<=n;i++)
    {
        int l,r;
        cin>>l>>r;
        if(r - l + 1 >= a * b)
        {
            cout<<a * b<<'\n';
            return 0;
        }
        l %= a * b;
        r %= a * b;
        if(l <= r)
        {
            e.push_back({l,r});
        }
        else
        {
            e.push_back({0,r});
            e.push_back({l,a*b-1});
        }
    }
    sort(e.begin(),e.end());
    int rez = 0;
    for(auto it : e)
    {

    }
    cout<<rez<<'\n';
    return 0;
}

Compilation message (stderr)

strange_device.cpp: In function 'int main()':
strange_device.cpp:42:14: warning: variable 'it' set but not used [-Wunused-but-set-variable]
   42 |     for(auto it : e)
      |              ^~

• 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