Submission #782160

#	Time	Username	Problem	Language	Result	Execution time	Memory
782160		devariaota	Strange Device (APIO19_strange_device)	C++17	0 / 100	5059 ms	524288 KiB

strange_device

#include<bits/stdc++.h>
 
using namespace std;
 
#define fi first
#define se second
#define pii pair<int,int>
#define pll pair<long long, long long>

long long n,a,b;
set<pll> st;

int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int tc,i,j;
    cin>>n>>a>>b;
    for(i=1;i<=n;i++)
    {
        long long l,r,x,y;
        cin>>l>>r;
        for(j=l;j<=r;j++)
        {
            st.insert({(j+j/b)%a,j%b});
        }
    }
    cout<<(long long)st.size()<<'\n';
}

Compilation message (stderr)

strange_device.cpp: In function 'int main()':
strange_device.cpp:20:23: warning: unused variable 'x' [-Wunused-variable]
   20 |         long long l,r,x,y;
      |                       ^
strange_device.cpp:20:25: warning: unused variable 'y' [-Wunused-variable]
   20 |         long long l,r,x,y;
      |                         ^
strange_device.cpp:16:9: warning: unused variable 'tc' [-Wunused-variable]
   16 |     int tc,i,j;
      |         ^~

• 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