Submission #983259

#	Time	Username	Problem	Language	Result	Execution time	Memory
983259		vjudge1	Strange Device (APIO19_strange_device)	C++17	10 / 100	5063 ms	524288 KiB

strange_device

#include <bits/stdc++.h>

using namespace std;

#define TL ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define rall(s) s.rbegin(),s.rend()
#define all(s) s.begin(),s.end()
#define pb push_back
#define se second
#define fi first
#define ll long long
#define ld long double
#define YES cout<<"YES\n"
#define Yes cout<<"Yes\n"
#define yes cout<<"yes\n"
#define NO cout<<"NO\n"
#define No cout<<"No\n"
#define no cout<<"no\n"


const int N = 5e5 + 9 , mod = 1e9 + 7;
ll a[N] , b[N] , dp[N] , c[N] , d[N];


void solve()
{
    ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
    ll a , b;
    cin>>n;
    cin>>a>>b;
    set<pair<int,int>>st;
    x = a / __gcd(b + 1, a);
    y = 1e18 / __gcd(b + 1, a);
    if(x >= y){
        s = 0;
        for(i = 1; i <= n; i++){
            cin>>x>>y;
            s += (y - x) + 1;
        }
        cout<<s<<"\n";
    return;
    }
    for(i = 1; i <= n; i++){
        cin>>x>>y;
        for(j = x; j <= y; j++)
            st.insert({(j + (j / b))  % a , j  % b});
    }
    cout<<st.size()<<"\n";
}

int main(){
    TL;

    int t = 1;
//   cin>>t;
    while(t--)
     {
        solve();
     }
}
// Author : حسن

Compilation message (stderr)

strange_device.cpp: In function 'void solve()':
strange_device.cpp:27:12: warning: unused variable 'q' [-Wunused-variable]
   27 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
      |            ^
strange_device.cpp:27:23: warning: unused variable 'l' [-Wunused-variable]
   27 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
      |                       ^
strange_device.cpp:27:26: warning: unused variable 'r' [-Wunused-variable]
   27 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
      |                          ^
strange_device.cpp:27:46: warning: unused variable 'f' [-Wunused-variable]
   27 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
      |                                              ^
strange_device.cpp:27:50: warning: unused variable 'k' [-Wunused-variable]
   27 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
      |                                                  ^
strange_device.cpp:27:54: warning: unused variable 'm' [-Wunused-variable]
   27 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
      |                                                      ^
strange_device.cpp:27:58: warning: unused variable 'mx' [-Wunused-variable]
   27 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
      |                                                          ^~
strange_device.cpp:27:67: warning: unused variable 'mn' [-Wunused-variable]
   27 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
      |                                                                   ^~

• 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