Submission #568784

#	Time	Username	Problem	Language	Result	Execution time	Memory
568784		birthdaycake	Strange Device (APIO19_strange_device)	C++17	10 / 100	5039 ms	524288 KiB

strange_device

#include<bits/stdc++.h>
#define int long long
#define endl '\n'
#define mod 1000000007
#define boost ios_base::sync_with_stdio(false), cin.tie(NULL);
using namespace std;
 
 
pair<int,int>a[2000001];
signed main() {
 
    int n,A,B, ans = 0; cin >> n >> A >> B;
    set<pair<int,int>>x;
    for(int i = 0; i < n; i++){
        cin >> a[i].first >> a[i].second;
        for(int j = a[i].first; j <= a[i].second; j++){
            x.insert({(j + (j / B) ) % A, j % B});
        }
        
    }
    
    cout << x.size();
    return 0;
}

Compilation message (stderr)

strange_device.cpp: In function 'int main()':
strange_device.cpp:12:16: warning: unused variable 'ans' [-Wunused-variable]
   12 |     int n,A,B, ans = 0; cin >> n >> A >> B;
      |                ^~~

• 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