Submission #382908

#	Time	Username	Problem	Language	Result	Execution time	Memory
382908		abil	Strange Device (APIO19_strange_device)	C++14	10 / 100	5058 ms	524292 KiB

strange_device

#include <bits/stdc++.h>

#define SPEEDUP ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);
#define fr first
#define sc second
#define pb push_back
#define mk make_pair
#define all(s) s.begin(),s.end()
#define int long long

using namespace std;

const int N = (1e6 + 12);
const int mod = (1e9 + 7);
const int inf = (1e9 + 7);

int l[N], r[N];

main(){
    SPEEDUP;
    int n, A, B;
    cin >> n >> A >> B;
    for(int i = 1; i <= n; i++){
        cin >> l[i] >> r[i];
    }
    set<pair<int,int >> st;
    for(int i = 1;i <= n; i++){
        for(int j = l[i], x, y; j <= r[i]; j++){
            x = ((j + (j + B - 1) / B) % A);
            y = j % B;
            st.insert({x, y});
        }
    }
    cout << st.size();
}

Compilation message (stderr)

strange_device.cpp:19:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   19 | main(){
      |      ^

• 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