Submission #488182

#	Time	Username	Problem	Language	Result	Execution time	Memory
488182		mansur	Strange Device (APIO19_strange_device)	C++17	10 / 100	5043 ms	524292 KiB

strange_device

#include<bits/stdc++.h>	
 
/*
#pragma optimize ("g",on)
#pragma GCC optimize("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")
*/

//01001101 01100001 01101011 01101000 01100001  01100111 01100001 01111001 

using namespace std;

#define all(a) a.begin(), a.end()                                                   
#define rall(a) a.rbegin(), a.rend()
#define ll long long
#define pb push_back
#define sz(a) a.size()
#define nl '\n'
#define popb pop_back()                                                                   
#define ld double
#define ull unsigned long long
#define ff first                                         
#define ss second  
#define fix fixed << setprecision
#define pii pair<int, int>
#define E exit (0)
#define int long long
 
const int inf = 1e18, N = 2e5 + 1, mod = 1e9 + 7;                    

vector<pii> dd = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};

main() {                                                         
	//freopen(".in", "r", stdin);                                                                                     
	//freopen(".out", "w", stdout);                                                                                     
	ios_base::sync_with_stdio(NULL);                                                                                        
	cin.tie(NULL);
	int n, a, b;
	cin >> n >> a >> b;
	set<pii> ans;
	for (int i = 1; i <= n; i++) {
	 	int l, r;
	 	cin >> l >> r;
	 	for (int j = l; j <= r; j++) {
	 		ans.insert({(j + j / b) % a, j % b});
		}
	}
	cout << sz(ans);
}                  

Compilation message (stderr)

strange_device.cpp:36:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   36 | 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