//# pragma GCC optimize("Ofast,no-stack-protector")
//# pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
# pragma GCC optimize("Ofast")
# pragma GCC optimization ("unroll-loops")
# include "bits/stdc++.h"
std::pair<int,int> DR[] = {{-1,0},{0,1},{1,0},{0,-1},{-1,1},{-1,-1},{1,1},{1,-1}};
# define ll long long
# define clock (clock() * 1000.0 / CLOCKS_PER_SEC)
# define rc(s) return cout << s,0
# define rcg(s) cout << s;exit(0)
# define _ ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
# define db(x) cerr << #x << " = " << x << '\n'
# define pb push_back
# define mp make_pair
# define all(s) s.begin(),s.end()
# define sz(x) (int)((x).size())
# define int ll
using namespace std;
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# define LOCAL
# define sim template < class c
# define ris return * this
# define dor > debug & operator <<
# define eni(x) sim > typename \
enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) {
sim > struct rge { c b, e; };
sim > rge<c> range(c i, c j) { return rge<c>{i, j}; }
sim > auto dud(c* x) -> decltype(cerr << *x, 0);
sim > char dud(...);
struct debug {
#ifdef LOCAL
~debug() { cerr << endl; }
eni(!=) cerr << boolalpha << i; ris; }
eni(==) ris << range(begin(i), end(i)); }
sim, class b dor(pair < b, c > d) {
ris << "(" << d.first << ", " << d.second << ")";
}
sim dor(rge<c> d) {
*this << "[";
for (auto it = d.b; it != d.e; ++it)
*this << ", " + 2 * (it == d.b) << *it;
ris << "]";
}
#else
sim dor(const c&) { ris; }
#endif
};
#define show(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
int gcd(int a, int b)
{
if(b) return gcd(b,a%b);
return a;
}mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bool B = 1;
int n,a,b,l,r,cnt;
set<int>st;
int32_t main(){_
//freopen("input","r",stdin);
cin >> n >> a >> b;
a /= gcd(a,b + 1);
int BIGSHAQ = 1e18;
if(BIGSHAQ / a < b) B = 0;
else a *= b;
for(int i = 1;i <= n;i++)
{
cin >> l >> r;
cnt += r - l + 1;
for(int j = l;j <= r;j++)
{
st.insert(j % a);
}
}
if(!B) rc(cnt);
else rc(sz(st));
return 0;
}
Compilation message
strange_device.cpp:4:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
# pragma GCC optimization ("unroll-loops")
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
49 ms |
9748 KB |
Output is correct |
3 |
Correct |
82 ms |
13848 KB |
Output is correct |
4 |
Correct |
4 ms |
760 KB |
Output is correct |
5 |
Correct |
2 ms |
348 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
0 ms |
504 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
9 ms |
1016 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
380 KB |
Output is correct |
15 |
Correct |
39 ms |
5368 KB |
Output is correct |
16 |
Correct |
29 ms |
5576 KB |
Output is correct |
17 |
Correct |
79 ms |
6392 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Runtime error |
4862 ms |
524292 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
376 KB |
Output is correct |
2 |
Correct |
117 ms |
24312 KB |
Output is correct |
3 |
Correct |
114 ms |
24184 KB |
Output is correct |
4 |
Correct |
113 ms |
23160 KB |
Output is correct |
5 |
Execution timed out |
5041 ms |
47176 KB |
Time limit exceeded |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
380 KB |
Output is correct |
2 |
Correct |
768 ms |
47816 KB |
Output is correct |
3 |
Runtime error |
3120 ms |
524292 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
380 KB |
Output is correct |
2 |
Correct |
768 ms |
47816 KB |
Output is correct |
3 |
Runtime error |
3120 ms |
524292 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
380 KB |
Output is correct |
2 |
Correct |
768 ms |
47816 KB |
Output is correct |
3 |
Runtime error |
3120 ms |
524292 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Runtime error |
3017 ms |
524292 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
49 ms |
9748 KB |
Output is correct |
3 |
Correct |
82 ms |
13848 KB |
Output is correct |
4 |
Correct |
4 ms |
760 KB |
Output is correct |
5 |
Correct |
2 ms |
348 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
0 ms |
504 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
9 ms |
1016 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
380 KB |
Output is correct |
15 |
Correct |
39 ms |
5368 KB |
Output is correct |
16 |
Correct |
29 ms |
5576 KB |
Output is correct |
17 |
Correct |
79 ms |
6392 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Runtime error |
4862 ms |
524292 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
21 |
Halted |
0 ms |
0 KB |
- |