Submission #167544

# Submission time Handle Problem Language Result Execution time Memory
167544 2019-12-08T22:25:41 Z qkxwsm Strange Device (APIO19_strange_device) C++14
100 / 100
1253 ms 100408 KB
#include <bits/stdc++.h>

using namespace std;

template<class T, class U>
void ckmin(T &a, U b)
{
	if (a > b) a = b;
}
template<class T, class U>
void ckmax(T &a, U b)
{
	if (a < b) a = b;
}

#define MP make_pair
#define PB push_back
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define FOR(i, a, b) for (auto i = (a); i < (b); i++)
#define FORD(i, a, b) for (auto i = (a) - 1; i >= (b); i--)
#define SZ(x) ((int) (x).size())
#define ALL(x) (x).begin(), (x).end()

typedef __int128_t ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpi;
typedef vector<pll> vpl;

ll gcd(ll a, ll b)
{
	return (b == 0 ? a : gcd(b, a % b));
}
void readi(ll &x)
{
	long long res;
	cin >> res;
	x = res;
}

int Q;
ll A, B;
ll period, ans;
vpl events;

int32_t main()
{
	ios_base::sync_with_stdio(false); cin.tie(0);
	cout << fixed << setprecision(12);
	cerr << fixed << setprecision(4);
	cin >> Q;
	readi(A); readi(B);
	ll g = gcd(A, B + 1);
	period = B * A / g;
	while(Q--)
	{
		ll L, R;
		readi(L); readi(R);
		if (R - L + 1 >= period)
		{
			cout << (long long) period << '\n';
			return 0;
		}
		L %= period;
		R %= period;
		if (L > R)
		{
			events.PB({L, 1});
			events.PB({period, -1});
			events.PB({0, 1});
			events.PB({R + 1, -1});
		}
		else
		{
			events.PB({L, 1});
			events.PB({R + 1, -1});
		}
	}
	sort(ALL(events));
	int sum = 0;
	FOR(i, 0, SZ(events))
	{
		if (sum)
		{
			ans += (events[i].fi - events[i - 1].fi);
		}
		sum += events[i].se;
	}
	cout << (long long) ans << '\n';
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 10 ms 1928 KB Output is correct
3 Correct 11 ms 1908 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 264 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 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 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 10 ms 1908 KB Output is correct
17 Correct 100 ms 11360 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 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 660 ms 88408 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 900 ms 100332 KB Output is correct
3 Correct 930 ms 100408 KB Output is correct
4 Correct 901 ms 99960 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 900 ms 100332 KB Output is correct
3 Correct 930 ms 100408 KB Output is correct
4 Correct 901 ms 99960 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 927 ms 100132 KB Output is correct
7 Correct 937 ms 99604 KB Output is correct
8 Correct 916 ms 99676 KB Output is correct
9 Correct 1071 ms 99820 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 900 ms 100332 KB Output is correct
3 Correct 930 ms 100408 KB Output is correct
4 Correct 901 ms 99960 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 86 ms 11364 KB Output is correct
7 Correct 91 ms 11356 KB Output is correct
8 Correct 89 ms 11360 KB Output is correct
9 Correct 92 ms 11360 KB Output is correct
10 Correct 83 ms 11364 KB Output is correct
11 Correct 91 ms 11364 KB Output is correct
12 Correct 83 ms 11360 KB Output is correct
13 Correct 97 ms 11316 KB Output is correct
14 Correct 86 ms 11356 KB Output is correct
15 Correct 101 ms 11360 KB Output is correct
16 Correct 97 ms 11364 KB Output is correct
17 Correct 90 ms 11360 KB Output is correct
18 Correct 936 ms 99776 KB Output is correct
19 Correct 897 ms 99880 KB Output is correct
20 Correct 1161 ms 99708 KB Output is correct
21 Correct 102 ms 11364 KB Output is correct
22 Correct 80 ms 11360 KB Output is correct
23 Correct 260 ms 43200 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 95 ms 11364 KB Output is correct
3 Correct 96 ms 11364 KB Output is correct
4 Correct 1253 ms 100020 KB Output is correct
5 Correct 97 ms 11360 KB Output is correct
6 Correct 98 ms 11356 KB Output is correct
7 Correct 98 ms 11360 KB Output is correct
8 Correct 101 ms 11360 KB Output is correct
9 Correct 94 ms 11360 KB Output is correct
10 Correct 100 ms 11360 KB Output is correct
11 Correct 96 ms 11360 KB Output is correct
12 Correct 87 ms 11360 KB Output is correct
13 Correct 101 ms 11360 KB Output is correct
14 Correct 1137 ms 100052 KB Output is correct
15 Correct 134 ms 11360 KB Output is correct
16 Correct 865 ms 76424 KB Output is correct
17 Correct 902 ms 76060 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 Correct 10 ms 1928 KB Output is correct
3 Correct 11 ms 1908 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 264 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 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 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 10 ms 1908 KB Output is correct
17 Correct 100 ms 11360 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 504 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 ms 504 KB Output is correct
26 Correct 2 ms 504 KB Output is correct
27 Correct 3 ms 504 KB Output is correct
28 Correct 660 ms 88408 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 900 ms 100332 KB Output is correct
31 Correct 930 ms 100408 KB Output is correct
32 Correct 901 ms 99960 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 927 ms 100132 KB Output is correct
35 Correct 937 ms 99604 KB Output is correct
36 Correct 916 ms 99676 KB Output is correct
37 Correct 1071 ms 99820 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 86 ms 11364 KB Output is correct
40 Correct 91 ms 11356 KB Output is correct
41 Correct 89 ms 11360 KB Output is correct
42 Correct 92 ms 11360 KB Output is correct
43 Correct 83 ms 11364 KB Output is correct
44 Correct 91 ms 11364 KB Output is correct
45 Correct 83 ms 11360 KB Output is correct
46 Correct 97 ms 11316 KB Output is correct
47 Correct 86 ms 11356 KB Output is correct
48 Correct 101 ms 11360 KB Output is correct
49 Correct 97 ms 11364 KB Output is correct
50 Correct 90 ms 11360 KB Output is correct
51 Correct 936 ms 99776 KB Output is correct
52 Correct 897 ms 99880 KB Output is correct
53 Correct 1161 ms 99708 KB Output is correct
54 Correct 102 ms 11364 KB Output is correct
55 Correct 80 ms 11360 KB Output is correct
56 Correct 260 ms 43200 KB Output is correct
57 Correct 2 ms 376 KB Output is correct
58 Correct 95 ms 11364 KB Output is correct
59 Correct 96 ms 11364 KB Output is correct
60 Correct 1253 ms 100020 KB Output is correct
61 Correct 97 ms 11360 KB Output is correct
62 Correct 98 ms 11356 KB Output is correct
63 Correct 98 ms 11360 KB Output is correct
64 Correct 101 ms 11360 KB Output is correct
65 Correct 94 ms 11360 KB Output is correct
66 Correct 100 ms 11360 KB Output is correct
67 Correct 96 ms 11360 KB Output is correct
68 Correct 87 ms 11360 KB Output is correct
69 Correct 101 ms 11360 KB Output is correct
70 Correct 1137 ms 100052 KB Output is correct
71 Correct 134 ms 11360 KB Output is correct
72 Correct 865 ms 76424 KB Output is correct
73 Correct 902 ms 76060 KB Output is correct
74 Correct 2 ms 376 KB Output is correct
75 Correct 2 ms 376 KB Output is correct
76 Correct 2 ms 376 KB Output is correct
77 Correct 2 ms 376 KB Output is correct
78 Correct 2 ms 416 KB Output is correct
79 Correct 10 ms 1908 KB Output is correct
80 Correct 1241 ms 78232 KB Output is correct
81 Correct 1245 ms 77812 KB Output is correct
82 Correct 1053 ms 100320 KB Output is correct
83 Correct 1048 ms 81224 KB Output is correct
84 Correct 1094 ms 99800 KB Output is correct
85 Correct 1132 ms 80948 KB Output is correct
86 Correct 260 ms 43200 KB Output is correct
87 Correct 2 ms 376 KB Output is correct