Submission #677177

# Submission time Handle Problem Language Result Execution time Memory
677177 2023-01-02T13:48:20 Z Melika0gh Strange Device (APIO19_strange_device) C++17
100 / 100
1684 ms 31120 KB
#include<bits/stdc++.h>
using namespace std;

typedef long long int ll;
typedef long double   ld;
#define sync	ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define pb		push_back
#define pii		pair<int, int>
#define mp		make_pair
#define fi		first
#define se		second

const ll inf = 2e18;

int main()
{
	int n;
	ll A, B, AB;
	cin >> n >> A >> B;
	A /= __gcd(A, (B + 1));
	if(inf / A >= B)
		AB = A * B;
	else
		AB = inf;
	
	vector<pair<ll, ll> > vec;
	bool check = false;
	for(int i = 0; i < n; i++)
	{
		ll l, r;
		cin >> l >> r;
		if(check)
		{
			continue;
		}
		if(r - l + 1 >= AB)
		{
			check = true;
			continue;
		}
		r %= AB, l %= AB;
		if(l > r)
		{
			vec.pb(mp(0, r));
			vec.pb(mp(l, AB - 1));
		}
		else
			vec.pb(mp(l, r));
	}
	
	sort(vec.begin(), vec.end());
	ll ans = 0, mx = -1;
	for(auto tmp : vec)
	{
		ll x = tmp.fi, y = tmp.se;
		if(mx < x)
			ans += y - x + 1;
		else
			ans += max(ll(0), y - mx);
		
		mx = max(mx, y);
		
	}
	
	if(check)
		ans = AB;
	
	cout << ans << '\n';
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 15 ms 692 KB Output is correct
3 Correct 13 ms 596 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 12 ms 652 KB Output is correct
17 Correct 131 ms 2504 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 2 ms 212 KB Output is correct
5 Correct 881 ms 16872 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1268 ms 16872 KB Output is correct
3 Correct 1253 ms 16848 KB Output is correct
4 Correct 1288 ms 30044 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1268 ms 16872 KB Output is correct
3 Correct 1253 ms 16848 KB Output is correct
4 Correct 1288 ms 30044 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1262 ms 29808 KB Output is correct
7 Correct 1245 ms 29960 KB Output is correct
8 Correct 1238 ms 29820 KB Output is correct
9 Correct 1324 ms 31016 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1268 ms 16872 KB Output is correct
3 Correct 1253 ms 16848 KB Output is correct
4 Correct 1288 ms 30044 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 130 ms 5668 KB Output is correct
7 Correct 128 ms 5620 KB Output is correct
8 Correct 135 ms 5688 KB Output is correct
9 Correct 127 ms 5588 KB Output is correct
10 Correct 125 ms 5576 KB Output is correct
11 Correct 125 ms 5680 KB Output is correct
12 Correct 133 ms 5600 KB Output is correct
13 Correct 129 ms 5672 KB Output is correct
14 Correct 126 ms 5636 KB Output is correct
15 Correct 128 ms 5668 KB Output is correct
16 Correct 130 ms 5676 KB Output is correct
17 Correct 127 ms 5652 KB Output is correct
18 Correct 1256 ms 30948 KB Output is correct
19 Correct 1318 ms 29800 KB Output is correct
20 Correct 1357 ms 30916 KB Output is correct
21 Correct 138 ms 5704 KB Output is correct
22 Correct 138 ms 5576 KB Output is correct
23 Correct 449 ms 18364 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 131 ms 2424 KB Output is correct
3 Correct 132 ms 5652 KB Output is correct
4 Correct 1346 ms 30856 KB Output is correct
5 Correct 136 ms 5612 KB Output is correct
6 Correct 132 ms 5592 KB Output is correct
7 Correct 136 ms 5816 KB Output is correct
8 Correct 132 ms 5688 KB Output is correct
9 Correct 129 ms 5868 KB Output is correct
10 Correct 127 ms 5644 KB Output is correct
11 Correct 129 ms 5660 KB Output is correct
12 Correct 124 ms 5608 KB Output is correct
13 Correct 128 ms 5596 KB Output is correct
14 Correct 1294 ms 31120 KB Output is correct
15 Correct 132 ms 5576 KB Output is correct
16 Correct 1253 ms 31028 KB Output is correct
17 Correct 1335 ms 30860 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 15 ms 692 KB Output is correct
3 Correct 13 ms 596 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 12 ms 652 KB Output is correct
17 Correct 131 ms 2504 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 2 ms 212 KB Output is correct
26 Correct 2 ms 212 KB Output is correct
27 Correct 2 ms 212 KB Output is correct
28 Correct 881 ms 16872 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1268 ms 16872 KB Output is correct
31 Correct 1253 ms 16848 KB Output is correct
32 Correct 1288 ms 30044 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1262 ms 29808 KB Output is correct
35 Correct 1245 ms 29960 KB Output is correct
36 Correct 1238 ms 29820 KB Output is correct
37 Correct 1324 ms 31016 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 130 ms 5668 KB Output is correct
40 Correct 128 ms 5620 KB Output is correct
41 Correct 135 ms 5688 KB Output is correct
42 Correct 127 ms 5588 KB Output is correct
43 Correct 125 ms 5576 KB Output is correct
44 Correct 125 ms 5680 KB Output is correct
45 Correct 133 ms 5600 KB Output is correct
46 Correct 129 ms 5672 KB Output is correct
47 Correct 126 ms 5636 KB Output is correct
48 Correct 128 ms 5668 KB Output is correct
49 Correct 130 ms 5676 KB Output is correct
50 Correct 127 ms 5652 KB Output is correct
51 Correct 1256 ms 30948 KB Output is correct
52 Correct 1318 ms 29800 KB Output is correct
53 Correct 1357 ms 30916 KB Output is correct
54 Correct 138 ms 5704 KB Output is correct
55 Correct 138 ms 5576 KB Output is correct
56 Correct 449 ms 18364 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 131 ms 2424 KB Output is correct
59 Correct 132 ms 5652 KB Output is correct
60 Correct 1346 ms 30856 KB Output is correct
61 Correct 136 ms 5612 KB Output is correct
62 Correct 132 ms 5592 KB Output is correct
63 Correct 136 ms 5816 KB Output is correct
64 Correct 132 ms 5688 KB Output is correct
65 Correct 129 ms 5868 KB Output is correct
66 Correct 127 ms 5644 KB Output is correct
67 Correct 129 ms 5660 KB Output is correct
68 Correct 124 ms 5608 KB Output is correct
69 Correct 128 ms 5596 KB Output is correct
70 Correct 1294 ms 31120 KB Output is correct
71 Correct 132 ms 5576 KB Output is correct
72 Correct 1253 ms 31028 KB Output is correct
73 Correct 1335 ms 30860 KB Output is correct
74 Correct 0 ms 212 KB Output is correct
75 Correct 1 ms 292 KB Output is correct
76 Correct 1 ms 212 KB Output is correct
77 Correct 1 ms 300 KB Output is correct
78 Correct 0 ms 212 KB Output is correct
79 Correct 15 ms 980 KB Output is correct
80 Correct 1684 ms 30880 KB Output is correct
81 Correct 1372 ms 30820 KB Output is correct
82 Correct 1346 ms 30796 KB Output is correct
83 Correct 1372 ms 30428 KB Output is correct
84 Correct 1285 ms 30816 KB Output is correct
85 Correct 1293 ms 30100 KB Output is correct
86 Correct 422 ms 18436 KB Output is correct
87 Correct 1 ms 212 KB Output is correct