Submission #708301

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
708301	2023-03-11T14:05:31 Z	600Mihnea	Strange Device (APIO19_strange_device)	C++17	100 / 100	883 ms	115928 KB

strange_device

#include <cmath>
#include <functional>
#include <fstream>
#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <set>
#include <map>
#include <list>
#include <time.h>
#include <math.h>
#include <random>
#include <deque>
#include <queue>
#include <unordered_map>
#include <unordered_set>
#include <iomanip>
#include <cassert>
#include <bitset>
#include <sstream>
#include <chrono>
#include <cstring>
#include <numeric>
#include <cstdint>
#include <limits>
#include <numeric>
#include <iostream>


using namespace std;

#define int long long

pair<int, int> get(int t, int a, int b)
{
	int x = (t + t / b) % a;
	int y = t % b;
	return { x, y };
}

bool same_dumb(int t1, int t2, int a, int b)
{
	return get(t1, a, b) == get(t2, a, b);
}

int gcd(int a, int b)
{
	if (b == 0) return a;
	return gcd(b, a % b);
}

const int lim = 20;

void print(vector<int> v)
{
	cout << " ---> ";
	for (auto& x : v)
	{
		cout << x << " ";
	}
	cout << "\n";
}

void solve()
{ 
	int n, mod;
	cin >> n;
	{
		int a, b;
		cin >> a >> b;
		a /= gcd(a, b + 1);	
		if (a <= ((int)1e18 + 7) / b)
		{
			a *= b;
			mod = a;
		}
		else
		{
			mod = ((int)1e18 + 7);
		}
	}
	map<int, int> mars;
	auto add = [&](int l, int r)
	{
		if (l > r) return;

		mars[l]++;
		mars[r + 1]--;
	};
	vector<pair<int, int>> segs(n);
	for (auto& it : segs)
	{
		cin >> it.first >> it.second;
		if (it.second - it.first + 1 >= mod)
		{
			cout << mod << "\n";
			exit(0);
		}
		int l = it.first % mod, r = it.second % mod;
		if (l <= r)
		{
			add(l, r);
		}
		else
		{
			add(l, mod - 1);
			add(0, r);
		}
	}
	int sol = 0, cur = 0, last;
	for (auto& it : mars)
	{
		if (cur)
		{
			sol += it.first - last;
		}
		last = it.first;
		cur += it.second;
	}
	cout <<sol << "\n";
	exit(0);
}

signed main()
{
#ifdef ONPC	
	FILE* stream;
	freopen_s(&stream, "input.txt", "r", stdin);
#else
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#endif

	solve();
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	6 ms	1108 KB	Output is correct
3	Correct	5 ms	1108 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 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	1 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	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	5 ms	1108 KB	Output is correct
17	Correct	62 ms	8084 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 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

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	261 ms	16764 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	604 ms	78588 KB	Output is correct
3	Correct	633 ms	80328 KB	Output is correct
4	Correct	769 ms	93096 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	604 ms	78588 KB	Output is correct
3	Correct	633 ms	80328 KB	Output is correct
4	Correct	769 ms	93096 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	709 ms	93196 KB	Output is correct
7	Correct	705 ms	93188 KB	Output is correct
8	Correct	648 ms	93088 KB	Output is correct
9	Correct	744 ms	93204 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	604 ms	78588 KB	Output is correct
3	Correct	633 ms	80328 KB	Output is correct
4	Correct	769 ms	93096 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	62 ms	11792 KB	Output is correct
7	Correct	61 ms	11824 KB	Output is correct
8	Correct	58 ms	11852 KB	Output is correct
9	Correct	63 ms	11852 KB	Output is correct
10	Correct	59 ms	11808 KB	Output is correct
11	Correct	55 ms	11860 KB	Output is correct
12	Correct	56 ms	11864 KB	Output is correct
13	Correct	63 ms	11908 KB	Output is correct
14	Correct	56 ms	11764 KB	Output is correct
15	Correct	70 ms	11980 KB	Output is correct
16	Correct	67 ms	11844 KB	Output is correct
17	Correct	60 ms	11756 KB	Output is correct
18	Correct	616 ms	93232 KB	Output is correct
19	Correct	660 ms	93172 KB	Output is correct
20	Correct	684 ms	93132 KB	Output is correct
21	Correct	70 ms	11784 KB	Output is correct
22	Correct	58 ms	11788 KB	Output is correct
23	Correct	118 ms	15180 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	68 ms	11860 KB	Output is correct
3	Correct	66 ms	11832 KB	Output is correct
4	Correct	643 ms	80340 KB	Output is correct
5	Correct	65 ms	11864 KB	Output is correct
6	Correct	67 ms	11764 KB	Output is correct
7	Correct	66 ms	11832 KB	Output is correct
8	Correct	64 ms	11760 KB	Output is correct
9	Correct	69 ms	11832 KB	Output is correct
10	Correct	62 ms	11772 KB	Output is correct
11	Correct	64 ms	11836 KB	Output is correct
12	Correct	61 ms	11740 KB	Output is correct
13	Correct	65 ms	11860 KB	Output is correct
14	Correct	738 ms	80320 KB	Output is correct
15	Correct	59 ms	11804 KB	Output is correct
16	Correct	634 ms	93280 KB	Output is correct
17	Correct	619 ms	93224 KB	Output is correct
18	Correct	1 ms	324 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	6 ms	1108 KB	Output is correct
3	Correct	5 ms	1108 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 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	1 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	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	5 ms	1108 KB	Output is correct
17	Correct	62 ms	8084 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 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	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	261 ms	16764 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	604 ms	78588 KB	Output is correct
31	Correct	633 ms	80328 KB	Output is correct
32	Correct	769 ms	93096 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	709 ms	93196 KB	Output is correct
35	Correct	705 ms	93188 KB	Output is correct
36	Correct	648 ms	93088 KB	Output is correct
37	Correct	744 ms	93204 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	62 ms	11792 KB	Output is correct
40	Correct	61 ms	11824 KB	Output is correct
41	Correct	58 ms	11852 KB	Output is correct
42	Correct	63 ms	11852 KB	Output is correct
43	Correct	59 ms	11808 KB	Output is correct
44	Correct	55 ms	11860 KB	Output is correct
45	Correct	56 ms	11864 KB	Output is correct
46	Correct	63 ms	11908 KB	Output is correct
47	Correct	56 ms	11764 KB	Output is correct
48	Correct	70 ms	11980 KB	Output is correct
49	Correct	67 ms	11844 KB	Output is correct
50	Correct	60 ms	11756 KB	Output is correct
51	Correct	616 ms	93232 KB	Output is correct
52	Correct	660 ms	93172 KB	Output is correct
53	Correct	684 ms	93132 KB	Output is correct
54	Correct	70 ms	11784 KB	Output is correct
55	Correct	58 ms	11788 KB	Output is correct
56	Correct	118 ms	15180 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	68 ms	11860 KB	Output is correct
59	Correct	66 ms	11832 KB	Output is correct
60	Correct	643 ms	80340 KB	Output is correct
61	Correct	65 ms	11864 KB	Output is correct
62	Correct	67 ms	11764 KB	Output is correct
63	Correct	66 ms	11832 KB	Output is correct
64	Correct	64 ms	11760 KB	Output is correct
65	Correct	69 ms	11832 KB	Output is correct
66	Correct	62 ms	11772 KB	Output is correct
67	Correct	64 ms	11836 KB	Output is correct
68	Correct	61 ms	11740 KB	Output is correct
69	Correct	65 ms	11860 KB	Output is correct
70	Correct	738 ms	80320 KB	Output is correct
71	Correct	59 ms	11804 KB	Output is correct
72	Correct	634 ms	93280 KB	Output is correct
73	Correct	619 ms	93224 KB	Output is correct
74	Correct	1 ms	324 KB	Output is correct
75	Correct	1 ms	320 KB	Output is correct
76	Correct	1 ms	212 KB	Output is correct
77	Correct	1 ms	212 KB	Output is correct
78	Correct	1 ms	212 KB	Output is correct
79	Correct	7 ms	1480 KB	Output is correct
80	Correct	747 ms	115896 KB	Output is correct
81	Correct	749 ms	115816 KB	Output is correct
82	Correct	812 ms	115732 KB	Output is correct
83	Correct	860 ms	115796 KB	Output is correct
84	Correct	883 ms	115680 KB	Output is correct
85	Correct	740 ms	115928 KB	Output is correct
86	Correct	119 ms	18164 KB	Output is correct
87	Correct	0 ms	212 KB	Output is correct

Submission #708301

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