Submission #372472

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
372472	2021-02-28T09:42:40 Z	peijar	Strange Device (APIO19_strange_device)	C++17	65 / 100	567 ms	53552 KB

strange_device

#include <bits/stdc++.h>
#define SZ(v) ((int)(v).size())
using namespace std;

using ll = long long;

template<typename... Args>
void read(Args&... args)
{
	((cin >> args), ...);
}
template<typename T>
void read(vector<T> &vec)
{
	for (auto &v : vec) read(v);
}

void write() {}
template<typename H, typename... T>
void write(const H &h, const T&... t)
{
	cout << h;
	if (sizeof...(t)) {cout << ' '; write(t...);}
}

template<typename T>
void write(const vector<T> &vec)
{
	if (SZ(vec) == 0) return;
	write(vec[0]);
	for (int i(1); i < SZ(vec); ++i)
	{cout << ' '; write(vec[i]);}
}

template<typename... Args>
void writeln(Args... args)
{
	write(args...); cout << '\n';
}

int main(void)
{
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);

	int n;
	ll A, B;
	read(n, A, B);
	ll mod = (A  * B) / gcd(A, B+1);

	vector<pair<ll, ll>> intervals;
	for (int i(0); i < n; ++i)
	{
		ll l, r;
		read(l, r);
		l %= mod, r %= mod;
		if (l > r)
		{
			intervals.emplace_back(l, mod-1);
			intervals.emplace_back(0, r);
		}
		else
			intervals.emplace_back(l, r);
	}
	sort(intervals.begin(), intervals.end());
	ll lst(-1);
	ll sol(0);
	for (auto [l, r] : intervals)
	{
		sol += max(0LL, r - max(l, lst+1) + 1);
		lst = max(lst, r);
	}
	writeln(sol);
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	6 ms	1132 KB	Output is correct
3	Correct	7 ms	1132 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	5 ms	1132 KB	Output is correct
17	Correct	57 ms	5820 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct

Subtask #2
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Incorrect	1 ms	364 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	382 ms	41316 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	486 ms	19024 KB	Output is correct
3	Correct	484 ms	53552 KB	Output is correct
4	Correct	481 ms	53400 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	486 ms	19024 KB	Output is correct
3	Correct	484 ms	53552 KB	Output is correct
4	Correct	481 ms	53400 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	493 ms	53500 KB	Output is correct
7	Correct	512 ms	53304 KB	Output is correct
8	Correct	477 ms	53308 KB	Output is correct
9	Correct	560 ms	53388 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	486 ms	19024 KB	Output is correct
3	Correct	484 ms	53552 KB	Output is correct
4	Correct	481 ms	53400 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	48 ms	5732 KB	Output is correct
7	Correct	49 ms	5732 KB	Output is correct
8	Correct	55 ms	5860 KB	Output is correct
9	Correct	46 ms	5732 KB	Output is correct
10	Correct	55 ms	5732 KB	Output is correct
11	Correct	49 ms	5732 KB	Output is correct
12	Correct	57 ms	5860 KB	Output is correct
13	Correct	67 ms	5732 KB	Output is correct
14	Correct	48 ms	5732 KB	Output is correct
15	Correct	51 ms	5736 KB	Output is correct
16	Correct	69 ms	5724 KB	Output is correct
17	Correct	48 ms	5772 KB	Output is correct
18	Correct	489 ms	53308 KB	Output is correct
19	Correct	468 ms	53340 KB	Output is correct
20	Correct	515 ms	53420 KB	Output is correct
21	Correct	52 ms	5756 KB	Output is correct
22	Correct	45 ms	5732 KB	Output is correct
23	Correct	154 ms	18524 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	51 ms	5116 KB	Output is correct
3	Correct	48 ms	5732 KB	Output is correct
4	Correct	567 ms	53316 KB	Output is correct
5	Correct	49 ms	5764 KB	Output is correct
6	Correct	61 ms	5732 KB	Output is correct
7	Correct	54 ms	5732 KB	Output is correct
8	Correct	50 ms	5720 KB	Output is correct
9	Correct	48 ms	5860 KB	Output is correct
10	Correct	53 ms	5756 KB	Output is correct
11	Correct	49 ms	5808 KB	Output is correct
12	Correct	43 ms	5792 KB	Output is correct
13	Correct	56 ms	5732 KB	Output is correct
14	Correct	534 ms	53364 KB	Output is correct
15	Correct	53 ms	5732 KB	Output is correct
16	Correct	471 ms	53284 KB	Output is correct
17	Correct	458 ms	53320 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct

Subtask #8
0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	6 ms	1132 KB	Output is correct
3	Correct	7 ms	1132 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	5 ms	1132 KB	Output is correct
17	Correct	57 ms	5820 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Incorrect	1 ms	364 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Submission #372472

Compilation message