oj.uz

Submission #372473

# Submission time Handle Problem Language Result Execution time Memory
372473 2021-02-28T09:43:42 Z peijar Strange Device (APIO19_strange_device) C++17
65 / 100
 578 ms 19816 KB 
#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);
	__int128 mod = (__int128(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 5 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 66 ms 4200 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 492 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 341 ms 16976 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 461 ms 19816 KB Output is correct
3 Correct 453 ms 17044 KB Output is correct
4 Correct 455 ms 16976 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 461 ms 19816 KB Output is correct
3 Correct 453 ms 17044 KB Output is correct
4 Correct 455 ms 16976 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 457 ms 16976 KB Output is correct
7 Correct 456 ms 17008 KB Output is correct
8 Correct 472 ms 16976 KB Output is correct
9 Correct 499 ms 17260 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 461 ms 19816 KB Output is correct
3 Correct 453 ms 17044 KB Output is correct
4 Correct 455 ms 16976 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 45 ms 3564 KB Output is correct
7 Correct 54 ms 3432 KB Output is correct
8 Correct 46 ms 3304 KB Output is correct
9 Correct 47 ms 3176 KB Output is correct
10 Correct 44 ms 3176 KB Output is correct
11 Correct 46 ms 3176 KB Output is correct
12 Correct 45 ms 3232 KB Output is correct
13 Correct 49 ms 3304 KB Output is correct
14 Correct 44 ms 3048 KB Output is correct
15 Correct 49 ms 3048 KB Output is correct
16 Correct 49 ms 3048 KB Output is correct
17 Correct 46 ms 2792 KB Output is correct
18 Correct 452 ms 16992 KB Output is correct
19 Correct 447 ms 16976 KB Output is correct
20 Correct 578 ms 17000 KB Output is correct
21 Correct 49 ms 2792 KB Output is correct
22 Correct 44 ms 2792 KB Output is correct
23 Correct 141 ms 8796 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 48 ms 2536 KB Output is correct
3 Correct 49 ms 2792 KB Output is correct
4 Correct 536 ms 16976 KB Output is correct
5 Correct 49 ms 2792 KB Output is correct
6 Correct 49 ms 2792 KB Output is correct
7 Correct 48 ms 2792 KB Output is correct
8 Correct 50 ms 2792 KB Output is correct
9 Correct 52 ms 2792 KB Output is correct
10 Correct 50 ms 2792 KB Output is correct
11 Correct 48 ms 2792 KB Output is correct
12 Correct 47 ms 2920 KB Output is correct
13 Correct 48 ms 2792 KB Output is correct
14 Correct 494 ms 16976 KB Output is correct
15 Correct 47 ms 2792 KB Output is correct
16 Correct 453 ms 16992 KB Output is correct
17 Correct 451 ms 16976 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 5 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 66 ms 4200 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Incorrect 1 ms 364 KB Output isn't correct
21 Halted 0 ms 0 KB -