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Submission #677225

# Submission time Handle Problem Language Result Execution time Memory
677225 2023-01-02T15:16:20 Z ajab_01 Strange Device (APIO19_strange_device) C++17
15 / 100
 316 ms 32268 KB 
#include<bits/stdc++.h>
using namespace std;
 
const int N = 1e6 + 6;
long long l[N] , r[N] , fir , las , a , b , sum = 0;
int n;
 
int main(){
	ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
	cin >> n >> a >> b;
	if(n == 1){
		cin >> fir >> las;
		cout << ((las - fir + 1) / b >= a ? a * b : las - fir + 1) << '\n';
		return 0;
	}

	for(int i = 0 ; i < n ; i++){
		cin >> l[i] >> r[i];
		sum += r[i] - l[i] + 1;
	}
 
	if(sum < N){
		map<pair<long long , long long> , int> mp;
		for(int i = 0 ; i < n ; i++)
			for(long long j = l[i] ; j <= r[i] ; j++)
				mp[{(j + j / b) % a , j % b}]++;
		cout << (int)mp.size() << '\n';
		return 0;
	}
 
	cout << 0 << '\n';

	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 44 ms 12860 KB Output is correct
3 Correct 62 ms 18380 KB Output is correct
4 Correct 2 ms 852 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 2 ms 468 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 7 ms 1108 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 34 ms 6988 KB Output is correct
16 Correct 24 ms 7244 KB Output is correct
17 Correct 58 ms 8896 KB Output is correct
18 Correct 0 ms 324 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 324 KB Output is correct
2 Correct 121 ms 32268 KB Output is correct
3 Correct 156 ms 32124 KB Output is correct
4 Correct 106 ms 30652 KB Output is correct
5 Incorrect 227 ms 15920 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 316 ms 16072 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 316 ms 16072 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 316 ms 16072 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 31 ms 2584 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 44 ms 12860 KB Output is correct
3 Correct 62 ms 18380 KB Output is correct
4 Correct 2 ms 852 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 2 ms 468 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 7 ms 1108 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 34 ms 6988 KB Output is correct
16 Correct 24 ms 7244 KB Output is correct
17 Correct 58 ms 8896 KB Output is correct
18 Correct 0 ms 324 KB Output is correct
19 Correct 1 ms 328 KB Output is correct
20 Correct 1 ms 324 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 328 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 324 KB Output is correct
25 Correct 121 ms 32268 KB Output is correct
26 Correct 156 ms 32124 KB Output is correct
27 Correct 106 ms 30652 KB Output is correct
28 Incorrect 227 ms 15920 KB Output isn't correct
29 Halted 0 ms 0 KB -