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Submission #839541

# Submission time Handle Problem Language Result Execution time Memory
839541 2023-08-30T08:58:39 Z model_code Choreography (IOI23_choreography) C++17
100 / 100
 101 ms 6296 KB 
// model_solution/solution.cpp

#include "choreography.h"
#include <vector>

int x0 = 0, x1 = 0, i0 = 0, i1 = 0, n;
bool s = false;
std::vector<int> p, inv;

void init(int N, std::vector<int> P){
	n = N;
	p = P;
	inv.resize(N);
	for(int i = 0; i < N; i++){
		inv[P[i]] = i;
	}
}

void move_right(int K){
	x0 += + K;
    x1 += + K;
	if(x0 >= n) x0 -= n;
	if(x1 >= n) x1 -= n;
}

void move_left(int K){
	move_right(n - K);
}

void swap_places(){
	x0 += x0&1 ? -1 : 1;
    x1 += x1&1 ? 1 : -1;
    if(x1 < 0) x1 += n;
    if(x1 >= n) x1 -= n; 
}

void move_around(){
	s = !s;
	std::swap(x0, i0);
	std::swap(x1, i1);
}

int get_position(int D){
	int i = (D-i0)%2 == 0 ? D - i0 : D - i1;
	if(i < 0) i += n;
	int x = s ? p[i] : inv[i];
	int ans = x&1 ? x + x1 : x + x0; 
	return ans < n ? ans : ans - n;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 6164 KB Output is correct
2 Correct 101 ms 6208 KB Output is correct
3 Correct 91 ms 6228 KB Output is correct
4 Correct 72 ms 6260 KB Output is correct
5 Correct 44 ms 4420 KB Output is correct
6 Correct 42 ms 4472 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 4 ms 724 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 3 ms 752 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 6248 KB Output is correct
2 Correct 59 ms 6216 KB Output is correct
3 Correct 63 ms 6172 KB Output is correct
4 Correct 35 ms 4420 KB Output is correct
5 Correct 34 ms 4420 KB Output is correct
6 Correct 38 ms 4492 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 6248 KB Output is correct
2 Correct 59 ms 6216 KB Output is correct
3 Correct 63 ms 6172 KB Output is correct
4 Correct 35 ms 4420 KB Output is correct
5 Correct 34 ms 4420 KB Output is correct
6 Correct 38 ms 4492 KB Output is correct
7 Correct 58 ms 6296 KB Output is correct
8 Correct 66 ms 6212 KB Output is correct
9 Correct 64 ms 6220 KB Output is correct
10 Correct 39 ms 4460 KB Output is correct
11 Correct 53 ms 4356 KB Output is correct
12 Correct 54 ms 4480 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 6164 KB Output is correct
2 Correct 101 ms 6208 KB Output is correct
3 Correct 91 ms 6228 KB Output is correct
4 Correct 72 ms 6260 KB Output is correct
5 Correct 44 ms 4420 KB Output is correct
6 Correct 42 ms 4472 KB Output is correct
7 Correct 58 ms 6248 KB Output is correct
8 Correct 59 ms 6216 KB Output is correct
9 Correct 63 ms 6172 KB Output is correct
10 Correct 35 ms 4420 KB Output is correct
11 Correct 34 ms 4420 KB Output is correct
12 Correct 38 ms 4492 KB Output is correct
13 Correct 65 ms 6220 KB Output is correct
14 Correct 66 ms 6216 KB Output is correct
15 Correct 81 ms 6192 KB Output is correct
16 Correct 53 ms 4416 KB Output is correct
17 Correct 45 ms 4420 KB Output is correct
18 Correct 45 ms 4420 KB Output is correct

Subtask #6
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 6164 KB Output is correct
2 Correct 101 ms 6208 KB Output is correct
3 Correct 91 ms 6228 KB Output is correct
4 Correct 72 ms 6260 KB Output is correct
5 Correct 44 ms 4420 KB Output is correct
6 Correct 42 ms 4472 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 256 KB Output is correct
10 Correct 4 ms 724 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 3 ms 752 KB Output is correct
13 Correct 58 ms 6248 KB Output is correct
14 Correct 59 ms 6216 KB Output is correct
15 Correct 63 ms 6172 KB Output is correct
16 Correct 35 ms 4420 KB Output is correct
17 Correct 34 ms 4420 KB Output is correct
18 Correct 38 ms 4492 KB Output is correct
19 Correct 58 ms 6296 KB Output is correct
20 Correct 66 ms 6212 KB Output is correct
21 Correct 64 ms 6220 KB Output is correct
22 Correct 39 ms 4460 KB Output is correct
23 Correct 53 ms 4356 KB Output is correct
24 Correct 54 ms 4480 KB Output is correct
25 Correct 65 ms 6220 KB Output is correct
26 Correct 66 ms 6216 KB Output is correct
27 Correct 81 ms 6192 KB Output is correct
28 Correct 53 ms 4416 KB Output is correct
29 Correct 45 ms 4420 KB Output is correct
30 Correct 45 ms 4420 KB Output is correct
31 Correct 63 ms 6204 KB Output is correct
32 Correct 67 ms 6184 KB Output is correct
33 Correct 79 ms 6196 KB Output is correct
34 Correct 51 ms 4392 KB Output is correct
35 Correct 40 ms 4420 KB Output is correct
36 Correct 40 ms 4548 KB Output is correct