#include <iostream>
#include <vector>
#include <bitset>
#include <array>
constexpr int MAX_K = 64;
int main()
{
std::cin.tie(0)->sync_with_stdio(0);
// O(N^2 K/w)
int N,K,Q;
std::cin >> N >> K >> Q;
std::vector<int> A(N);
for(auto& i : A) std::cin >> i;
for(auto& i : A) i--;
std::vector<int> works_max(N);
for(int x = 0; x < N; x++)
{
std::array<std::array<std::bitset<MAX_K>,MAX_K>,2> ltgt;
works_max[x] = x;
bool g = 1;
for(int y = x+1; y < N; y++,g = !g)
{
auto a = A[y];
auto p = A[y-1];
ltgt[g][a] |= ltgt[g][p];
ltgt[g][a][p] = true;
for(auto& i : ltgt[g]) if(i[a]) i |= ltgt[g][a];
bool b = 0;
for(int i = 0; i < K; i++) if((ltgt[0][i]<gt[1][i]).any() || ltgt[0][i][i] || ltgt[1][i][i]) b=1;
if(b) break;
works_max[x] = y;
}
}
for(auto i : works_max) std::cerr << i << "\n";
for (int i = 0; i < Q; i++)
{
int x,y;
std::cin >> x >> y;
x--;y--;
std::cout << (works_max[x]>=y ? "YES" : "NO") << "\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
165 ms |
3412 KB |
Output is correct |
2 |
Correct |
166 ms |
3408 KB |
Output is correct |
3 |
Correct |
192 ms |
3440 KB |
Output is correct |
4 |
Correct |
118 ms |
3232 KB |
Output is correct |
5 |
Correct |
137 ms |
3552 KB |
Output is correct |
6 |
Correct |
166 ms |
3272 KB |
Output is correct |
7 |
Correct |
161 ms |
3328 KB |
Output is correct |
8 |
Correct |
196 ms |
3412 KB |
Output is correct |
9 |
Correct |
177 ms |
3556 KB |
Output is correct |
10 |
Correct |
287 ms |
3924 KB |
Output is correct |
11 |
Correct |
404 ms |
4588 KB |
Output is correct |
12 |
Correct |
372 ms |
4328 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
143 ms |
3412 KB |
Output is correct |
2 |
Correct |
141 ms |
3408 KB |
Output is correct |
3 |
Correct |
155 ms |
11096 KB |
Output is correct |
4 |
Correct |
121 ms |
8148 KB |
Output is correct |
5 |
Correct |
136 ms |
9296 KB |
Output is correct |
6 |
Correct |
146 ms |
11092 KB |
Output is correct |
7 |
Correct |
145 ms |
10948 KB |
Output is correct |
8 |
Correct |
145 ms |
11344 KB |
Output is correct |
9 |
Correct |
151 ms |
11332 KB |
Output is correct |
10 |
Correct |
159 ms |
12152 KB |
Output is correct |
11 |
Correct |
155 ms |
11844 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
165 ms |
3412 KB |
Output is correct |
2 |
Correct |
166 ms |
3408 KB |
Output is correct |
3 |
Correct |
192 ms |
3440 KB |
Output is correct |
4 |
Correct |
118 ms |
3232 KB |
Output is correct |
5 |
Correct |
137 ms |
3552 KB |
Output is correct |
6 |
Correct |
166 ms |
3272 KB |
Output is correct |
7 |
Correct |
161 ms |
3328 KB |
Output is correct |
8 |
Correct |
196 ms |
3412 KB |
Output is correct |
9 |
Correct |
177 ms |
3556 KB |
Output is correct |
10 |
Correct |
287 ms |
3924 KB |
Output is correct |
11 |
Correct |
404 ms |
4588 KB |
Output is correct |
12 |
Correct |
372 ms |
4328 KB |
Output is correct |
13 |
Correct |
143 ms |
3412 KB |
Output is correct |
14 |
Correct |
141 ms |
3408 KB |
Output is correct |
15 |
Correct |
155 ms |
11096 KB |
Output is correct |
16 |
Correct |
121 ms |
8148 KB |
Output is correct |
17 |
Correct |
136 ms |
9296 KB |
Output is correct |
18 |
Correct |
146 ms |
11092 KB |
Output is correct |
19 |
Correct |
145 ms |
10948 KB |
Output is correct |
20 |
Correct |
145 ms |
11344 KB |
Output is correct |
21 |
Correct |
151 ms |
11332 KB |
Output is correct |
22 |
Correct |
159 ms |
12152 KB |
Output is correct |
23 |
Correct |
155 ms |
11844 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
600 KB |
Output is correct |
26 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
27 |
Halted |
0 ms |
0 KB |
- |