#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int kth(int i);
int cnt(int x);
void say_answer(int a);
int v[1001];
void solve(int N){
if(N <= 50){
for(int i = 1; i <= N; i++){
v[i] = kth(i);
}
map<int, int> M;
for(int i = 1; i <= N; i++){
M[v[i]]++;
}
for(auto i : M){
if(i.second * 3 > N){
say_answer(i.first);
return;
}
}
say_answer(-1);
}else{
for(int j = 0; j < 30; j++){
int val = kth(rng() % N + 1);
if(cnt(val) * 3 > N){
say_answer(val);
return;
}
}
say_answer(-1);
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
46 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
208 KB |
Output is correct |
2 |
Correct |
8 ms |
220 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
208 KB |
Output is correct |
2 |
Correct |
24 ms |
208 KB |
Output is correct |
3 |
Correct |
7 ms |
208 KB |
Output is correct |
4 |
Correct |
6 ms |
208 KB |
Output is correct |
5 |
Correct |
21 ms |
300 KB |
Output is correct |
6 |
Correct |
21 ms |
208 KB |
Output is correct |
7 |
Correct |
20 ms |
208 KB |
Output is correct |
8 |
Correct |
23 ms |
208 KB |
Output is correct |
9 |
Correct |
18 ms |
296 KB |
Output is correct |
10 |
Correct |
22 ms |
208 KB |
Output is correct |
11 |
Correct |
21 ms |
208 KB |
Output is correct |
12 |
Correct |
17 ms |
208 KB |
Output is correct |
13 |
Correct |
13 ms |
208 KB |
Output is correct |
14 |
Correct |
22 ms |
208 KB |
Output is correct |