// chrono::system_clock::now().time_since_epoch().count()
#include "park.h"
#include<bits/stdc++.h>
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define fi first
#define se second
#define all(x) (x).begin(), (x).end()
#define debug(x) cerr << #x << " = " << x << endl;
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
namespace {
int subtask_no, n;
mt19937 rnd(chrono::system_clock::now().time_since_epoch().count());
bool ask(int a, int b, vector<int> &vec) {
if (a > b) {
swap(a, b);
}
int tmp[n];
fill(tmp, tmp + n, 0);
for (int x : vec) {
tmp[x] = 1;
}
return Ask(a, b, tmp);
}
void report(int a, int b) {
if (a > b) {
swap(a, b);
}
Answer(a, b);
}
vector<int> calc(int L, int R, vector<int> S) {
vector<int> ret;
if (S.size() == 2) {
ret.pb(L);
ret.pb(R);
return ret;
}
int m = rnd() % S.size();
while (S[m] == L || S[m] == R) {
m = rnd() % S.size();
}
int M = S[m];
vector<int> A, B;
A.pb(L);
A.pb(M);
B.pb(M);
B.pb(R);
for (int x : S) {
if (x != L && x != M && x != R) {
vector<int> S2 = S;
S2.erase(find(all(S2), x));
if (ask(L, M, S2)) {
B.pb(x);
}
else {
A.pb(x);
}
}
}
A = calc(L, M, A);
B = calc(M, R, B);
for (int x : A) {
ret.pb(x);
}
ret.pop_back();
for (int x : B) {
ret.pb(x);
}
return ret;
}
void solve() {
vector<int> S;
for (int i = 0; i < n; ++i) {
S.pb(i);
}
S = calc(0, n - 1, S);
for (int i = 0; i + 1 < n; ++i) {
report(S[i], S[i + 1]);
}
}
};
void Detect(int T, int N) {
subtask_no = T;
n = N;
solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
384 KB |
Wrong Answer[2] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
112 ms |
576 KB |
Output is correct |
2 |
Correct |
95 ms |
512 KB |
Output is correct |
3 |
Correct |
97 ms |
512 KB |
Output is correct |
4 |
Correct |
103 ms |
600 KB |
Output is correct |
5 |
Correct |
132 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
377 ms |
888 KB |
Wrong Answer[5] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
323 ms |
760 KB |
Wrong Answer[5] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
873 ms |
1016 KB |
Wrong Answer[5] |
2 |
Halted |
0 ms |
0 KB |
- |