#include <bits/stdc++.h>
using namespace std;
int Query(const vector<int>& M);
void Answer(const vector<int>& res);
void Solve (int N) {
vector<int> ans (N);
ans[N-1] = [&] {
vector<int> q (N);
for (int i = 0; i < N; i++) q[i] = 1;
for (int i = 0; i < N-1; i++) {
q[i] = 0;
if (Query(q) == 1) return i+1;
q[i] = 1;
}
return N;
}();
vector<int> hv;
vector<bool> used (N+1);
for (int i = 1; i <= N; i++) hv.push_back(i);
for (int i = 0; i < N-2; i++) {
int l = 0, r = hv.size();
while (l+1 < r) {
int mid = (l+r)/2;
vector<int> q (N);
for (int j = 0; j < mid; j++) q[hv[j]-1] = 1;
int res = Query(q);
for (int j = 0; j < N; j++) q[j] = 0;
for (int j = mid; j < r; j++) q[hv[j]-1] = 1;
int res2 = Query(q);
if (res > res2) r = mid;
else if (res < res2) l = mid;
else {
bool left = false;
for (int j = 0; j < mid; j++) if (hv[j] == ans[N-1]) left = true;
if (left) l = mid;
else r = mid;
}
}
ans[i] = hv[l];
used[ans[i]] = true;
swap(hv[l], hv.back());
hv.pop_back();
}
for (int i = 1; i <= N; i++) if (!used[i]) ans[N-2] = i;
Answer(ans);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
15 ms |
436 KB |
Wrong Answer [6] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
15 ms |
436 KB |
Wrong Answer [6] |
2 |
Halted |
0 ms |
0 KB |
- |