#include <bits/stdc++.h>
#define ff first
#define ss second
#define all(x) x.begin(), x.end()
#include "xylophone.h"
typedef long long ll;
using namespace std;
static int A[5000];
/*int query(int i, int j) {
cout << i << " " << j << endl;
int x;
cin >> x;
return x;
}
void answer(int i, int x) {
A[i] = x;
}*/
void solve(int N) {
/*int value = query(1, N);
for(int i = 1; i <= N; i++) {
answer(i, i);
}*/
vector<int> a(N + 1);
//u(N + 1);
int l = 1, r = N + 1;
while (r - l > 1) {
int m = (l + r) / 2;
int get = query(m, N);
if (get != N - 1) r = m;
else l = m;
}
answer(l, 1);
a[l] = 1;
if (l != N) {
a[l + 1] = 1 + query(l, l + 1);
answer(l + 1, a[l + 1]);
}
for (int i = l + 2; i <= N; i++) {
int x = query(i - 2, i);
if (x == abs(a[i - 1] - a[i - 2])) {
int y = query(i - 1, i);
if (a[i - 1] < a[i - 2]) a[i] = a[i - 1] + y;
else a[i] = a[i - 1] - y;
}
else if (a[i - 1] < a[i - 2]) a[i] = a[i - 1] + x;
else a[i] = a[i - 2] + x;
answer(i, a[i]);
}
if (l != 1) {
a[l - 1] = 1 + query(l - 1, l);
answer(l - 1, a[l - 1]);
}
for (int i = l - 2; i >= 1; i--) {
int x = query(i, i + 2);
if (x == abs(a[i + 1] - a[i + 2])) {
int y = query(i, i + 1);
if (a[i + 1] < a[i + 2]) a[i] = a[i + 1] + y;
else a[i] = a[i + 1] - y;
}
else if (a[i + 1] < a[i + 2]) a[i] = a[i + 1] + x;
else a[i] = a[i + 2] + x;
answer(i, a[i]);
}
/*for (auto x : a) cout << x << " ";
cout << endl;*/
}
Compilation message
xylophone.cpp:9:12: warning: 'A' defined but not used [-Wunused-variable]
9 | static int A[5000];
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Incorrect |
0 ms |
344 KB |
Wrong Answer [4] |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Incorrect |
0 ms |
344 KB |
Wrong Answer [4] |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Incorrect |
0 ms |
344 KB |
Wrong Answer [4] |
4 |
Halted |
0 ms |
0 KB |
- |