#include<bits/allocator.h>
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,fma,bmi,bmi2,popcnt,lzcnt")
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long
#define int128 __int128_t
#define double long double
#define gcd __gcd
#define lcm(a, b) ((a)/gcd(a, b)*(b))
#define sqrt sqrtl
#define log2 log2l
#define log10 log10l
#define floor floorl
#define to_string str
#define yes cout << "YES"
#define no cout << "NO"
#define trav(i, a) for (auto &i: (a))
#define all(a) (a).begin(), (a).end()
#define rall(a) (a).rbegin(), (a).rend()
#define sz(a) (int)a.size()
#define Max(a) *max_element(all(a))
#define Min(a) *min_element(all(a))
#define Find(a, n) (find(all(a), n) - a.begin())
#define Count(a, n) count(all(a), n)
#define Upper(a, n) (upper_bound(all(a), n) - a.begin())
#define Lower(a, n) (lower_bound(all(a), n) - a.begin())
#define next_perm(a) next_permutation(all(a))
#define prev_perm(a) prev_permutation(all(a))
#define sorted(a) is_sorted(all(a))
#define sum(a) accumulate(all(a), 0)
#define sumll(a) accumulate(all(a), 0ll)
#define Sort(a) sort(all(a))
#define Reverse(a) reverse(all(a))
#define Unique(a) Sort(a), (a).resize(unique(all(a)) - a.begin())
#define pb push_back
#define eb emplace_back
#define popcount __builtin_popcount
#define popcountll __builtin_popcountll
#define clz __builtin_clz
#define clzll __builtin_clzll
#define ctz __builtin_ctz
#define ctzll __builtin_ctzll
#define open(s) freopen(s, "r", stdin)
#define write(s) freopen(s, "w", stdout)
#define fileopen(s) open((string(s) + ".inp").c_str()), write((string(s) + ".out").c_str());
#define For(i, a, b) for (auto i = (a); i < (b); i++)
#define Fore(i, a, b) for (auto i = (a); i >= (b); i--)
#define FOR(i, a, b) for (auto i = (a); i <= (b); i++)
#define ret(s) return void(cout << s);
const int mod = 1e9 + 7, mod2 = 998244353;
const double PI = acos(-1), eps = 1e-9;
const ull npos = string::npos;
const int dx[] = {0, 0, -1, 1}, dy[] = {-1, 1, 0, 0};
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using cd = complex<double>;
mt19937 mt(chrono::system_clock::now().time_since_epoch().count());
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef vector<double> vdo;
typedef vector<vdo> vvdo;
typedef vector<string> vs;
typedef vector<pii> vpair;
typedef vector<vpair> vvpair;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vector<char> vc;
typedef vector<vc> vvc;
typedef vector<cd> vcd;
typedef priority_queue<int> pq;
typedef priority_queue<int, vi, greater<int>> pqg;
typedef priority_queue<ll> pqll;
typedef priority_queue<ll, vll, greater<ll>> pqgll;
ll add(ll a, ll b, int m) {if (a >= m) a%=m;if (b >= m) b%=m;a+=b;return a >= m ? a - m: a;}
ll sub(ll a, ll b, int m) {if (a >= m) a%=m;if (b >= m) b%=m;a-=b;return a < 0 ? a + m: a;}
ll mul(ll a, ll b, int m) {if (a >= m) a%=m;if (b >= m) b%=m;return a*b % m;}
ll bin_mul(ll a, ll b, ll m) {if (a >= m) a%=m;if (b >= m) b%=m;ll x = 0;while (b) {if (b & 1) x = (x + a) % m;a = (a + a) % m;b>>=1;}return x;}
ll power(ll a, ll b, int m) {ll x = 1;if (a >= m) a%=m; while (b) {if (b & 1) x = x*a % m;a = a*a % m;b>>=1;}return x;}
ll power(ll a, ll b) {ll x = 1;while (b) {if (b & 1) x = x*a;a = a*a;b>>=1;}return x;}
ll ceil(ll a, ll b) {return (a + b - 1)/b;}
ll to_int(const string &s) {ll x = 0; for (int i = (s[0] == '-'); i < sz(s); i++) x = x*10 + s[i] - '0';return x*(s[0] == '-' ? -1: 1);}
bool is_prime(ll n) {if (n < 2) return 0;if (n < 4) return 1;if (n % 2 == 0 || n % 3 == 0) return 0;for (ll i = 5; i*i <= n; i+=6) {if(n % i == 0 || n % (i + 2) == 0) return 0;}return 1;}
bool is_square(ll n) {ll k = sqrt(n); return k*k == n;}
ll factorial(int n) {ll x = 1;for (int i = 2; i <= n; i++) x*=i;return x;}
ll factorial(int n, int m) {ll x = 1;for (ll i = 2; i <= n; i++) x = x*i % m;return x;}
bool is_power(ll n, ll k) {while (n % k == 0) n/=k;return n == 1ll;}
string str(ll n) {if (n == 0) return "0"; string s = ""; bool c = 0; if (n < 0) c = 1, n = -n; while (n) {s+=n % 10 + '0'; n/=10;} if (c) s+='-'; Reverse(s); return s;}
string repeat(const string &s, int n) {if (n < 0) return ""; string x = ""; while (n--) x+=s; return x;}
string bin(ll n) {string s = ""; while (n) {s+=(n & 1) + '0'; n>>=1;} Reverse(s); return s;}
void sieve(vector<bool> &a) {int n = a.size(); a[0] = a[1] = 0; for (int i = 4; i < n; i+=2) a[i] = 0; for (int i = 3; i*i < n; i+=2) {if (a[i]) {for (int j = i*i; j < n; j+=(i << 1)) a[j] = 0;}}}
void sieve(bool a[], int n) {a[0] = a[1] = 0; for (int i = 4; i < n; i+=2) a[i] = 0; for (int i = 3; i*i < n; i+=2) {if (a[i]) {for (int j = i*i; j < n; j+=(i << 1)) a[j] = 0;}}}
void sieve(vector<int> &a) {int n = a.size(); for (int i = 2; i < n; i+=2) a[i] = 2; for (int i = 3; i*i < n; i+=2) {if (!a[i]) {for (int j = i; j < n; j+=(i << 1)) a[j] = i;}} for (int i = 3; i < n; i+=2) {if (!a[i]) a[i] = i;}}
void sieve(int a[], int n) {for (int i = 2; i < n; i+=2) a[i] = 2; for (int i = 3; i*i < n; i+=2) {if (!a[i]) {for (int j = i; j < n; j+=(i << 1)) a[j] = i;}} for (int i = 3; i < n; i+=2) {if (!a[i]) a[i] = i;}}
vector<pii> factorize(int n) {vector<pii> a; for (int i = 2; i*i <= n; i++) {if (n % i == 0) {int k = 0; while (n % i == 0) k++, n/=i; a.emplace_back(i, k);}} if (n > 1) a.emplace_back(n, 1); return a;}
int rand(int l, int r) {return uniform_int_distribution<int>(l, r)(mt);}
int Log2(int n) {return 31 - __builtin_clz(n);}
template<class T> void compress(vector<T> &a) {vector<T> b; for (T &i: a) b.push_back(i); sort(all(b)); b.resize(unique(all(b)) - b.begin()); for (T &i: a) i = lower_bound(all(b), i) - b.begin() + 1;}
template<class A, class B> istream& operator>>(istream& in, pair<A, B> &p) {in >> p.first >> p.second; return in;}
template<class A, class B> ostream& operator<<(ostream& out, const pair<A, B> &p) {out << p.first << ' ' << p.second; return out;}
template<class T> istream& operator>>(istream& in, vector<T> &a) {for (auto &i: a) in >> i; return in;}
template<class T> ostream& operator<<(ostream& out, const vector<T> &a) {for (auto &i: a) out << i << ' '; return out;}
template<class T> istream& operator>>(istream& in, vector<vector<T>> &a) {for (auto &i: a) in >> i; return in;}
template<class T> ostream& operator<<(ostream& out, const vector<vector<T>> &a) {for (auto &i: a) out << i << '\n'; return out;}
template<class T> istream& operator>>(istream& in, deque<T> &a) {for (auto &i: a) in >> i; return in;}
template<class T> ostream& operator<<(ostream& out, const deque<T> &a) {for (auto &i: a) out << i << ' '; return out;}
// istream& operator>>(istream& in, __int128_t &a) {string s; in >> s; a = 0; for (auto &i: s) a = a*10 + (i - '0'); return in;}
// ostream& operator<<(ostream& out, __int128_t a) {string s = ""; while (a > 0) {s+=(int)a % 10 + '0'; a/=10;} Reverse(s); out << s; return out;}
#include "xylophone.h"
void solve(int n) {
vi a(n + 1);
int l = 1, r = n, pn = -1, p1 = -1;
while (l <= r) {
int m = (l + r) >> 1;
if (query(1, m) == n - 1) pn = m, r = m - 1;
else l = m + 1;
}
l = 1, r = pn - 1;
while (l <= r) {
int m = (l + r) >> 1;
if (query(m, pn) == n - 1) p1 = m, l = m + 1;
else r = m - 1;
}
a[p1] = 1; a[pn] = n;
vi v;
vb c(n + 1);
c[1] = c[n] = 1;
For(i,1,p1) v.pb(1);
For(i,p1+1,pn) v.pb(2);
FOR(i,pn+1,n) v.pb(3);
shuffle(all(v), mt);
int i1 = p1 - 1, i2 = p1 + 1, i3 = pn + 1;
trav(o,v){
if (o == 1) {
int d = query(i1, i1 + 1), x = a[i1 + 1] + d, y = a[i1 + 1] - d;
if (x > n || c[x]) a[i1] = y;
else if (y < 1 || c[y]) a[i1] = x;
else {
int e = query(i1, i1 + 2);
auto [mn, mx] = minmax(a[i1 + 1], a[i1 + 2]);
if (e == mx - mn) {
if (x > mn && x < mx) a[i1] = x;
else a[i1] = y;
} else {
if (x == mx - e || x == mn + e) a[i1] = x;
else a[i1] = y;
}
}
c[a[i1]] = 1;
i1--;
} else if (o == 2) {
int d = query(i2 - 1, i2), x = a[i2 - 1] + d, y = a[i2 - 1] - d;
if (x > n || c[x]) a[i2] = y;
else if (y < 1 || c[y]) a[i2] = x;
else {
int e = query(i2 - 2, i2);
auto [mn, mx] = minmax(a[i2 - 1], a[i2 - 2]);
if (e == mx - mn) {
if (x > mn && x < mx) a[i2] = x;
else a[i2] = y;
} else {
if (x == mx - e || x == mn + e) a[i2] = x;
else a[i2] = y;
}
}
c[a[i2]] = 1;
i2++;
} else {
int d = query(i3 - 1, i3), x = a[i3 - 1] + d, y = a[i3 - 1] - d;
if (x > n || c[x]) a[i3] = y;
else if (y < 1 || c[y]) a[i3] = x;
else {
int e = query(i3 - 2, i3);
auto [mn, mx] = minmax(a[i3 - 1], a[i3 - 2]);
if (e == mx - mn) {
if (x > mn && x < mx) a[i3] = x;
else a[i3] = y;
} else {
if (x == mx - e || x == mn + e) a[i3] = x;
else a[i3] = y;
}
}
c[a[i3]] = 1;
i3++;
}
}
FOR(i,1,n) answer(i, a[i]);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
2 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
2 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
2 ms |
344 KB |
Output is correct |
17 |
Correct |
5 ms |
344 KB |
Output is correct |
18 |
Correct |
7 ms |
448 KB |
Output is correct |
19 |
Correct |
6 ms |
344 KB |
Output is correct |
20 |
Correct |
7 ms |
344 KB |
Output is correct |
21 |
Correct |
4 ms |
340 KB |
Output is correct |
22 |
Correct |
6 ms |
344 KB |
Output is correct |
23 |
Correct |
5 ms |
344 KB |
Output is correct |
24 |
Correct |
7 ms |
344 KB |
Output is correct |
25 |
Correct |
4 ms |
344 KB |
Output is correct |
26 |
Correct |
8 ms |
344 KB |
Output is correct |
27 |
Correct |
9 ms |
344 KB |
Output is correct |
28 |
Correct |
6 ms |
344 KB |
Output is correct |
29 |
Correct |
6 ms |
344 KB |
Output is correct |
30 |
Correct |
6 ms |
448 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
2 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
2 ms |
344 KB |
Output is correct |
17 |
Correct |
5 ms |
344 KB |
Output is correct |
18 |
Correct |
7 ms |
448 KB |
Output is correct |
19 |
Correct |
6 ms |
344 KB |
Output is correct |
20 |
Correct |
7 ms |
344 KB |
Output is correct |
21 |
Correct |
4 ms |
340 KB |
Output is correct |
22 |
Correct |
6 ms |
344 KB |
Output is correct |
23 |
Correct |
5 ms |
344 KB |
Output is correct |
24 |
Correct |
7 ms |
344 KB |
Output is correct |
25 |
Correct |
4 ms |
344 KB |
Output is correct |
26 |
Correct |
8 ms |
344 KB |
Output is correct |
27 |
Correct |
9 ms |
344 KB |
Output is correct |
28 |
Correct |
6 ms |
344 KB |
Output is correct |
29 |
Correct |
6 ms |
344 KB |
Output is correct |
30 |
Correct |
6 ms |
448 KB |
Output is correct |
31 |
Correct |
17 ms |
344 KB |
Output is correct |
32 |
Correct |
25 ms |
476 KB |
Output is correct |
33 |
Correct |
32 ms |
488 KB |
Output is correct |
34 |
Correct |
35 ms |
492 KB |
Output is correct |
35 |
Correct |
33 ms |
492 KB |
Output is correct |
36 |
Correct |
29 ms |
492 KB |
Output is correct |
37 |
Correct |
28 ms |
508 KB |
Output is correct |
38 |
Correct |
25 ms |
596 KB |
Output is correct |
39 |
Correct |
29 ms |
492 KB |
Output is correct |
40 |
Correct |
41 ms |
344 KB |
Output is correct |
41 |
Correct |
45 ms |
596 KB |
Output is correct |
42 |
Correct |
23 ms |
344 KB |
Output is correct |
43 |
Correct |
23 ms |
488 KB |
Output is correct |
44 |
Correct |
17 ms |
488 KB |
Output is correct |
45 |
Correct |
42 ms |
496 KB |
Output is correct |
46 |
Correct |
32 ms |
344 KB |
Output is correct |
47 |
Correct |
31 ms |
496 KB |
Output is correct |
48 |
Correct |
27 ms |
492 KB |
Output is correct |
49 |
Correct |
28 ms |
492 KB |
Output is correct |
50 |
Correct |
31 ms |
492 KB |
Output is correct |
51 |
Correct |
40 ms |
592 KB |
Output is correct |
52 |
Correct |
29 ms |
344 KB |
Output is correct |
53 |
Correct |
27 ms |
496 KB |
Output is correct |
54 |
Correct |
25 ms |
488 KB |
Output is correct |
55 |
Correct |
28 ms |
488 KB |
Output is correct |
56 |
Correct |
25 ms |
344 KB |
Output is correct |
57 |
Correct |
33 ms |
592 KB |
Output is correct |
58 |
Correct |
30 ms |
488 KB |
Output is correct |
59 |
Correct |
26 ms |
592 KB |
Output is correct |
60 |
Correct |
37 ms |
512 KB |
Output is correct |