#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using pld = pair<ld, ld>;
#define fi first
#define se second
#define pb push_back
#define pf push_front
#define mp make_pair
#define ins insert
#define btpc __builtin_popcount
#define btclz __builtin_clz
#define sz(x) (int)(x.size());
#define all(x) x.begin(), x.end()
#define debug(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int d4x[4] = {1, 0, -1, 0}; int d4y[4] = {0, 1, 0, -1};
int d8x[8] = {0, 1, 1, 1, 0, -1, -1, -1};
int d8y[8] = {1, 1, 0, -1, -1, -1, 0, 1};
template<class X, class Y>
bool minimize(X &x, const Y &y) {
if (x > y)
{
x = y;
return true;
}
return false;
}
template<class X, class Y>
bool maximize(X &x, const Y &y) {
if (x < y)
{
x = y;
return true;
}
return false;
}
const int MOD = 1e9 + 7; //998244353
template<class X, class Y>
void add(X &x, const Y &y) {
x = (x + y);
if(x >= MOD) x -= MOD;
}
template<class X, class Y>
void sub(X &x, const Y &y) {
x = (x - y);
if(x < 0) x += MOD;
}
/* Author : Le Ngoc Bao Anh, 12A5, LQD High School for Gifted Student*/
const ll INF = 1e9;
const int N = 1e5 + 10;
int L[N], R[N];
void solve(int n) {
vector<int> a;
for(int i = 1; i <= n; i++) a.pb(i);
int x = publish(a);
int smaller = 0, larger = 0;
for(int i = 2; i <= n; i++) {
swap(a[0], a[i - 1]);
int p = publish(a);
if(p > x) {
//i is behind 1
int c = p - x;
c = (c - 1) / 2;
int pos = 1;
while(c) pos = R[pos];
if(R[pos]) {
L[R[pos]] = i;
R[i] = R[pos];
}
L[i] = pos;
R[pos] = i;
} else {
int c = x - p;
c = (c - 1) / 2;
int pos = 1;
while(c) pos = L[pos];
if(L[pos]) {
R[L[pos]] = i;
L[i] = L[pos];
}
R[i] = pos;
L[pos] = i;
}
swap(a[0], a[i - 1]);
}
int p = 1;
while(L[p]) p = L[p];
vector<int> ans;
while(p) ans.pb(p), p = R[p];
answer(ans);
}
Compilation message
art.cpp: In function 'void solve(int)':
art.cpp:75:10: error: 'publish' was not declared in this scope
75 | int x = publish(a);
| ^~~~~~~
art.cpp:114:2: error: 'answer' was not declared in this scope
114 | answer(ans);
| ^~~~~~
art.cpp:76:6: warning: unused variable 'smaller' [-Wunused-variable]
76 | int smaller = 0, larger = 0;
| ^~~~~~~
art.cpp:76:19: warning: unused variable 'larger' [-Wunused-variable]
76 | int smaller = 0, larger = 0;
| ^~~~~~
interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
20 | if(v.size() != N) {
| ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
36 | if(v.size() != N) {
| ~~~~~~~~~^~~~
