#include<bits/stdc++.h>
#include<chrono>
#include<random>
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef double db;
ll gcd(ll a , ll b) {return b ? gcd(b , a % b) : a ;} // greatest common divisor (PGCD)
ll lcm(ll a , ll b) {return (a * b) / gcd(a , b);} // least common multiple (PPCM)
int dx[8] = {1, 0, 0, -1, 1, 1, -1, -1};
int dy[8] = {0, 1, -1, 0, 1, -1, -1, 1};
#define endl "\n"
#define ss second
#define ff first
#define all(x) (x).begin() , (x).end()
#define pb push_back
#define vi vector<int>
#define vii vector<pair<int,int>>
#define vl vector<ll>
#define vll vector<pair<ll,ll>>
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pdd pair<double,double>
#define vdd vector<pdd>
#define speed ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define pbds tree<pii, null_type, less<pii>,rb_tree_tag, tree_order_statistics_node_update>
using namespace __gnu_pbds;
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
////////////////////Only Clear Code//////////////////////////
void usaco_problem(){
freopen("milkvisits.in", "r", stdin);
freopen("milkvisits.out", "w", stdout);
}
void init(){
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif // ONLINE_JUDGE
}
const int mx = 1e6+5;
const int LOG = 22;
const int inf = 1e9;
const ll mod = 1e9+7;
const int sq = 300;
#include "doll.h"
vi C;
vi X, Y;
vi graph[mx];
bool state[mx];
int value[mx];
vi v;
int _count(int n){
int x = 0;
int cnt = 1;
while(cnt < n){
cnt *=2;
x++;
}
return x;
}
void dfs(int node, int l, int r){
if(l == r){
v.pb(node);
return;
}
int md = (l+r)/2;
if(state[node] == 0){
dfs(node*2, l, md);
state[node] = 1;
}
else{
dfs(node*2+1, md+1, r);
state[node] = 0;
}
}
int cur = -1;
void build(int node, int l , int r){
if(l == r)return;
value[node] = cur--;
X.pb(0);
Y.pb(0);
state[node] = 0;
int md = (l+r)/2;
build(node*2, l, md);
build(node*2+1, md+1, r);
}
void build1(int node, int l , int r){
int md = (l+r)/2;
if(l != md){
X[-value[node]-1] = (value[node*2]);
Y[-value[node]-1] = (value[node*2+1]);
}
else{
build1(node*2, l, md);
build1(node*2+1, md+1, r);
}
}
void create_circuit(int m, vi A){
int N = A.size();
C.clear();
C.resize(m+1);
X.clear();
Y.clear();
graph[0].pb(A[0]);
for(int i = 0;(i+1) < N;i++){
graph[A[i]].pb(A[i+1]);
}
graph[A[N-1]].pb(0);
cur = -1;
for(int i = 0; i <= m;i++){
if(graph[i].size() == 0)continue;
if(graph[i].size() == 1){
C[i] = graph[i][0];
//cout << i << " " << graph[i][0] << endl;
}
else{
int k = _count(graph[i].size());
int ind = 0;
int n = (1 << k);
C[i] = value[1];
build(1, 0, n-1);
build1(1, 0, n-1);
v.clear();
for(int i = 0; i < n;i++){
dfs(1, 0, n-1);
}
int num = n - graph[i].size();
for(int x : v){
if(num > 0){
int node = x/2;
if(x % 2 == 0){
X[-value[node]-1] = value[1];
//cout << value[node] << " " << i << endl;
}
else{
Y[-value[node]-1] = value[1];
//cout << value[node] << " " << i << endl;
}
num--;
}
else{
int node = x/2;
if(x % 2 == 0){
X[-value[node]-1] = graph[i][ind];
//cout << value[node] << " " << graph[i][ind] << endl;
ind++;
}
else{
Y[-value[node]-1] = graph[i][ind];
//cout << value[node] << " " << graph[i][ind] << endl;
ind++;
}
}
//cout << x << endl;
}
//cout << endl;
}
}
//answer(C, X, Y);
}
/*
int32_t main(){
init();
speed;
create_circuit(4, {1, 2, 1, 3, 1, 4});
}*/
/*
NEVER GIVE UP!
DOING SMTHNG IS BETTER THAN DOING NTHNG!!!
Your Guide when stuck:
- Continue keyword only after reading the whole input
- Don't use memset with testcases
- Check for corner cases(n=1, n=0)
- Check where you declare n(Be careful of declaring it globally and in main)
*/
Compilation message
doll.cpp: In function 'void usaco_problem()':
doll.cpp:36:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
36 | freopen("milkvisits.in", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
doll.cpp:37:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
37 | freopen("milkvisits.out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
doll.cpp: In function 'void init()':
doll.cpp:43:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
43 | freopen("input.txt", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
doll.cpp:44:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
44 | freopen("output.txt", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
4 ms |
24408 KB |
Wrong Answer: answered not exactly once |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
4 ms |
24408 KB |
Wrong Answer: answered not exactly once |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
4 ms |
24408 KB |
Wrong Answer: answered not exactly once |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
4 ms |
26460 KB |
Wrong Answer: answered not exactly once |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
4 ms |
26456 KB |
Wrong Answer: answered not exactly once |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
4 ms |
26456 KB |
Wrong Answer: answered not exactly once |
2 |
Halted |
0 ms |
0 KB |
- |