#include<bits/stdc++.h>
//#include<chrono>
//#include<random>
#include "swaps.h"
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 = 1005;
const int LOG = 22;
const int inf = 1e9;
const ll mod = 1e9+7;
const int sq = 320;
int n;
vi cur;
bool comp[mx][mx];
/*
void schedule(int i, int j){
cur.pb(i > j);
}
vi visit(){
vi v = cur;
cur.clear();
return v;
}*/
vi recur(vi v){
if(v.size() == 1)return v;
int md = v.size()/2;
vi a, b;
for(int i = 0; i < v.size();i++){
if(i < md){
a.pb(v[i]);
}
else{
b.pb(v[i]);
}
}
a = recur(a);
b = recur(b);
/*cout << v.size() << endl;
for(int x : a){
cout << x << " ";
}
cout << endl;
for(int x : b){
cout << x << " ";
}
cout << endl;*/
/*for(int i = 0; i < a.size();i++){
for(int j = 0;j < b.size();j++){
schedule(a[i], b[j]);
}
}
vi res = visit();*/
int x = 0, y = 0;
vi ans;
while(x < a.size() && y < b.size()){
int k = comp[a[x]][b[y]];
if(k == 1){
ans.pb(a[x]);
x++;
}
else{
ans.pb(b[y]);
y++;
}
}
while(x < a.size()){
ans.pb(a[x]);
x++;
}
while(y < b.size()){
ans.pb(b[y]);
y++;
}
return ans;
}
void solve(int N, int v){
n = N;
vi x;
for(int i = 1; i <= n;i++){
x.pb(i);
}
vii vec;
for(int k = 1; k < n;k++){
for(int r = 0; r <= 1;r++){
for(int i = 0; i+k < n;i++){
if((i/k) % 2 == r){
schedule(i+1, i+k+1);
vec.pb({i+1, i+k+1});
}
}
vi res = visit();
for(int i = 0; i < res.size();i++){
comp[vec[i].ff][vec[i].ss] = res[i];
//cout << vec[i].ff << " " << vec[i].ss << " " << res[i] << endl;
}
vec.clear();
}
}
vi a = recur(x);
/*for(int x : a){
cout << x << " ";
}
cout << endl;*/
answer(x);
}
/*
int32_t main(){
init();
speed;
solve(4, 50);
}*/
/*
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
swaps.cpp: In function 'std::vector<int> recur(std::vector<int>)':
swaps.cpp:75:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
75 | for(int i = 0; i < v.size();i++){
| ~~^~~~~~~~~~
swaps.cpp:102:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
102 | while(x < a.size() && y < b.size()){
| ~~^~~~~~~~~~
swaps.cpp:102:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
102 | while(x < a.size() && y < b.size()){
| ~~^~~~~~~~~~
swaps.cpp:113:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
113 | while(x < a.size()){
| ~~^~~~~~~~~~
swaps.cpp:117:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
117 | while(y < b.size()){
| ~~^~~~~~~~~~
swaps.cpp: In function 'void solve(int, int)':
swaps.cpp:140:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
140 | for(int i = 0; i < res.size();i++){
| ~~^~~~~~~~~~~~
swaps.cpp: In function 'void usaco_problem()':
swaps.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.in", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
swaps.cpp:38:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
38 | freopen("milkvisits.out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
swaps.cpp: In function 'void init()':
swaps.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("input.txt", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
swaps.cpp:46:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
46 | freopen("output.txt", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
344 KB |
Not correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
344 KB |
Not correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
344 KB |
Not correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
344 KB |
Not correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
344 KB |
Not correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
344 KB |
Not correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
Not correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
Not correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
Not correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
Not correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
344 KB |
Not correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
344 KB |
Not correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
