#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) (int)a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x,y) ((x+y-1)/(y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl
#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)
template<typename T>
void amin(T &a, T b) {
a = min(a,b);
}
template<typename T>
void amax(T &a, T b) {
a = max(a,b);
}
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
/*
refs:
https://www.javatpoint.com/daa-comparison-network (whole sorting networks chapter)
*/
const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;
vector<vector<pii>> bitonic_sort(vector<int> &a){
if(sz(a) <= 1){
return vector<vector<pii>>();
}
vector<pii> half_cleaner;
int siz = sz(a);
rep(i,siz/2){
half_cleaner.pb({a[i],a[i+siz/2]});
}
vector<int> b,c;
rep(i,siz){
if(i < siz/2){
b.pb(a[i]);
}
else{
c.pb(a[i]);
}
}
auto resl = bitonic_sort(b);
auto resr = bitonic_sort(c);
if(sz(resl) < sz(resr)){
swap(resl,resr);
}
rep(i,sz(resr)){
trav(px,resr[i]){
resl[i].pb(px);
}
}
resl.insert(resl.begin(),half_cleaner);
return resl;
}
vector<vector<pii>> sort(vector<int> &a){
if(sz(a) <= 1){
return vector<vector<pii>>();
}
vector<int> b,c;
rep(i,sz(a)){
if(i < sz(a)/2){
b.pb(a[i]);
}
else{
c.pb(a[i]);
}
}
auto resl = sort(b);
auto resr = sort(c);
if(sz(resl) < sz(resr)){
swap(resl,resr);
}
rep(i,sz(resr)){
trav(px,resr[i]){
resl[i].pb(px);
}
}
reverse(all(c));
auto bitonic = b;
trav(x,c) bitonic.pb(x);
auto ops = bitonic_sort(bitonic);
trav(v,ops) resl.pb(v);
return resl;
}
void solve(int test_case)
{
int n; cin >> n;
vector<int> a(n);
iota(all(a),1);
auto ans = sort(a);
// trav(v,ans){
// trav(px,v){
// if(px.ff > px.ss){
// swap(px.ff,px.ss);
// }
// }
// }
// trav(v,ans){
// for(auto [i,j] : v){
// printf("{%d,%d},\n",i,j);
// }
// }
// return;
cout << sz(ans) << endl;
trav(v,ans){
for(auto [i,j] : v){
cout << "CMPSWP R" << i << " " << "R" << j << " ";
}
cout << endl;
}
}
int main()
{
fastio;
int t = 1;
// cin >> t;
rep1(i, t) {
solve(i);
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
not sorted |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
348 KB |
not sorted |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
not sorted |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
not sorted |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
348 KB |
not sorted |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
348 KB |
not sorted |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
348 KB |
not sorted |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
348 KB |
not sorted |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
344 KB |
not sorted |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
348 KB |
not sorted |
| 2 |
Halted |
0 ms |
0 KB |
- |
