#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
#define rep(i,n) for(int i=0;i<n;i++)
#define crep(i,x,n) for(int i=x;i<n;i++)
#define drep(i,n) for(int i=n-1;i>=0;i--)
#define vec(...) vector<__VA_ARGS__>
#define _3HIYw7x ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
using pii=pair<int,int>;
using vi=vector<int>;
int main(){
_3HIYw7x;
int n;
cin>>n;
vi a(n);
rep(i,n){
cin>>a[i];
}
vi _a=a;
sort(all(_a));
reverse(all(_a));
vi l,r;
l=a;
reverse(all(l));
vec(tuple<int,int,int>) pans;
auto take=[&](int t,int t1){
pans.pb({0,t,t1});
};
auto put=[&](int t,int t1){
pans.pb({1,t,t1});
};
rep(i,n){
int x=_a[i];
while(sz(l) and l.back()!=x){
take(0,0);
put(0,1);
r.pb(l.back());
l.pop_back();
}
take(1,0);
l.pop_back();
while(sz(l)){
take(0,0);
put(0,1);
r.pb(l.back());
l.pop_back();
}
put(1,0);
while(sz(r)){
take(0,1);
put(0,0);
l.pb(r.back());
r.pop_back();
}
}
cout<<sz(pans)<<"\n";
for(auto [t,h,b] : pans){
if(t==0){
cout<<"UZMI ";
}else{
cout<<"STAVI ";
}
cout<<(h==0?"L":"D")<<" "<<(b==0?"L":"D")<<"\n";
}
//
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
844 KB |
Output is correct |
| 2 |
Correct |
3 ms |
844 KB |
Output is correct |
| 3 |
Correct |
3 ms |
844 KB |
Output is correct |
| 4 |
Correct |
5 ms |
844 KB |
Output is correct |
| 5 |
Correct |
3 ms |
844 KB |
Output is correct |
| 6 |
Correct |
3 ms |
844 KB |
Output is correct |
| 7 |
Correct |
3 ms |
844 KB |
Output is correct |
| 8 |
Correct |
3 ms |
844 KB |
Output is correct |
| 9 |
Correct |
3 ms |
844 KB |
Output is correct |
| 10 |
Correct |
5 ms |
844 KB |
Output is correct |
