#include<bits/stdc++.h>
#define pb push_back
#define int long long
using namespace std;
const int mod = 1e9 + 7;
const int inf = 1e9;
const int N = 2048;
vector<array<string, 3> > ans;
void operation(int type, int hand, int shelf){ // take = 0, left = 0
array<string, 3> op;
if(!type) op[0] = "UZMI";
else op[0] = "STAVI";
if(!hand) op[1] = "L";
else op[1] = "D";
if(!shelf) op[2] = "L";
else op[2] = "D";
ans.pb(op);
}
int32_t main(){
ios_base::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
int n;
cin>>n;
vector<int> a(n);
vector<int> ls, rs;
for(int i = 0; i < n; i++){
int x;
cin>>x;
ls.pb(x);
a[i] = x;
}
//reverse(ls.begin(), ls.end());
sort(a.begin(), a.end());
for(int i = n-1; i >= 0; i--){
if(ls[i] == a[i]) continue;
while(ls.size() > n-i-1){
if(ls.back() == a[i]){
operation(0, 1, 0);
}
else{
operation(0, 0, 0);
rs.pb(ls.back());
operation(1, 0, 1);
}
ls.pop_back();
}
operation(1, 1, 0);
while(!rs.empty()){
operation(0, 0, 1);
ls.pb(rs.back());
rs.pop_back();
operation(1, 0, 0);
}
}
cout<<ans.size()<<endl;
for(auto itr: ans){
cout<<itr[0]<<" "<<itr[1]<<" "<<itr[2]<<endl;
}
return 0;
}
Compilation message
Main.cpp: In function 'int32_t main()':
Main.cpp:45:21: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
45 | while(ls.size() > n-i-1){
| ~~~~~~~~~~^~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
12 ms |
2004 KB |
Cannot hold multiple books at one hand |
2 |
Incorrect |
13 ms |
2000 KB |
Cannot hold multiple books at one hand |
3 |
Incorrect |
14 ms |
2004 KB |
Cannot hold multiple books at one hand |
4 |
Incorrect |
15 ms |
2004 KB |
Cannot put a book with empty hand |
5 |
Incorrect |
13 ms |
2004 KB |
Cannot put a book with empty hand |
6 |
Incorrect |
13 ms |
2000 KB |
Cannot hold multiple books at one hand |
7 |
Incorrect |
4 ms |
856 KB |
Cannot hold multiple books at one hand |
8 |
Incorrect |
17 ms |
2004 KB |
Cannot put a book with empty hand |
9 |
Incorrect |
15 ms |
2000 KB |
Cannot put a book with empty hand |
10 |
Incorrect |
18 ms |
2004 KB |
Cannot hold multiple books at one hand |