#include <bits/stdc++.h>
using namespace std;
signed main() {
int n; cin>>n;
vector<int>sorted(n);
stack<int>l,r;
for(int i = 0 ; i < n ; i++) {
cin>>sorted[i];
l.push(sorted[i]);
}
vector<string>ans;
// rechts ==> nemen
// links ==> vasthouden
int cnt=0;
sort(sorted.rbegin(),sorted.rend());
bool f = true;
for(int i = 0 ; i < n ; i++) {
int t = sorted[i];
if(f) {
for(int j = 0 ; j < n - i ; j++) {
if(l.top() != t) r.push(l.top()), ans.push_back("UZMI D L\nSTAVI D D\n"),cnt+=2;
else ans.push_back("UZMI L L\n"),cnt++;
l.pop();
}
ans.push_back("STAVI L L\n");
cnt++;
l.push(t);
f=false;
} else {
while(true) {
if(r.top() == t) break;
ans.push_back("UZMI D D\nSTAVI D L\n");
cnt+=2;
l.push(r.top());
r.pop();
}
ans.push_back("UZMI L D\n");
cnt++;
r.pop();
while(l.size() > i) {
r.push(l.top());
l.pop();
ans.push_back("UZMI D L\nSTAVI D D\n");
cnt+=2;
}
l.push(t);
ans.push_back("STAVI L L\n");
cnt++;
}
}
//while(!l.empty()) cout << l.top() << " ",l.pop();
cout << cnt << "\n";
reverse(ans.begin(),ans.end());
for(auto z : ans) cout << z;
return 0;
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:43:28: warning: comparison of integer expressions of different signedness: 'std::stack<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
43 | while(l.size() > i) {
| ~~~~~~~~~^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
332 KB |
Execution killed with signal 11 |
2 |
Runtime error |
1 ms |
332 KB |
Execution killed with signal 11 |
3 |
Runtime error |
1 ms |
332 KB |
Execution killed with signal 11 |
4 |
Incorrect |
1 ms |
712 KB |
Cannot put a book with empty hand |
5 |
Incorrect |
1 ms |
712 KB |
Cannot put a book with empty hand |
6 |
Runtime error |
1 ms |
332 KB |
Execution killed with signal 11 |
7 |
Runtime error |
1 ms |
332 KB |
Execution killed with signal 11 |
8 |
Incorrect |
2 ms |
712 KB |
Cannot put a book with empty hand |
9 |
Incorrect |
1 ms |
588 KB |
Cannot put a book with empty hand |
10 |
Incorrect |
1 ms |
712 KB |
Cannot put a book with empty hand |