oj.uz

Submission #131141

# Submission time Handle Problem Language Result Execution time Memory
131141 2019-07-16T16:50:03 Z Vardanyan Toys (CEOI18_toy) C++14
0 / 100
 2 ms 376 KB 
#include <bits/stdc++.h>
using namespace std;
unordered_map<int,int> s;
map<pair<int,int>,int> mp;
vector<int> ans;
void rec(int n,int sm){
    if(mp[{n,sm}]) return;
    mp[{n,sm}] = 1;
    if(n == 1){
        if(!s[sm]){
            ans.push_back(sm);
            s[sm] = 1;
        }
        return;
    }
    for(int i = 1;i*i<=n;i++){
        if(n%i) continue;
       if(i>1) rec(n/i,sm+i-1);
        int x = n/i;
        rec(n/x,sm+x-1);
    }
}
int main(){
    ios_base::sync_with_stdio(false);
    int n;
    cin>>n;
    rec(n,0);
    cout<<ans.size()<<endl;
    for(int i = 0;i<ans.size();i++) cout<<ans[i]<<" ";
    cout<<endl;
    return 0;
}

Compilation message

toy.cpp: In function 'int main()':
toy.cpp:29:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0;i<ans.size();i++) cout<<ans[i]<<" ";
                   ~^~~~~~~~~~~

Subtask #1
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 Halted 0 ms 0 KB -