Submission #202501

#	Time	Username	Problem	Language	Result	Execution time	Memory
202501		Nucleist	Toys (CEOI18_toy)	C++14	0 / 100	5 ms	376 KiB

toy

#include <bits/stdc++.h> 
using namespace std; 
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#define flash ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define debug(x) cerr << " - " << #x << ": " << x << endl;
#define debugs(x, y) cerr << " - " << #x << ": " << x << " " << #y << ": " << y << endl;
#define all(x) (x).begin(),(x).end()
#define sz(x) (ll)x.size()
#define ll long long
#define INF 1000000000
#define MOD 1000000007
#define pb push_back
#define ve vector<ll>
#define dos pair<ll,ll>
#define vedos vector<dos>
#define rand mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())
struct greateri
{
    template<class T>
    bool operator()(T const &a, T const &b) const { return a > b; }
};
map<vector<dos>,ll>dp;
set<ll>ans;
void solve(vedos k)
{
    dp[k]=1;
    ll last=-1;
    ll newi=0;
    ll comp=0;
    for(auto it:k)
    {
        newi+=((it.first-1)*it.second);
    }
    if(newi>0)ans.insert(newi);
    if(k.size()<=1)return;
    for (ll i = 0; i < k.size(); ++i)
    {
        for (ll j = i; j < k.size(); ++j)
        {
            vedos next;
            if(i!=j || k[i].second>1)
            {
            next.pb({k[i].first*k[j].first,1});
            for (ll yo = 0; yo < k.size(); ++yo)
            {
                if(yo!=i && yo!=j && k[yo].first!=k[i].first*k[j].first)next.pb(k[yo]);
                else if(k[yo].first==k[i].first*k[j].first)next[0].second+=k[yo].second;
                else if(yo==i && i==j && k[yo].second-2>0)next.pb({k[yo].first,k[yo].second-2});
                else if((yo==i || yo==j) && i!=j && k[yo].second-1>0)next.pb({k[yo].first,k[yo].second-1});
            }
            sort(next.begin(),next.end());
            if(dp.find(next)==dp.end())solve(next);
            }
        }
    }
}
int main()
{
    flash;
    ll n;
    cin>>n;
    ll kol = n;
    vedos primi;
    int comp=0;
    while (n % 2 == 0)  
    {  
        n = n/2; 
        comp++; 
    } 
    primi.pb({2,comp});
    comp=0;
    for (ll i = 3; i <= sqrt(n); i = i + 2)  
    {  
        while (n % i == 0)  
        {  
            n = n/i; 
            comp++; 
        }  
        primi.pb({i,comp});
        comp=0;
    }  
    if (n > 2)  
        primi.pb({n,1});
    ve pri; 
    solve(primi);
    ans.insert(kol-1);
    cout<<ans.size()<<'\n';
    for(auto it:ans)cout<<it<<" ";
  return 0;
}
//code the AC sol !
// BS/queue/map

Compilation message (stderr)

toy.cpp:4:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization ("O3")
 
toy.cpp:5:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization ("unroll-loops")
 
toy.cpp: In function 'void solve(std::vector<std::pair<long long int, long long int> >)':
toy.cpp:38:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (ll i = 0; i < k.size(); ++i)
                    ~~^~~~~~~~~~
toy.cpp:40:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (ll j = i; j < k.size(); ++j)
                        ~~^~~~~~~~~~
toy.cpp:46:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (ll yo = 0; yo < k.size(); ++yo)
                             ~~~^~~~~~~~~~
toy.cpp:29:8: warning: unused variable 'last' [-Wunused-variable]
     ll last=-1;
        ^~~~
toy.cpp:31:8: warning: unused variable 'comp' [-Wunused-variable]
     ll comp=0;
        ^~~~

• Subtask 1: 0 / 19
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 21