제출 #920775

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
920775		Sir_Ahmed_Imran	Toys (CEOI18_toy)	C++17	100 / 100	746 ms	80244 KiB

toy

                              ///~~~LOTA~~~///
#include <bits/stdc++.h>
using namespace std;
#define nl '\n'
#define ff first
#define ss second
#define add insert
#define ll long long 
#define append push_back
#define all(x) (x).begin(),(x).end()
#define pii pair<int,int>
#define N 2001
unordered_map<int,unordered_set<int>> x;
void compute(int n){
    int m=sqrtl(n);
    x[n].add(n-1);
    for(int i=2;i<=m;i++){
        if(n%i) continue;
        for(auto& j:x[n/i])
            x[n].add(j+i-1);
    }
}
void solve(){
    int n,m,o,p,q,r;
    cin>>n;
    m=sqrtl(n);
    vector<int> v;
    for(int i=2;i<=m;i++){
        if(n%i) continue;
        v.append(n/i);
        v.append(i);
    }
    sort(all(v));
    for(auto& i:v)
        compute(i);
    compute(n);
    cout<<x[n].size()<<nl;
    v.clear();
    for(auto& i:x[n])
        v.append(i);
    sort(all(v));
    for(auto& i:v)
        cout<<i<<' ';
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    solve();
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

toy.cpp: In function 'void solve()':
toy.cpp:24:13: warning: unused variable 'o' [-Wunused-variable]
   24 |     int n,m,o,p,q,r;
      |             ^
toy.cpp:24:15: warning: unused variable 'p' [-Wunused-variable]
   24 |     int n,m,o,p,q,r;
      |               ^
toy.cpp:24:17: warning: unused variable 'q' [-Wunused-variable]
   24 |     int n,m,o,p,q,r;
      |                 ^
toy.cpp:24:19: warning: unused variable 'r' [-Wunused-variable]
   24 |     int n,m,o,p,q,r;
      |                   ^

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