Submission #1128055

#	Time	Username	Problem	Language	Result	Execution time	Memory
1128055		icecream	Bootfall (IZhO17_bootfall)	C++20	0 / 100	1 ms	320 KiB

bootfall

//                                                             アイスクリーム                                                   
#include <bits/stdc++.h>
#ifndef alks
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
#endif
#pragma GCC optimize("O3,unroll-loops")
#define ll long long
#define int ll
#define Yes cout<<"YES\n"; return;
#define No cout<<"NO\n"; return;
#define yes cout<<"Yes\n"; return;
#define no cout<<"No\n"; return;
#define wrans cout<<"-1\n"; return;
using namespace std;
const int N=1e6+100;
const int M=1e6+100;
const int mod1=998244353;
const int mod=1e9+7;
const int INF=1e18;
const long double eps=1e-12;
const string ab="abcdefghijklmnopqrstuvwxyz";
const string AB="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
int n;
int a[N];
bool dp[N];
void alikosh(){
    cin>>n;
    int sum=0;
    for(int i=1;i<=n;i++){
        cin>>a[i];
        sum+=a[i];
    }
    set <int> st;
    for(int i=1;i<=500;i++){
        int x=sum+i;
        for(int j=1;j<=x;j++){
            dp[j]=0;
        }
        dp[0]=1;
        for(int j=1;j<=n;j++){
            for(int s=x;s>=a[j];s--){
                if(dp[s-a[j]]){
                    dp[s]=1;
                }
            }
        }
        for(int j=1;j<=n;j++){
            int z=x-a[j];
            if(z%2==0 && dp[z/2]){
                st.insert(i);
                break;
            }
        }
    }
    cout<<st.size()<<"\n";
    for(auto it:st){
        cout<<it<<" ";
    }
}
signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int alikosh1=1;
    // cin>>alikosh1; 
    for(int i=1;i<=alikosh1;i++){
        // cout<<"Case "<<i<<": ";
        alikosh();
    }
}
//, Ice \ \ 

• Subtask 1: 0 / 6
• Subtask 2: 0 / 7
• Subtask 3: 0 / 15
• Subtask 4: 0 / 16
• Subtask 5: 0 / 21
• Subtask 6: 0 / 35