제출 #537492

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
537492		zaneyu	Kpart (eJOI21_kpart)	C++14	30 / 100	2087 ms	320 KiB

Main

/*input
2
7
7 3 5 1 3 3 5
6
1 1 1 1 1 1
*/
#include<bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int i=0;i<n;i++)
#define MNTO(x,y) x=min(x,y)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define ll long long
#define ld long double
#define sz(x) (int)x.size()
#define pb push_back
const int maxn=1e3+5;
int arr[maxn];
bool wk[maxn];
void solve(){
    int n;
    cin>>n;
    REP(i,n) cin>>arr[i];
    REP1(i,n) wk[i]=1;
    REP(i,n){
        int s=0;
        bitset<50005> bs;
        bs[0]=1;
        for(int j=i;j<n;j++){
            bs|=(bs<<arr[j]);
            s+=arr[j];
            if(s%2 or !bs[s/2]) wk[j-i+1]=0;
        }
    } 
    int cnt=0;
    REP1(i,n) cnt+=wk[i];
    cout<<cnt<<' ';
    REP1(i,n) if(wk[i]) cout<<i<<' ';
    cout<<'\n';
}
int main(){
    ios::sync_with_stdio(false),cin.tie(0);
    int t;
    cin>>t;
    while(t--) solve();
}

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 0 / 70