Submission #1109454

#	Time	Username	Problem	Language	Result	Execution time	Memory
1109454		Irate	Kpart (eJOI21_kpart)	C++17	30 / 100	2061 ms	1104 KiB

Main

#include<bits/stdc++.h>
using namespace std;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t = 1;
    cin >> t;
    while(t--){
        int n;
        cin >> n;
        vector<int>v(n), res;
        vector<vector<int>>good(n, vector<int>(n));
        for(int i = 0;i < n;++i){
            cin >> v[i];
        }
        bitset<100005>dp;
        for(int i = 0;i < n;++i){
            int sum = 0;
            dp[0] = 1;
            for(int j = i;j < n;++j){
                dp |= (dp << v[j]);
                sum += v[j];
                good[i][j] = (sum % 2 == 0 && dp[sum / 2]);
            }
            dp.reset();
        }
        for(int l = 1;l <= n;++l){
            bool flag = 1;
            for(int i = 0;i + l - 1 < n;++i){
                flag = (flag && good[i][i + l - 1]);
            }
            if(flag)res.push_back(l);
        }
        cout << (int)res.size() << " ";
        for(int i : res){
            cout << i << " ";
        }
        cout << '\n';
    }
}

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