Submission #615951

#	Time	Username	Problem	Language	Result	Execution time	Memory
615951		kideso	Kpart (eJOI21_kpart)	C++17	10 / 100	2066 ms	724 KiB

Main

#include <iostream>
#include <queue>

//#include <fstream>

using namespace std;

//ifstream F("be.txt");

vector<int> ans, x, s;
int N;
const int maxN = 1e5;

void DP(int k){
    vector<int> dp(maxN + 1, 0);
    dp[0] = 1;

    int sum = 0;
    for(int i = k; i < N; ++i){
        sum += x[i];
        for(int j = maxN - x[i]; j >= 0; --j)
            if(dp[j] == 1) dp[j + x[i]] = 1;

        if(sum % 2 == 0 && dp[sum / 2] == 1) ++s[i - k + 1];
    }

    return;
}

int main(){
    int T;
    cin >> T;

    while(T--){
        ans.clear();

        cin >> N;
        x.assign(N, 0);
        s.assign(N + 1, 0);
        
        for(auto &e : x)
            cin >> e;

        for(int i = 0; i < N; ++i)
            DP(i);

        for(int i = 1; i <= N; ++i)
            if(s[i] == N - i + 1) ans.push_back(i);

        cout << ans.size() << ' ';
        for(auto e : ans)
            cout << e << ' ';
        cout << '\n';
    }

    return 0;
}

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