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Submission #1109454

# Submission time Handle Problem Language Result Execution time Memory
1109454 2024-11-06T18:18:34 Z Irate Kpart (eJOI21_kpart) C++17
30 / 100
 2000 ms 1104 KB 
#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
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 592 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 336 KB Output is correct
2 Correct 251 ms 548 KB Output is correct

Subtask #3
0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 1101 ms 768 KB Output is correct
2 Execution timed out 2061 ms 1104 KB Time limit exceeded
3 Halted 0 ms 0 KB -