oj.uz

Submission #566676

# Submission time Handle Problem Language Result Execution time Memory
566676 2022-05-22T15:30:29 Z Rifal Bootfall (IZhO17_bootfall) C++14
13 / 100
 147 ms 2284 KB 
#include <bits/stdc++.h>
#include <fstream>
#define endl '\n'
#define mod 1245671399175717
#define INF -100000000000000000
//#define ll long long
//#define cin fin
//#define cout fout
using namespace std;
//ofstream fout("convention.out");
//ifstream fin("convention.in");
const int M = 250005;
long long dp[M];
long long cnt[M];
void add(int x)
{
    for(int i = M-1; i >= x; i--)
    {
        dp[i] += dp[i-x]%mod;
        dp[i] %= mod;
    }
}
void remo(int x)
{
    for(int i = x; i < M; i++)
    {
        dp[i] -= dp[i-x]%mod;
        dp[i] %= mod;
    }
}
int main()
{
    ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
    int n;
    cin >> n;
    int arr[n];
    long long sum = 0;
    dp[0] = 1;
    for(int i = 0; i < n; i++)
    {
        cin >> arr[i];
        add(arr[i]);
        sum += arr[i];
    }
    if(sum%2 == 1 || dp[sum/2] == 0)
    {
        cout << 0 << endl;
        return 0;
    }
    for(int i = 0; i < n; i++)
    {
        remo(arr[i]);
        sum -= arr[i];
        for(long long j = 0; j <= sum/2; j++)
        {
            if(dp[j] >= 1)
            {
                if(sum-(j*2) != 0)
                    cnt[sum-(j*2)]++;
            }
        }

        add(arr[i]);
        sum += arr[i];
    }
    vector<int> ans;
    for(int i = 0; i < M; i++)
    {
        if(cnt[i] == n)
            ans.push_back(i);
    }
    cout << ans.size() << endl;
    for(int i = 0; i < ans.size(); i++)
        cout << ans[i] << ' ';
    return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:73:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |     for(int i = 0; i < ans.size(); i++)
      |                    ~~^~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 2260 KB Output is correct
2 Correct 15 ms 2284 KB Output is correct
3 Correct 4 ms 2260 KB Output is correct
4 Correct 14 ms 2280 KB Output is correct
5 Correct 37 ms 2260 KB Output is correct
6 Correct 18 ms 2280 KB Output is correct
7 Correct 17 ms 2260 KB Output is correct
8 Correct 34 ms 2280 KB Output is correct
9 Correct 27 ms 2260 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 2260 KB Output is correct
2 Correct 15 ms 2284 KB Output is correct
3 Correct 4 ms 2260 KB Output is correct
4 Correct 14 ms 2280 KB Output is correct
5 Correct 37 ms 2260 KB Output is correct
6 Correct 18 ms 2280 KB Output is correct
7 Correct 17 ms 2260 KB Output is correct
8 Correct 34 ms 2280 KB Output is correct
9 Correct 27 ms 2260 KB Output is correct
10 Correct 64 ms 2284 KB Output is correct
11 Correct 84 ms 2264 KB Output is correct
12 Correct 73 ms 2264 KB Output is correct
13 Correct 55 ms 2260 KB Output is correct
14 Correct 70 ms 2264 KB Output is correct
15 Correct 87 ms 2260 KB Output is correct
16 Correct 71 ms 2276 KB Output is correct
17 Correct 39 ms 2260 KB Output is correct
18 Correct 51 ms 2260 KB Output is correct
19 Correct 56 ms 2260 KB Output is correct
20 Correct 63 ms 2260 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 2260 KB Output is correct
2 Correct 15 ms 2284 KB Output is correct
3 Correct 4 ms 2260 KB Output is correct
4 Correct 14 ms 2280 KB Output is correct
5 Correct 37 ms 2260 KB Output is correct
6 Correct 18 ms 2280 KB Output is correct
7 Correct 17 ms 2260 KB Output is correct
8 Correct 34 ms 2280 KB Output is correct
9 Correct 27 ms 2260 KB Output is correct
10 Correct 64 ms 2284 KB Output is correct
11 Correct 84 ms 2264 KB Output is correct
12 Correct 73 ms 2264 KB Output is correct
13 Correct 55 ms 2260 KB Output is correct
14 Correct 70 ms 2264 KB Output is correct
15 Correct 87 ms 2260 KB Output is correct
16 Correct 71 ms 2276 KB Output is correct
17 Correct 39 ms 2260 KB Output is correct
18 Correct 51 ms 2260 KB Output is correct
19 Correct 56 ms 2260 KB Output is correct
20 Correct 63 ms 2260 KB Output is correct
21 Incorrect 147 ms 2284 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 2260 KB Output is correct
2 Correct 15 ms 2284 KB Output is correct
3 Correct 4 ms 2260 KB Output is correct
4 Correct 14 ms 2280 KB Output is correct
5 Correct 37 ms 2260 KB Output is correct
6 Correct 18 ms 2280 KB Output is correct
7 Correct 17 ms 2260 KB Output is correct
8 Correct 34 ms 2280 KB Output is correct
9 Correct 27 ms 2260 KB Output is correct
10 Correct 64 ms 2284 KB Output is correct
11 Correct 84 ms 2264 KB Output is correct
12 Correct 73 ms 2264 KB Output is correct
13 Correct 55 ms 2260 KB Output is correct
14 Correct 70 ms 2264 KB Output is correct
15 Correct 87 ms 2260 KB Output is correct
16 Correct 71 ms 2276 KB Output is correct
17 Correct 39 ms 2260 KB Output is correct
18 Correct 51 ms 2260 KB Output is correct
19 Correct 56 ms 2260 KB Output is correct
20 Correct 63 ms 2260 KB Output is correct
21 Incorrect 147 ms 2284 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 2260 KB Output is correct
2 Correct 15 ms 2284 KB Output is correct
3 Correct 4 ms 2260 KB Output is correct
4 Correct 14 ms 2280 KB Output is correct
5 Correct 37 ms 2260 KB Output is correct
6 Correct 18 ms 2280 KB Output is correct
7 Correct 17 ms 2260 KB Output is correct
8 Correct 34 ms 2280 KB Output is correct
9 Correct 27 ms 2260 KB Output is correct
10 Correct 64 ms 2284 KB Output is correct
11 Correct 84 ms 2264 KB Output is correct
12 Correct 73 ms 2264 KB Output is correct
13 Correct 55 ms 2260 KB Output is correct
14 Correct 70 ms 2264 KB Output is correct
15 Correct 87 ms 2260 KB Output is correct
16 Correct 71 ms 2276 KB Output is correct
17 Correct 39 ms 2260 KB Output is correct
18 Correct 51 ms 2260 KB Output is correct
19 Correct 56 ms 2260 KB Output is correct
20 Correct 63 ms 2260 KB Output is correct
21 Incorrect 147 ms 2284 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 2260 KB Output is correct
2 Correct 15 ms 2284 KB Output is correct
3 Correct 4 ms 2260 KB Output is correct
4 Correct 14 ms 2280 KB Output is correct
5 Correct 37 ms 2260 KB Output is correct
6 Correct 18 ms 2280 KB Output is correct
7 Correct 17 ms 2260 KB Output is correct
8 Correct 34 ms 2280 KB Output is correct
9 Correct 27 ms 2260 KB Output is correct
10 Correct 64 ms 2284 KB Output is correct
11 Correct 84 ms 2264 KB Output is correct
12 Correct 73 ms 2264 KB Output is correct
13 Correct 55 ms 2260 KB Output is correct
14 Correct 70 ms 2264 KB Output is correct
15 Correct 87 ms 2260 KB Output is correct
16 Correct 71 ms 2276 KB Output is correct
17 Correct 39 ms 2260 KB Output is correct
18 Correct 51 ms 2260 KB Output is correct
19 Correct 56 ms 2260 KB Output is correct
20 Correct 63 ms 2260 KB Output is correct
21 Incorrect 147 ms 2284 KB Output isn't correct
22 Halted 0 ms 0 KB -