oj.uz

Submission #566677

# Submission time Handle Problem Language Result Execution time Memory
566677 2022-05-22T15:52:58 Z Rifal Bootfall (IZhO17_bootfall) C++14
13 / 100
 122 ms 2296 KB 
#include <bits/stdc++.h>
#include <fstream>
#define endl '\n'
#define mod 998244353
#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(long long x)
{
    for(int i = M-1; i >= x; i--)
    {
        dp[i] += dp[i-x]%mod;
        dp[i] %= mod;
    }
}
void remo(long long 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;
    long long 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 16 ms 2260 KB Output is correct
2 Correct 17 ms 2284 KB Output is correct
3 Correct 3 ms 2260 KB Output is correct
4 Correct 9 ms 2260 KB Output is correct
5 Correct 24 ms 2260 KB Output is correct
6 Correct 16 ms 2260 KB Output is correct
7 Correct 13 ms 2260 KB Output is correct
8 Correct 27 ms 2296 KB Output is correct
9 Correct 20 ms 2288 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2260 KB Output is correct
2 Correct 17 ms 2284 KB Output is correct
3 Correct 3 ms 2260 KB Output is correct
4 Correct 9 ms 2260 KB Output is correct
5 Correct 24 ms 2260 KB Output is correct
6 Correct 16 ms 2260 KB Output is correct
7 Correct 13 ms 2260 KB Output is correct
8 Correct 27 ms 2296 KB Output is correct
9 Correct 20 ms 2288 KB Output is correct
10 Correct 54 ms 2272 KB Output is correct
11 Correct 65 ms 2260 KB Output is correct
12 Correct 61 ms 2284 KB Output is correct
13 Correct 64 ms 2276 KB Output is correct
14 Correct 74 ms 2260 KB Output is correct
15 Correct 59 ms 2260 KB Output is correct
16 Correct 62 ms 2260 KB Output is correct
17 Correct 36 ms 2276 KB Output is correct
18 Correct 47 ms 2264 KB Output is correct
19 Correct 51 ms 2260 KB Output is correct
20 Correct 53 ms 2284 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2260 KB Output is correct
2 Correct 17 ms 2284 KB Output is correct
3 Correct 3 ms 2260 KB Output is correct
4 Correct 9 ms 2260 KB Output is correct
5 Correct 24 ms 2260 KB Output is correct
6 Correct 16 ms 2260 KB Output is correct
7 Correct 13 ms 2260 KB Output is correct
8 Correct 27 ms 2296 KB Output is correct
9 Correct 20 ms 2288 KB Output is correct
10 Correct 54 ms 2272 KB Output is correct
11 Correct 65 ms 2260 KB Output is correct
12 Correct 61 ms 2284 KB Output is correct
13 Correct 64 ms 2276 KB Output is correct
14 Correct 74 ms 2260 KB Output is correct
15 Correct 59 ms 2260 KB Output is correct
16 Correct 62 ms 2260 KB Output is correct
17 Correct 36 ms 2276 KB Output is correct
18 Correct 47 ms 2264 KB Output is correct
19 Correct 51 ms 2260 KB Output is correct
20 Correct 53 ms 2284 KB Output is correct
21 Incorrect 122 ms 2260 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2260 KB Output is correct
2 Correct 17 ms 2284 KB Output is correct
3 Correct 3 ms 2260 KB Output is correct
4 Correct 9 ms 2260 KB Output is correct
5 Correct 24 ms 2260 KB Output is correct
6 Correct 16 ms 2260 KB Output is correct
7 Correct 13 ms 2260 KB Output is correct
8 Correct 27 ms 2296 KB Output is correct
9 Correct 20 ms 2288 KB Output is correct
10 Correct 54 ms 2272 KB Output is correct
11 Correct 65 ms 2260 KB Output is correct
12 Correct 61 ms 2284 KB Output is correct
13 Correct 64 ms 2276 KB Output is correct
14 Correct 74 ms 2260 KB Output is correct
15 Correct 59 ms 2260 KB Output is correct
16 Correct 62 ms 2260 KB Output is correct
17 Correct 36 ms 2276 KB Output is correct
18 Correct 47 ms 2264 KB Output is correct
19 Correct 51 ms 2260 KB Output is correct
20 Correct 53 ms 2284 KB Output is correct
21 Incorrect 122 ms 2260 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2260 KB Output is correct
2 Correct 17 ms 2284 KB Output is correct
3 Correct 3 ms 2260 KB Output is correct
4 Correct 9 ms 2260 KB Output is correct
5 Correct 24 ms 2260 KB Output is correct
6 Correct 16 ms 2260 KB Output is correct
7 Correct 13 ms 2260 KB Output is correct
8 Correct 27 ms 2296 KB Output is correct
9 Correct 20 ms 2288 KB Output is correct
10 Correct 54 ms 2272 KB Output is correct
11 Correct 65 ms 2260 KB Output is correct
12 Correct 61 ms 2284 KB Output is correct
13 Correct 64 ms 2276 KB Output is correct
14 Correct 74 ms 2260 KB Output is correct
15 Correct 59 ms 2260 KB Output is correct
16 Correct 62 ms 2260 KB Output is correct
17 Correct 36 ms 2276 KB Output is correct
18 Correct 47 ms 2264 KB Output is correct
19 Correct 51 ms 2260 KB Output is correct
20 Correct 53 ms 2284 KB Output is correct
21 Incorrect 122 ms 2260 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2260 KB Output is correct
2 Correct 17 ms 2284 KB Output is correct
3 Correct 3 ms 2260 KB Output is correct
4 Correct 9 ms 2260 KB Output is correct
5 Correct 24 ms 2260 KB Output is correct
6 Correct 16 ms 2260 KB Output is correct
7 Correct 13 ms 2260 KB Output is correct
8 Correct 27 ms 2296 KB Output is correct
9 Correct 20 ms 2288 KB Output is correct
10 Correct 54 ms 2272 KB Output is correct
11 Correct 65 ms 2260 KB Output is correct
12 Correct 61 ms 2284 KB Output is correct
13 Correct 64 ms 2276 KB Output is correct
14 Correct 74 ms 2260 KB Output is correct
15 Correct 59 ms 2260 KB Output is correct
16 Correct 62 ms 2260 KB Output is correct
17 Correct 36 ms 2276 KB Output is correct
18 Correct 47 ms 2264 KB Output is correct
19 Correct 51 ms 2260 KB Output is correct
20 Correct 53 ms 2284 KB Output is correct
21 Incorrect 122 ms 2260 KB Output isn't correct
22 Halted 0 ms 0 KB -