Submission #855040


Source Code Expand

Copy
# include <bits/stdc++.h>
using namespace std;
# define fi cin
# define fo cout
# define x first
# define y second
# define ll long long
# define IOS ios_base :: sync_with_stdio(0)
# define CF
ll dp[55][2555];
int main(void)
{
    #ifdef CF
    #endif // CF
    srand(time(0));
    fo << fixed << setprecision(7);
    cerr << fixed << setprecision(7);
    dp[0][0] = 1;
    int n,A;
    fi>>n>>A;
    for (int t = 1;t <= n;++t)
    {
        int v;
        fi>>v;
        for (int k = t;k;--k)
            for (int i = n * 50;i >= v;--i)
                dp[k][i] += dp[k - 1][i - v];
    }
    ll ans = 0;
    for (int i = 1;i <= n;++i)
        ans += dp[i][i * A];
    fo << ans << '\n';
    return 0;
}


Submission Info

Submission Time
Task C - Tak and Cards
User reality
Language C++14 (GCC 5.4.1)
Score 300
Code Size 743 Byte
Status AC
Exec Time 13 ms
Memory 1280 KB

Judge Result

Set Name Sample Subtask1 All
Score / Max Score 0 / 0 200 / 200 100 / 100
Status
AC × 4
AC × 12
AC × 24
Set Name Test Cases
Sample example_01.txt, example_02.txt, example_03.txt, example_04.txt
Subtask1 example_01.txt, example_02.txt, example_03.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt
All example_01.txt, example_02.txt, example_03.txt, example_04.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask2_01.txt, subtask2_02.txt, subtask2_03.txt, subtask2_04.txt, subtask2_05.txt, subtask2_06.txt, subtask2_07.txt, subtask2_08.txt, subtask2_09.txt, subtask2_10.txt, subtask2_11.txt
Case Name Status Exec Time Memory
example_01.txt AC 4 ms 256 KB
example_02.txt AC 4 ms 256 KB
example_03.txt AC 4 ms 256 KB
example_04.txt AC 7 ms 768 KB
subtask1_01.txt AC 4 ms 384 KB
subtask1_02.txt AC 4 ms 384 KB
subtask1_03.txt AC 4 ms 384 KB
subtask1_04.txt AC 4 ms 384 KB
subtask1_05.txt AC 4 ms 384 KB
subtask1_06.txt AC 4 ms 256 KB
subtask1_07.txt AC 4 ms 256 KB
subtask1_08.txt AC 4 ms 384 KB
subtask1_09.txt AC 4 ms 384 KB
subtask2_01.txt AC 12 ms 1280 KB
subtask2_02.txt AC 13 ms 1280 KB
subtask2_03.txt AC 12 ms 1280 KB
subtask2_04.txt AC 12 ms 1280 KB
subtask2_05.txt AC 12 ms 1280 KB
subtask2_06.txt AC 13 ms 1280 KB
subtask2_07.txt AC 12 ms 1280 KB
subtask2_08.txt AC 7 ms 768 KB
subtask2_09.txt AC 7 ms 768 KB
subtask2_10.txt AC 9 ms 1024 KB
subtask2_11.txt AC 10 ms 1152 KB