Submission #1156610

#	Time	Username	Problem	Language	Result	Execution time	Memory
1156610		12345678	Relativnost (COCI15_relativnost)	C++20	42 / 140	4094 ms	16824 KiB

relativnost

#include <bits/stdc++.h>

using namespace std;

#define ll long long

const int nx=1e5+5, cx=21, mod=10007;

ll n, c, dp[nx][cx], a[nx], b[nx], q, idx, x, y, res;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>c;
    for (int i=1; i<=n; i++) cin>>a[i];
    for (int i=1; i<=n; i++) cin>>b[i];
    dp[0][0]=1;
    cin>>q;
    while (q--)
    {
        cin>>idx>>x>>y;
        a[idx]=x, b[idx]=y;
        for (int i=1; i<=n; i++)
        {
            for (int j=0; j<=c; j++)
            {
                dp[i][j]=(dp[i-1][j]*b[i])%mod;
                if (j>0) dp[i][j]=(dp[i][j]+dp[i-1][j-1]*a[i])%mod;
                if (j==c) dp[i][j]=(dp[i][j]+dp[i-1][j]*a[i])%mod;
                //cout<<i<<' '<<j<<' '<<dp[i][j]<<'\n';
            }
        }
        cout<<dp[n][c]<<'\n';
    }
}

• Subtask 1: 42 / 140