Submission #251662

#	Time	Username	Problem	Language	Result	Execution time	Memory
251662		Vimmer	Relativnost (COCI15_relativnost)	C++14	42 / 140	4096 ms	21368 KiB

relativnost

#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//
//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")

#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define pf push_front
#define N 100010
#define M ll(10007)
#define inf 1e9 + 1e9

using namespace std;
//using namespace __gnu_pbds;

typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef short int si;
typedef array <int, 3> a3;
typedef array <int, 4> a4;
typedef pair <int, int> pt;
//typedef tree <int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;



ll f[N][25];

ll sm(ll x, ll y) {return (x + y) % M;}

ll mlt(ll x, ll y) {return (x * y) % M;}

int main()
{
    //freopen("mining.in", "r", stdin); freopen("mining.out", "w", stdout);

    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int n, c;

    cin >> n >> c;

    ll a[n], b[n];

    for (int i = 0; i < n; i++) cin >> a[i];

    for (int i = 0; i < n; i++) cin >> b[i];

    int q;

    cin >> q;

    for (; q > 0; q--)
    {
        int x, l, r;

        cin >> x >> l >> r;

        x--;

        a[x] = l; b[x] = r;

        memset(f, 0, sizeof(f));

        f[0][0] = 1;

        for (int i = 0; i < n; i++)
            for (int j = 0; j <= c; j++)
            {
                f[i + 1][j] = sm(f[i + 1][j], mlt(f[i][j], b[i]));

                int nj = min(j + 1, c);

                f[i + 1][nj] = sm(f[i + 1][nj], mlt(f[i][j], a[i]));
            }

        cout << f[n][c] << endl;
    }
}

• Subtask 1: 42 / 140