Submission #246251

#	Time	Username	Problem	Language	Result	Execution time	Memory
246251		bibabas	Relativnost (COCI15_relativnost)	C++14	0 / 140	4101 ms	23932 KiB

relativnost

#include <bits/stdc++.h>
 
#define ll long long
#define ull unsigned ll
#define vi vector<ll>
#define vvi vector<vi>
#define all(x) x.begin(), x.end()
#define pb push_back
#define mp make_pair
#define ld long double
#define pii pair<ll, ll>
#define mt make_tuple
#define mn(a, b) a = min(a, b)
#define mx(a, b) a = max(a, b)
 
using namespace std;
 
const ll INF = (ll)2e9;
const ll inf = (ll)2e18;
const ld eps = (ld)1e-8;
const ll mod = (ll)10007;
const ll MAXN = (ll)1e4 + 1;
const ll MAXC = (ll)1e6 + 1;
const ll MAXE = (ll)1000;
const ll MAXLOG = 21;
const ll maxlen = (ll)1e5;
const ll asci = (ll)256;
const ll block = 480;
const ld PI = acos(-1);
const ld e = 2.7182818284;
 
/*#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<
pii,
null_type,
less<pii>,
rb_tree_tag,
tree_order_statistics_node_update>
ordered_set;*/
 
template <class T>
istream& operator >>(istream &in, vector<T> &arr){
    for (T &cnt : arr) {
        in >> cnt;
    }
    return in;
};

template<class T>
istream& operator >>(istream &in, pair<T, T> &p) {
    in >> p.first;
    in >> p.second;
    return in;
};

int c;
int t[400000][21];

void merge(int v) {
    for (int i = 0; i <= 20; ++i) t[v][i] = 0;
    for (int i = 0; i <= 20; ++i) {
        for (int j = 0; j <= 20; ++j) {
            t[v][min(c, i + j)] += (t[2 * v][i] * t[2 * v + 1][j]) % mod;
            t[v][min(c, i + j)] %= mod;
        }
    }
}

void build(int v, int tl, int tr, vector<pii> &a) {
    if (tl + 1 == tr) {
        t[v][1] = a[tl].first, t[v][0] = a[tl].second;
        return;
    }
    int tm = (tl + tr) / 2;
    build(2 * v, tl, tm, a);
    build(2 * v + 1, tm, tr, a);
    merge(v);
}

void upd(int v, int tl, int tr, int pos, pii val) {
    if (tl + 1 == tr) {
        t[v][1] = val.first, t[v][0] = val.second;
        return;
    }
    int tm = (tl + tr) / 2;
    if (pos < tm) upd(2 * v, tl, tm, pos, val);
    else upd(2 * v + 1, tm, tr, pos, val);
    merge(v);
}

void solve() {
    int n; cin >> n >> c;
    vector<pii> a(n);
    cin >> a;
    build(1, 0, n, a);
    int q; cin >> q;
    while (q--) {
        int pos; pii a; cin >> pos >> a;
        pos--;
        upd(1, 0, n, pos, a);
        cout << t[1][c] << "\n";
    }
}

int main() {
    srand(time(0));
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#else
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
#endif
    cout.precision(30);
    
    solve();
 
    return 0;
}

• Subtask 1: 0 / 140