Submission #1139441

#	Time	Username	Problem	Language	Result	Execution time	Memory
1139441		THXuan	Relativnost (COCI15_relativnost)	C++20	140 / 140	1536 ms	13360 KiB

relativnost

#include <iostream>
#include <vector>
#include <algorithm>
#include <queue>
#include <set>
#include <map>
#define INF 1e9
typedef long long ll;
using namespace std;

const int MOD = 10007;
const int MAX = 1e5 + 5;
int c;
int sTree[21][MAX << 2];

int add(int x, int y) {
    return x + y >= MOD ? (x + y) - MOD : x + y;
}

int mul(int x, int y) {
    return x * y % MOD;
}

void Build(int node, int l, int r, pair<int, int> v[]) {
    if (l == r) {
        sTree[1][node] = v[l].first % MOD;
        sTree[0][node] = v[l].second % MOD;
    }
    else {
        int mid = (l + r) >> 1;
        Build(node << 1, l, mid, v);
        Build(node << 1 | 1, mid + 1, r, v);
        for (int i = 0; i <= c; ++i) {
            sTree[i][node] = 0;
        }
        for (int i = 0; i <= c; ++i) {
            for (int j = 0; j <= c; ++j) {
                sTree[min(i + j, c)][node] = add(sTree[min(i + j, c)][node], mul(sTree[i][node << 1], sTree[j][node << 1 | 1]));
            }
        }
    }
}
void Update(int node, int l, int r, int pos, pair<int, int>& val) {
    if (l == r) {
        sTree[1][node] = val.first % MOD;
        sTree[0][node] = val.second % MOD;
    }
    else {
        int mid = (l + r) >> 1;
        if (pos <= mid) {
            Update(node << 1, l, mid, pos, val);
        }
        else {
            Update(node << 1 | 1, mid + 1, r, pos, val);
        }
        for (int i = 0; i <= c; ++i) {
            sTree[i][node] = 0;
        }
        for (int i = 0; i <= c; ++i) {
            for (int j = 0; j <= c; ++j) {
                sTree[min(i + j, c)][node] = add(sTree[min(i + j, c)][node], mul(sTree[i][node << 1], sTree[j][node << 1 | 1]));
            }
        }
    }
}
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n >> c;
    pair<int, int> v[n + 1];
    for (int i = 1; i <= n; ++i) {
        cin >> v[i].first;
    }
    for (int i = 1; i <= n; ++i) {
        cin >> v[i].second;
    }
    Build(1, 1, n, v);
    int q;
    cin >> q;
    while (q--) {
        int indx, f, s;
        cin >> indx >> f >> s;
        pair<int, int>p = { f, s };
        Update(1, 1, n, indx, p);
        int res = sTree[c][1];
        cout << res << '\n';
    }
}

• Subtask 1: 140 / 140