Submission #220237

#	Time	Username	Problem	Language	Result	Execution time	Memory
220237		Haunted_Cpp	Relativnost (COCI15_relativnost)	C++17	42 / 140	94 ms	17948 KiB

relativnost

#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <cassert>
#include <string>
#include <cstring>
#include <bitset>
#include <random>
#include <chrono>
#include <iomanip>
 
/*
#pragma GCC optimize ("Ofast")
#pragma GCC target("fma,sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
#pragma GCC optimize("unroll-loops")
*/
 
#define FOR(i, a, b) for(int i = a; i < (int) b; i++)
#define F0R(i, a) FOR (i, 0, a)
#define ROF(i, a, b) for(int i = a; i >= (int) b; i--)
#define R0F(i, a) ROF(i, a, 0)
#define GO(i, a) for (auto i : a)
 
#define rsz resize
#define eb emplace_back
#define pb push_back
#define sz(x) (int) x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define f first
#define s second
 
using namespace std;
 
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<pii> vpii;
typedef vector<vi> vvi;
typedef vector<vpii> vvpii;
typedef long long i64;
typedef vector<i64> vi64;
typedef vector<vi64> vvi64;
typedef pair<i64, i64> pi64;
typedef vector<pi64> vpi64;
 
const int dr[] = {+1, -1, +0, +0, +1, -1, +1, -1};
const int dc[] = {+0, +0, +1, -1, +1, -1, -1, +1};
const int ms[] = {+31, +29, +31, 30, +31, +30, +31, +31, +30, +31, +30, +31};
 
const short MOD = 1e4 + 7;
const int N = 1e5 + 1;
const short C = 21 + 1;
 
short add (short &a, short b) {
  int res = a + b;
  while (res >= MOD) res -= MOD;
  return res;
}
 
short mult (short a, short b) {
  int res = a * b;
  if (res >= MOD) res %= MOD;
  return res;
}

short sub (short &a, short b) {
  short res = a - b;
  while (res < 0) res += MOD;
  return res;
}
 
int n, c;

short cor [N], incolor[N];
short seg [4 * N][C];

void build (int l, int r, int node, int where) {
  if (l == r) {
    if (where == 0) seg[node][where] = incolor[l];
    else if (where == 1) seg[node][where] = cor[l];
    else if (where == 21) seg[node][where] = add (incolor[l], cor[l]);
    else seg[node][where] = 0;
  } else {
    int mid = l + (r - l) / 2;
    build (l, mid, 2 * node + 1, where);
    build (mid + 1, r, 2 * node + 2, where);
    if (where == 21) {
      seg[node][where] = mult (seg[2 * node + 1][where], seg[2 * node + 2][where]);
      return;
    }
    F0R (i, where + 1) {
      const int L = i;
      const int R = where - i;
      seg[node][where] = add (seg[node][where], mult (seg[2 * node + 1][L], seg[2 * node + 2][R]));
    }  
  }
}

void update (int l, int r, int node, int where, int delta) {
  if (l > delta || r < delta) return;
  if (l == delta && r == delta) {
    if (where == 0) seg[node][where] = incolor[l];
    else if (where == 1) seg[node][where] = cor[l];
    else if (where == 21) seg[node][where] = add (incolor[l], cor[l]);
    else seg[node][where] = 0;
    return;
  }
  int mid = l + (r - l) / 2;
  update (l, mid, 2 * node + 1, where, delta);
  update (mid + 1, r, 2 * node + 2, where, delta);
  if (where == 21) {
    seg[node][where] = mult (seg[2 * node + 1][where], seg[2 * node + 2][where]);
    return;
  }
  seg[node][where] = 0;
  F0R (i, where + 1) {
    const int L = i;
    const int R = where - i;
    seg[node][where] = add (seg[node][where], mult (seg[2 * node + 1][L], seg[2 * node + 2][R]));
  }
}
 
int main () {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cin >> n >> c;
  F0R (i, n) {
    cin >> cor[i];
    cor[i] %= MOD;
  }
  F0R (i, n) {
    cin >> incolor[i];
    incolor[i] %= MOD;
  }
  memset (seg, 0, sizeof(seg));
  F0R (i, C) build (0, n - 1, 0, i); 
  int q;
  cin >> q;
  while (q--) {
    int cliente, nova_cor, nova_incolor;
    cin >> cliente >> nova_cor >> nova_incolor;
    --cliente;
    cor[cliente] = (nova_cor >= MOD ? nova_cor % MOD : nova_cor);
    incolor[cliente] = (nova_incolor >= MOD ? nova_incolor % MOD : nova_incolor); 
    F0R (i, C) update (0, n - 1, 0, i, cliente);
    short res = seg[0][C - 1];
    F0R (i, c) res = sub (res, seg[0][i]);
    cout << res << '\n';
  }
  return 0;
}

• Subtask 1: 42 / 140