Submission #219529

#	Time	Username	Problem	Language	Result	Execution time	Memory
219529		Haunted_Cpp	Relativnost (COCI15_relativnost)	C++17	42 / 140	649 ms	768 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};

// 30 Pts - Dynamic Programming to count the ways O ( N * Q * C).

const int MOD = 10007;
const int N = 1e3 + 1;
const int C = 20 + 1;

void add (int &a, int b) {
  a += b;
  if (a >= MOD) a -= MOD;
}

int mult (int a, int b) {
  int res = a * b;
  if (res >= MOD) res %= MOD;
  return res;
}

int n, c;
int dp [N][C], cor [N], incolor[N];

int solve (int p = 0, int has = 0) {
  if (p >= n) return (has >= c);
  int &res = dp[p][has];
  if (~res) return res;
  res = 0;
  add (res, mult (incolor[p], solve (p + 1, has)));
  add (res, mult (cor[p], solve (p + 1, min (20, has + 1))));
  return res;
}

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;
  }
  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);
    FOR (i, 0, N) {
      F0R (j, C) {
        dp[i][j] = -1;
      }
    }
    cout << solve () << '\n';
  }
  return 0;
}

• Subtask 1: 42 / 140