Submission #682632

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
682632	2023-01-16 16:05:42	Alex_tz307	Anagramistica (COCI21_anagramistica)	C++17	110 / 110	10 ms	14292 KiB

anagramistica

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#include <bits/stdc++.h>
 
using namespace std;
 
const int mod = 1e9 + 7;
const int N = 2e3;
int dp[1 + N], C[1 + N][1 + N];
 
void addSelf(int &x, int y) {
  x += y;
  if (x >= mod) {
    x -= mod;
  }
}
 
int add(int x, int y) {
  addSelf(x, y);
  return x;
}
 
int mult(int x, int y) {
  return (int64_t)x * y % mod;
}
 
void precalc(int n) {
  for (int i = 0; i <= n; ++i) {
    C[i][0] = 1;
 
    for (int j = 1; j <= i; ++j) {
      C[i][j] = add(C[i - 1][j - 1], C[i - 1][j]);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 30 / 30
• Subtask 3: 70 / 70