Submission #373694

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
373694	2021-03-05 12:51:48	morato	Mate (COCI18_mate)	C++17	40 / 100	36 ms	18412 KiB

mate

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#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1e9 + 7;
long long dp[55][55][26][26], sum[55][55][26]; // sum[sz][x] = soma dos dp[sz][K][x]
long long mod(long long a, long long b) {
  a %= b;
  if (a < 0) a += b;
  return a;
}
void add_self(long long& a, long long b) {
  a = mod(a + b, MOD);
}
/*
  dp[ t ][ x ][ y ] = numero de sequencias de tamanho t ate r que terminam em xy
  calculo pra cada r ^ e somo em sum[ t ][ x ][ y ]
*/
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  string str; cin >> str;
  int n = (int) str.size();
  dp[0][0][0][0] = sum[0][0][0] = 1;
  for (int r = 0; r < n; r++) {
    // vou adicionar o str[r] para buildar um novo bloco
 
 
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• Subtask 1: 40 / 100