# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1055416 | 2024-08-12T19:02:06 Z | Hazard | Binaria (CCO23_day1problem1) | C++ | 0 ms | 0 KB |
#include <iostream> #include <vector> #include <algorithm> using namespace std; const int MOD = 1e6 + 3; int count_strings(int N, int K, vector<int>& sms) { int dp[N + 1][K + 1]; memset(dp, 0, sizeof(dp)); dp[0][0] = 1; for (int i = 0; i < N; i++) { for (int j = 0; j <= K; j++) { if (i < K) { dp[i + 1][j + 1] += dp[i][j]; dp[i + 1][j] += dp[i][j]; } else { int target = sms[i - K + 1]; if (j >= target) { dp[i + 1][j - target + 1] += dp[i][j]; } dp[i + 1][j] += dp[i][j]; } dp[i + 1][j + 1] %= MOD; dp[i + 1][j] %= MOD; } } int ans = 0; for (int i = 0; i <= K; i++) { ans += dp[N][i]; ans %= MOD; } return ans; } int main() { int N, K; cin >> N >> K; vector<int> sms(N - K + 1); for (int i = 0; i < N - K + 1; i++) { cin >> sms[i]; } int ans = count_strings(N, K, sms); cout << ans << endl; return 0; }