Submission #965024

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
965024	2024-04-18 03:19:17	abczz	Lamps (JOI19_lamps)	C++14	100 / 100	431 ms	98456 KiB

lamp

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#include <iostream>
#include <vector>
#include <array>
#include <queue>
#define ll long long
using namespace std;
ll n, f = 1e18, dp[1000000][12];
string S, T;
ll get(ll u, vector <ll> state) {
  ll mn = 1e18;
  for (auto v : state) mn = min(mn, dp[u][v]);
  return mn;
}
int main() {
  cin.tie(0);
  ios::sync_with_stdio(0);
  cin >> n >> S >> T;
  for (int i=0; i<n; ++i) {
    for (int j=0; j<12; ++j) dp[i][j] = 1e18;
    if (S[i] != T[i]) {
      if (!i) dp[i][2] = 1;
      else dp[i][2] = min(get(i-1, {2, 3, 4, 5, 6, 7, 8}), get(i-1, {0, 1, 9, 10, 11})+1);
    }
    else {
      if (!i) dp[i][9] = 0;
      else {
        for (int j=0; j<12; ++j) {
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 41 / 41
• Subtask 3: 4 / 4
• Subtask 4: 49 / 49