Submission #1246332

#	Time	Username	Problem	Language	Result	Execution time	Memory
1246332		PlayVoltz	Kamenčići (COCI21_kamencici)	C++20	70 / 70	170 ms	350652 KiB

Main

#include <cstdio>
#include <stdio.h>
#include <stdbool.h>
#include <iostream>
#include <map>
#include <vector>
#include <climits>
#include <stack>
#include <string>
#include <queue>
#include <algorithm>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <cmath>
#include <cctype>
#include <bitset>
#include <iomanip>
#include <cstring>
#include <numeric>
#include <cassert>
#include <random>
#include <chrono>
#include <fstream>
using namespace std;

#define int long long
#define pii pair<int, int>
#define mp make_pair
#define pb push_back
#define fi first
#define se second

int n, k, dp[355][355][355];
string s;

bool win(bool t, int l, int r, int a, int b){
	if (a>=k||b>=k)return 1;
	if (dp[l][r][a]!=-1)return dp[l][r][a];
	if (t)dp[l][r][a]=!win(!t, l+1, r, a+(s[l]=='C'), b)||!win(!t, l, r-1, a+(s[r]=='C'), b);
	else dp[l][r][a]=!win(!t, l+1, r, a, b+(s[l]=='C'))||!win(!t, l, r-1, a, b+(s[r]=='C'));
	return dp[l][r][a];
}

int32_t main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>k>>s;
	for (int i=0; i<355; ++i)for (int j=0; j<355; ++j)for (int p=0; p<355; ++p)dp[i][j][p]=-1;
	cout<<(win(1, 0, n-1, 0, 0)?"DA":"NE");
}

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 40 / 40