Submission #869539

#	Time	Username	Problem	Language	Result	Execution time	Memory
869539		JoksimKaktus	Kamenčići (COCI21_kamencici)	C++17	70 / 70	38 ms	183124 KiB

Main

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

int dp [360][360][360];
int pre[360];
int n,k;
string s;

bool find(int l,int r,int m){
    if(dp[l][r][m] != -1)return dp[l][r][m];
    int h = pre[n] - m - (pre[r]-pre[l-1]);
    if(m >= k){
        return dp[l][r][m] = false;
    }else if(h >= k){
        return dp[l][r][m] = true;
    }else{
        return dp[l][r][m] = !find(l+1,r,h) || !find(l,r-1,h);
    }
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(0);
    cin >> n >> k >> s;
    pre[0]=0;
    s = " " + s;
    for(int i = 1;i <= n;i++){
        pre[i]=pre[i-1] + (s[i] == 'C');
    }
    memset(dp,-1,sizeof dp);
    bool da = find(1,n,0);
    da ? cout << "DA" : cout << "NE";
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'bool find(int, int, int)':
Main.cpp:15:28: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   15 |         return dp[l][r][m] = false;
      |                ~~~~~~~~~~~~^~~~~~~
Main.cpp:17:28: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   17 |         return dp[l][r][m] = true;
      |                ~~~~~~~~~~~~^~~~~~
Main.cpp:19:28: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   19 |         return dp[l][r][m] = !find(l+1,r,h) || !find(l,r-1,h);
      |                ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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