Submission #650989

#	Time	Username	Problem	Language	Result	Execution time	Memory
650989		ktkerem	Kamenčići (COCI21_kamencici)	C++17	70 / 70	190 ms	365632 KiB

Main

/*#pragma GCC target ("avx2")
#pragma GCC optimize ("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")/**/
#include<bits/stdc++.h>
/**/
//typedef int ll;
typedef long long ll;
typedef unsigned long long ull;
/*typedef __int128 vll;
typedef unsigned __int128 uvll;*/
#define llll std::pair<ll , ll>
#define pb push_back
#define pf push_front
#define halo cout << "hello\n"
#define fi first
#define sec second
#define all(a) a.begin() , a.end()
const ll limit = 1e15+7; 
const ll ous = 2e5 + 7;
const ll dx[4] = {-1 , 0 , 1 , 0} , dy[4] = {0,1,0,-1};
std::vector<ll> ar(360);
ll dp[360][360][360];
ll n , k;
ll solv(ll i , ll j , ll tkz){
    ll p = dp[i][j][tkz];
    if(p == -1){
        ll bp = (i == 0?0:ar[i-1]) + (ar[n-1] - ar[j]) - tkz;
        if(tkz >= k){
            p = 0;
        }
        else if(bp >= k){
            p = 1;
        }
        else{
            if(!solv(i+1 , j , bp) || !solv(i , j-1 , bp)){
                p = 1;
            }
            else{
                p = 0;
            }
        }
    }
    dp[i][j][tkz] = p;
    return p;
}
void solve(){
    std::cin >> n >> k;
    std::string h;std::cin >> h;
    h.pb('0');
    memset(dp , -1 , sizeof(dp));
    ar[0] = h[0] == 'C';
    for(ll i = 1;n>=i;i++){
        ar[i] = ar[i-1] + (h[i] == 'C');
    }
    ll u = solv(0 , n-1 , 0);
    if(u){
        std::cout << "DA\n";
    }
    else{
        std::cout << "NE\n";
    }
    return;/**/
}
signed main(){
    std::ios_base::sync_with_stdio(false);std::cin.tie(NULL);
    ll t=1;
    //std::cin >> t;
    ll o = 1;
    while(t--){ 
        //cout << "Case " << o++ << ":\n";
        solve();
    }
    return 0;
}

Compilation message (stderr)

Main.cpp:5:78: warning: "/*" within comment [-Wcomment]
    5 | #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")/**/
      |                                                                               
Main.cpp: In function 'int main()':
Main.cpp:70:8: warning: unused variable 'o' [-Wunused-variable]
   70 |     ll o = 1;
      |        ^

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