Submission #651059

#	Time	Username	Problem	Language	Result	Execution time	Memory
651059		ktkerem	Kutije (COCI21_kutije)	C++17	70 / 70	151 ms	9424 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<std::pair<ll , std::string>> ar;
std::vector<ll> par , siz;
ll n , m , q;
ll fin(ll x){
    if(par[x] == x){
        return x;
    }
    return par[x] = fin(par[x]);
}
void merge(ll x , ll y){
    x = fin(x);y = fin(y);
    if(x !=y){
        if(siz[y] > siz[x]){
            std::swap(x , y);
        }
        siz[x]+=siz[y];
        par[y] = x;
    }
}
void solve(){
    std::cin >> n >> m >> q;
    par.resize(n+5);
    siz.resize(n+5 , 1);
    for(ll i = 0 ;n>=i;i++){
        par[i] = i;
    }
    for(ll i = 0;m>i;i++){
        for(ll j = 0;n>j;j++){
            ll x;std::cin >> x;
            merge(j+1 , x);
        }
    }
    while(q--){
        ll x , y;std::cin >> x >> y;
        if(fin(x) == fin(y)){
            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: 15 / 15
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 35 / 35