Submission #675846

#	Time	Username	Problem	Language	Result	Execution time	Memory
675846		Tangirkul	Kutije (COCI21_kutije)	C++17	70 / 70	167 ms	17632 KiB

Main

#include<bits/stdc++.h>
  
#define ll long long
#define fi first
#define se second
#define pb push_back
#define sz size
#define Junanna ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
  
using namespace std;
  
const ll K = 32;
const ll INF = 1e9 + 7;
const ll MOD = 1e9 + 7;
const ll N = (1e5 + 125);

ll n, m, q;
vector <ll> g[1007];
ll p[1007];
bool used[1007];

void dfs (ll v, ll st)
{
    p[v] = st;
    used[v] = 1;
    for (ll i = 0; i < g[v].sz (); i++)
    {
        ll to = g[v][i];
        if (!used[to])
        {
            dfs (to, st);
        }
    }
}
 
void ma1n ()
{
    cin >> n >> m >> q;
    for (ll j = 1; j <= m; j++)
    {
        for (ll i = 1; i <= n; i++)
        {
            ll p;
            cin >> p;
            g[i].pb (p);
        }
    }
    for (ll i = 1; i <= n; i++)
    {
        if (!used[i])
        {
            dfs (i, i);
        }
    }
    for (ll i = 1; i <= q; i++)
    {
        ll a, b;
        cin >> a >> b;
        if (p[a] == p[b])
        {
            cout << "DA\n";
        }
        else
        {
            cout << "NE\n";
        }
    }
}
    
int main ()
{
    Junanna;
    ll t = 1;
    while (t--)
    {
        ma1n ();
    }
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'void dfs(long long int, long long int)':
Main.cpp:26:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     for (ll i = 0; i < g[v].sz (); i++)
      |                    ~~^~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 35 / 35