Submission #1120356

#	Time	Username	Problem	Language	Result	Execution time	Memory
1120356		vjudge1	KOVANICE (COI15_kovanice)	C++17	0 / 100	100 ms	15800 KiB

kovanice

// author - alimammadzade

#include <bits/stdc++.h>
using namespace std;

const int N = 3e5 + 1;
vector<int> g[N];
bool vis[N];
int res[N], n, m, v, k1, k2, a, b;

void dfs(int u, int k) {
    res[u] = k;
    vis[u] = 1;
    for (int v : g[u])
        if (!vis[v])
            dfs(v, k);
}

signed main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    // system("cls"), freopen("in.txt", "r", stdin);
    cin >> n >> m >> v;
    while (v--) {
        char c;
        cin >> a >> c >> b;
        if (c == '=') {
            g[a].push_back(b);
            g[b].push_back(a);
        }
        else {
            k1 = a;
            k2 = b;
        }
    }
    if (k1) dfs(k1, 1);
    if (k2) dfs(k2, 2);
    for (int i = 1; i <= m; i++)
        if (res[i]) cout << 'K' << res[i] << '\n';
        else cout << "?\n";
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 40
• Subtask 3: 0 / 10
• Subtask 4: 0 / 40