Submission #1120406

#	Time	Username	Problem	Language	Result	Execution time	Memory
1120406		vjudge1	KOVANICE (COI15_kovanice)	C++17	50 / 100	104 ms	15844 KiB

kovanice

// author - alimammadzade

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

const int N = 3e5 + 3;
vector<int> g[N];
bool vis[N];
int res[N], n, m, v, k1 = N - 2, k2 = N - 1, 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 {
            g[k1].push_back(a);
            g[k2].push_back(b);
        }
    }
    dfs(k1, 1);
    dfs(k2, 2);
    for (int i = 1; i <= m; i++)
        if (res[i]) cout << 'K' << res[i] << '\n';
        else cout << "?\n";
}

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