Submission #467313

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
467313	2021-08-22 13:35:16	phathnv	Paint (COI20_paint)	C++11	100 / 100	2041 ms	36612 KiB

paint

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#include <bits/stdc++.h>
using namespace std;
const int N = 200000;
const int BLOCKSIZE = 444;
int m, n, q, curInd;
vector<vector<int>> ind;
vector<int> adj[N];
map<int, vector<int>> s[N];
int root[N], sz[N], col[N];
void MergeMap(int u, int v) {
    for (auto &p : s[v]) {
        for (int x : p.second)
            s[u][p.first].push_back(x);
    }
    s[v].clear();
}
int FindRoot(int u) {
    if (u == root[u])
        return u;
    return root[u] = FindRoot(root[u]);
}
void Merge(int u, int v) {
    u = FindRoot(u);
    v = FindRoot(v);
    if (u == v)
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 9 / 9
• Subtask 3: 31 / 31
• Subtask 4: 52 / 52