Submission #140677

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
140677	2019-08-04 12:26:37	khrbuddy03	문명 (KOI17_civilization)	C++14	54 / 100	1080 ms	70168 KiB

civilization

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#include <bits/stdc++.h>
using namespace std;
const int inf = 2e3 + 9;
const int dx[4] = {-1, 1, 0, 0};
const int dy[4] = {0, 0, -1, 1};
struct ds {
    int par[inf * inf], siz[inf * inf], rank[inf * inf];
    int find(int u) {
        if (u == par[u]) return u;
        return par[u] = find(par[u]);
    }
    void merge(int u, int v) {
        u = find(u); v = find(v);
        if (u == v) return;
        if (rank[u] > rank[v]) swap(u, v);
        par[u] = v;
        siz[v] += siz[u];
        siz[u] = 0;
        if (rank[u] == rank[v]) rank[v]++;
    }
} cul;
int n, m;
int vis[inf][inf];
int main() {
    ios::sync_with_stdio(0);
 
 
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• Subtask 1: 19 / 19
• Subtask 2: 35 / 35
• Subtask 3: 0 / 46