# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1021699 | idiotcomputer | Pipes (CEOI15_pipes) | C++11 | 697 ms | 65536 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define sz size
const int mxN = 1e5;
int n,m;
int p[2*mxN];
int gpar(const int &c){
if (p[c] == c) return c;
p[c] = gpar(p[c]);
return p[c];
}
bool ss(const int &a, const int &b){
return gpar(a) == gpar(b);
}
void un(const int &a, const int &b){
p[gpar(a)] = gpar(b);
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> n >> m;
for (int i = 0; i < 2*n; i++) p[i] = i;
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