Submission #226179

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
226179	2020-04-22 18:06:17	Minnakhmetov	Making Friends on Joitter is Fun (JOI20_joitter2)	C++14	0 / 100	5 ms	384 KiB

joitter2

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define all(aaa) aaa.begin(), aaa.end()
const int N = 2005;
bool gr[N][N], ing[N][N], mem[N][N];
int w[N];
ll ans = 0;
int n, m;
int find_set(int x) {
  return w[x] < 0 ? x : w[x] = find_set(w[x]);
}
void mrg(int x, int y) {
  x = find_set(x);
  y = find_set(y);
  if (x == y)
    return;
  if (w[x] > w[y]) {
    swap(x, y);
  }
  ans -= w[x] * (w[x] + 1);
  ans -= w[y] * (w[y] + 1);
 
 
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• Subtask 1: 0 / 1
• Subtask 2: 0 / 16
• Subtask 3: 0 / 83