Submission #431626

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
431626	2021-06-17 13:49:12	rainboy	Simurgh (IOI17_simurgh)	C++98	51 / 100	210 ms	3404 KiB

simurgh

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#include "simurgh.h"
#include <string.h>
using namespace std;
#define N 240
#define M (N * (N - 1) / 2)
typedef vector<int> vi;
int ds[N];
int find(int i) {
  return ds[i] < 0 ? i : (ds[i] = find(ds[i]));
}
int join(int i, int j) {
  i = find(i);
  j = find(j);
  if (i == j)
    return 0;
  if (ds[i] > ds[j])
    ds[i] = j;
  else {
    if (ds[i] == ds[j])
      ds[i]--;
    ds[j] = i;
  }
  return 1;
}
 
 
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