Submission #163518

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
163518	2019-11-13 17:18:28	faremy	Teleporters (IOI08_teleporters)	C++14	100 / 100	475 ms	29688 KiB

teleporters

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#include <iostream>
#include <algorithm>
#include <vector>
const int MAXN = 2e6 + 2;
int warp[MAXN], next[MAXN];
bool seen[MAXN];
std::vector<int> cycleSizes;
int floodfill(int pos)
{
  if (seen[pos])
    return 0;
  seen[pos] = true;
  return (floodfill(warp[next[pos]]) + 1);
}
int main()
{
  std::ios::sync_with_stdio(false);
  std::cout.tie(nullptr);
  std::cin.tie(nullptr);
  std::fill_n(warp, MAXN, -1);
  warp[0] = 0;
  warp[MAXN - 1] = MAXN - 1;
 
 
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