Submission #64796

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
64796	2018-08-05 16:43:28	kjp4155	족보 (KOI18_family)	C++17	100 / 100	753 ms	98900 KiB

family

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#include <stdio.h>
#include <algorithm>
#include <utility>
#include <vector>
using namespace std;
typedef pair<int,int> Pi;
/* Union Find data structure */
int pa[300500], cnt[300500]; 
int find(int x){
  if( pa[x] == x ) return x;
  return pa[x] = find(pa[x]);
}
void uni(int a, int b){
  a = find(a); b = find(b);
  if( a == b ) return;
  pa[a] = b;
  cnt[b] += cnt[a];
}
struct event{
  int t, len, level, node;
  // Smaller event first. Deeper event first. 
  bool operator < (event e){
    if( len != e.len ) return len < e.len;
    return level > e.level;
  }
};
 
 
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Compilation message (stderr)

family.cpp: In function 'int main()':
family.cpp:56:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d",&N[0],&N[1],&K);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
family.cpp:64:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    int x; scanf("%d",&x);
           ~~~~~^~~~~~~~~

• Subtask 1: 17 / 17
• Subtask 2: 27 / 27
• Subtask 3: 15 / 15
• Subtask 4: 41 / 41