제출 #23511

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
23511	2017-05-11 18:11:58	gs14004	통행료 (APIO13_toll)	C++11	100 / 100	1856 ms	13844 KiB

toll

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#include <bits/stdc++.h>
using namespace std;
typedef long long lint;
typedef pair<int, int> pi;
 
struct disj{
  int pa[100005];
  void init(int n){
    for(int i=1; i<=n; i++){
      pa[i] = i;
    }
  }
  int find(int x){
    return pa[x] = (pa[x] == x ? x : find(pa[x]));
  }
  bool uni(int p, int q){
    p = find(p);
    q = find(q);
    if(p == q) return 0;
    pa[q] = p; return 1;
  }
}disj;
 
struct edg{
  int s, e, x;
  bool operator<(const edg &e)const{
    return x < e.x;
  }
}a[300005];
 
 
 
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컴파일 시 표준 에러 (stderr) 메시지

toll.cpp: In function 'int main()':
toll.cpp:139:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d",&n,&m,&k);
                            ^
toll.cpp:141:46: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d",&a[i].s, &a[i].e, &a[i].x);
                                              ^
toll.cpp:144:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&s[i],&e[i]);
                             ^
toll.cpp:147:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&c[i]);
                    ^

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• Subtask 2: 18 / 18
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