Submission #418483

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
418483	2021-06-05 11:57:15	gs14004	Rooted MST (innopolis2021_final_E)	C++17	100 / 100	1000 ms	117708 KiB

Main

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// shirley smokes weed
#include <bits/stdc++.h>
#define sz(v) ((int)(v).size())
#define all(v) (v).begin(), (v).end()
using namespace std;
using lint = long long;
using pi = pair<int, int>;
const int MAXN = 600005;
struct edg{
  int s, e, x;
  bool operator<(const edg &e)const{
    return x < e.x;
  }
};
struct disj{
  int pa[MAXN];
  void init(int n){
    iota(pa, pa + n + 1, 0);
  }
  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[p] = q; return 1;
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:108:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  108 |  scanf("%d %d",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~~
Main.cpp:109:35: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  109 |  for(int i = 1; i <= n; i++) scanf("%d",&a[i]);
      |                              ~~~~~^~~~~~~~~~~~
Main.cpp:112:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  112 |   int s, e, x; scanf("%d %d %d",&s,&e,&x);
      |                ~~~~~^~~~~~~~~~~~~~~~~~~~~
Main.cpp:139:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  139 |  int Q; scanf("%d",&Q);
      |         ~~~~~^~~~~~~~~
Main.cpp:142:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  142 |   scanf("%d %d",&pos,&val);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 20 / 20
• Subtask 8: 20 / 20