Submission #60226

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
60226	2018-07-23 21:57:40	IvanC	Growing Trees (BOI11_grow)	C++17	100 / 100	495 ms	42524 KiB

grow

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#include <bits/stdc++.h>
using namespace std;
typedef struct node* pnode;
struct node{
  pnode l,r;
  int key,prior,size,lazy;
  node(int _key){
    l = r = NULL;
    key = _key;
    prior = rand();
    size = 1;
    lazy = 0;
  }
};
int sz(pnode t){
  if(t == NULL) return 0;
  return t->size;
}
void update(pnode t){
  if(t) t->size = sz(t->l) + 1 + sz(t->r);
}
void propagate(pnode t){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

grow.cpp: In function 'int main()':
grow.cpp:140:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&N,&M);
  ~~~~~^~~~~~~~~~~~~~~
grow.cpp:143:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&x);
   ~~~~~^~~~~~~~~
grow.cpp:150:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf(" %c %d %d",&op,&a,&b);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• 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: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10