Submission #229942

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
229942	2020-05-07 07:45:38	frodakcin	Editor (BOI15_edi)	C++11	100 / 100	270 ms	68728 KiB

edi

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#include <cstdio>
#include <cstring>
#include <set>
#include <functional>
#include <vector>
#include <algorithm>
const int MN = 3e5+10;
int N, a[MN], b[MN][20], g[MN][20], d[MN];
bool e[MN];
std::set<int, std::greater<int>, std::allocator<int> > f;
std::vector<int> c[MN];
void dfs(int n, int v)
{
  d[n]=v;
  for(int x:c[n])
    dfs(x, v);
}
int main(void)
{
  scanf("%d", &N);
  for(int i=0;i<N;++i) scanf("%d", a+i);
  memset(b, -1, sizeof b);
  for(int i=0,j,x;i<N;++i)
  {
    if(a[i]<0)
    {
      j=0, x=i-1;
      for(;~b[x][j];++j);
      for(--j;j>=0;--j)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

edi.cpp: In function 'int main()':
edi.cpp:21:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
edi.cpp:22:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0;i<N;++i) scanf("%d", a+i);
                       ~~~~~^~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 15 / 15
• Subtask 3: 28 / 28
• Subtask 4: 37 / 37