Submission #114320

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
114320	2019-05-31 21:03:12	MohamedAhmed04	K blocks (IZhO14_blocks)	C++14	100 / 100	694 ms	80760 KiB

blocks

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#include <bits/stdc++.h>
 
using namespace std ;
 
stack<int>s ;
 
int main()
{
  int n , k ;
  scanf("%d %d" , &n , &k) ;
  int arr[n+1] ;
  for(int i = 1 ; i <= n ; ++i)
    scanf("%d" , &arr[i]) ;
  int dp[n+1][k+1] ;
  int chosen[n+1][k+1] ;
  dp[0][1] = 0 ;
  for(int i = 1 ; i <= n ; ++i)
    dp[i][1] = max(arr[i] , dp[i-1][1]) , chosen[i][1] = dp[i][1];
  for(int j = 2 ; j <= k ; ++j)
  {
        while(s.size() > 0)
          s.pop() ;
    for(int i = j ; i <= n ; ++i)
    {
      dp[i][j] = dp[i-1][j-1] + arr[i] ;
      chosen[i][j] = arr[i] ;
      while(s.size() > 0)
      {
        int idx = s.top() ;
        if(arr[idx] <= arr[i])
 
 
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Compilation message (stderr)

blocks.cpp: In function 'int main()':
blocks.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d" , &n , &k) ;
  ~~~~~^~~~~~~~~~~~~~~~~~~
blocks.cpp:13:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d" , &arr[i]) ;
   ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 18 / 18
• Subtask 3: 21 / 21
• Subtask 4: 47 / 47