Submission #123576

#	Time	Username	Problem	Language	Result	Execution time	Memory
123576		MohamedAhmed04	새로운 문제 (POI11_pio)	C++14	0 / 100	3 ms	504 KiB

pio

#include <bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC optimization ("unroll-loops")
 
using namespace std ;
 
const int MAX = 3e5 + 5 ;
 
int arr[MAX] , pref[MAX] , suff[MAX];
 
int n ;
 
int main()
{
	scanf("%d" , n) ;
	for(int i = 0 ; i < n ; ++i)
		scanf("%d" , &arr[i]) ;
	for(int i = 0 ; i < n ; ++i)
	{
		for(int j = 1 ; i + (j-1) * (j-1) + 1 < n ; ++j)
		{
			pref[i + (j-1) * (j-1) + 1] = max(pref[i + (j-1) * (j-1) + 1] , arr[i] + j) ;
		}
		for(int j = 1 ; i - (j-1) * (j-1) - 1 >= 0 ; ++j)
		{
			if(i - (j-1) * (j-1) - 1 < 0)
				break ;
			suff[i - (j-1) * (j-1) - 1] = max(suff[i - (j-1) * (j-1) - 1] , arr[i] + j) ;
		}
	}
	for(int i = 1 ; i < n ; ++i)
		pref[i] = max(pref[i] , pref[i-1]) ;
	for(int i = n-2 ; i >= 0 ; --i)
		suff[i] = max(suff[i] , suff[i+1]) ;
	for(int i = 0 ; i < n ; ++i)
		printf("%d\n" , max(0 , max(pref[i] , suff[i]) - arr[i])) ;
	return 0 ;
}

Compilation message (stderr)

pio.cpp:3:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization ("unroll-loops")
 
pio.cpp: In function 'int main()':
pio.cpp:15:16: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'int' [-Wformat=]
  scanf("%d" , n) ;
                ^
pio.cpp:15:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d" , n) ;
  ~~~~~^~~~~~~~~~
pio.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d" , &arr[i]) ;
   ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 9
• Subtask 5: 0 / 9
• Subtask 6: 0 / 9
• Subtask 7: 0 / 9
• Subtask 8: 0 / 9
• Subtask 9: 0 / 9
• Subtask 10: 0 / 9
• Subtask 11: 0 / 10