Submission #4027048


Source Code Expand

import sys
N,A,B=map(int, raw_input().split()) 
H=[ int(sys.stdin.readline()) for i in range(N) ] 

def func(n , T):
	sa=A-B
	k=0
	for x in T:
		x-=n*B
		if x>0:
			if x%sa==0:
				k+=x/sa
			else:
				k+=(x/sa+1)
		
			if n<k:
				return False
	else:
			return True

l=0
r=max(H)/B+1
while l!=r:
	m=(r+l)/2
	if func(m,H):
		r=m
	else:
		l=m+1
	#print l,r,m,func(m,H)

print l

Submission Info

Submission Time
Task D - Widespread
User KUMAWO
Language PyPy2 (5.6.0)
Score 400
Code Size 410 Byte
Status AC
Exec Time 136 ms
Memory 33180 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 3
AC × 13
Set Name Test Cases
Sample a01, a02, a03
All a01, a02, a03, b04, b05, b06, b07, b08, b09, b10, b11, b12, b13
Case Name Status Exec Time Memory
a01 AC 33 ms 26860 KB
a02 AC 34 ms 27500 KB
a03 AC 33 ms 27244 KB
b04 AC 34 ms 27244 KB
b05 AC 66 ms 32924 KB
b06 AC 114 ms 33052 KB
b07 AC 116 ms 33180 KB
b08 AC 116 ms 33180 KB
b09 AC 75 ms 32924 KB
b10 AC 75 ms 33052 KB
b11 AC 78 ms 33052 KB
b12 AC 79 ms 33052 KB
b13 AC 136 ms 33180 KB