Run #2402e846

completed

Score

100% (4/4)

Runtime

6μs

vs Previous

No change vs parent

Tied for best

Same as parent

Solution Lineage

Current100%Same as parent
fd4d992d100%Improved from parent
43aa7f6425%Regression from parent
8526c232100%Same as parent
bbb94a82100%Same as parent
1aeefd0e100%Same as parent
7b1e508d100%Same as parent
3933d6fd100%Same as parent
ab373fe2100%Same as parent
72e0a3dd100%Same as parent
ef8ec475100%Same as parent
7774af03100%Same as parent
1906c4f0100%Same as parent
a881520b100%Same as parent
ff533f20100%Improved from parent
c07852e925%Regression from parent
6c4e319f100%Same as parent
0139cffd100%Same as parent
5fd7278e100%Same as parent
2fac06cd100%First in chain

Code

def solve(input):
    if not input:
        return []
    
    return [input[0]] + [b - a for a, b in zip(input, input[1:])]

Compare with Champion

Score Difference

Tied

Runtime Advantage

4μs slower

Code Size

5 vs 9 lines

#Your Solution#Champion
1def solve(input):1def solve(input):
2 if not input:2 if not input:
3 return []3 return []
4 4 result = [input[0]]
5 return [input[0]] + [b - a for a, b in zip(input, input[1:])]5 previous = input[0]
66 for current in input[1:]:
77 result.append(current - previous)
88 previous = current
99 return result
Your Solution
100% (4/4)6μs
1def solve(input):
2 if not input:
3 return []
4
5 return [input[0]] + [b - a for a, b in zip(input, input[1:])]
Champion
100% (4/4)2μs
1def solve(input):
2 if not input:
3 return []
4 result = [input[0]]
5 previous = input[0]
6 for current in input[1:]:
7 result.append(current - previous)
8 previous = current
9 return result