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C gcc -O2
代码： 全选
#include <stdio.h>
int fibonacci(n) {
if (n < 2) {
return n;
}
return fibonacci(n - 2) + fibonacci(n - 1);
}
int main() {
printf("%dn", fibonacci(40));
return 0;
}real 0m0.462s
user 0m0.462s
sys 0m0.000s
===========================================
jua:
代码： 全选
local function fibonacci(n)
if n < 2 then
return n
end
return fibonacci(n - 2) + fibonacci(n - 1)
end
io.write(fibonacci(40), "n")real 0m16.516s
user 0m16.507s
sys 0m0.002s
===========================================
python
代码： 全选
def fibonacci(n):
if n < 2:
return n
return fibonacci(n - 2) + fibonacci(n - 1)
print fibonacci(40)real 0m46.014s
user 0m45.962s
sys 0m0.035s
===========================================
代码： 全选
QBASIC , llvm-qbc fab.bas代码： 全选
function fibonacci( n as long ) as long
dim f1
dim f2
if n < 2 then return n
f1 = fibonacci(n - 2)
f2 = fibonacci(n - 1)
return f1 + f2
end function
sub main()
print fibonacci(40 )
end subreal 0m1.065s
user 0m1.065s
sys 0m0.000s
===========================================
QBASIC is just a little slower that C ! I haven't optimize the code !
我的 QBASIC 编译器成功打败了除 C 以外的所有语言!~~~
