x86asm-nasm, 812 bytes

Result

WA

Duration

638ms

Code [DL]

section .data
section .text
global _start

write:
push ebp
mov ebp, esp
mov edx, 1
mov ecx, ebp
add ecx, 8
mov ebx, 1
mov eax, 4
int 0x80
leave
ret

pi:
push ebp
mov ebp, esp
mov eax, [ebp+8]
cmp eax, 10
jl NO
mov edx, 0
mov ecx, 10
div ecx
push edx
push eax
call pi
mov eax, [esp+4] ; mod
NO:
add eax, 0x30
push eax
call write
leave
ret

read:
push ebp
mov ebp, esp
push 0
push 0
mov edx, 1
mov ecx, esp
mov ebx, 0
mov eax, 3
int 0x80

mov edx, 1
mov ecx, esp
add ecx, 4
mov ebx, 0
mov eax, 3
int 0x80

mov eax, [esp]
sub eax, 0x30
mov ecx, 10
mul ecx
add eax, [esp+4]
sub eax, 0x30
leave
ret

_start:
push ebp
mov ebp, esp
sub esp, 40
mov ecx, 12
loop:
mov [esp+36], ecx
call read
mov [esp], eax
call pi
mov edx, 1
mov ecx, esp
add ecx, 4
mov ebx, 0
mov eax, 3
int 0x80

mov ecx, [esp+36]
LOOP loop

leave
ret

stdin

97 87 60
06 96 89
12 76 31
84 37 04

stdout

9787606968912763184374

stderr

Segmentation fault (core dumped)

strace