nadesiko, 244 bytes

Result

WA

Duration

686ms

Code [DL]

a=[]
f=[]
i=-2
標準入力取得時(s)
t=sを" "で区切る
i=i+1
もしi<0ならf=t
違えばa[3*i]=t@0-f@0
a[3*i+1]=t@1-f@1
a[3*i+2]=t@2-f@2
もしi=2なら(a@0*a@4*a@8+a@1*a@5*a@6+a@2*a@3*a@7-a@2*a@4*a@6-a@1*a@3*a@8-a@0*a@5*a@7)/6と表示

stdin

94 41 05
47 28 03
12 61 99
61 86 83

stdout

stderr

/usr/lib/node_modules/nadesiko3/src/plugin_node.js:470
        callback(line)
        ^

TypeError: callback is not a function
    at Interface.<anonymous> (/usr/lib/node_modules/nadesiko3/src/plugin_node.js:470:9)
    at emitOne (events.js:116:13)
    at Interface.emit (events.js:211:7)
    at Interface._onLine (readline.js:282:10)
    at Interface._normalWrite (readline.js:424:12)
    at ReadStream.ondata (readline.js:141:10)
    at emitOne (events.js:116:13)
    at ReadStream.emit (events.js:211:7)
    at addChunk (_stream_readable.js:263:12)
    at readableAddChunk (_stream_readable.js:250:11)

strace