c-gcc, 158 bytes

Result

WA

Duration

507ms

Code [DL]

z;a[z=12];s,p;main(q){for(;z--;)scanf("%d",a+z);for(z=9;z--;)a[z]-=a[9+z%3];for(z=3;z--;)s+=a[z]*=a[p=3+-~z%3]*a[q=6+(z+2)%3]-a[q-3]*a[p+3];printf("%d",s/6);}

stdin

84 29 24
81 39 98
16 31 05
03 29 60

stdout

stderr

/tmp/code.c:1:1: warning: data definition has no type or storage class
 z;a[z=12];s,p;main(q){for(;z--;)scanf("%d",a+z);for(z=9;z--;)a[z]-=a[9+z%3];for(z=3;z--;)s+=a[z]*=a[p=3+-~z%3]*a[q=6+(z+2)%3]-a[q-3]*a[p+3];printf("%d",s/6);}
 ^
/tmp/code.c:1:1: warning: type defaults to 'int' in declaration of 'z' [-Wimplicit-int]
/tmp/code.c:1:3: warning: data definition has no type or storage class
 z;a[z=12];s,p;main(q){for(;z--;)scanf("%d",a+z);for(z=9;z--;)a[z]-=a[9+z%3];for(z=3;z--;)s+=a[z]*=a[p=3+-~z%3]*a[q=6+(z+2)%3]-a[q-3]*a[p+3];printf("%d",s/6);}
   ^
/tmp/code.c:1:3: warning: type defaults to 'int' in declaration of 'a' [-Wimplicit-int]
/tmp/code.c:1:3: error: variably modified 'a' at file scope
/tmp/code.c:1:11: warning: data definition has no type or storage class
 z;a[z=12];s,p;main(q){for(;z--;)scanf("%d",a+z);for(z=9;z--;)a[z]-=a[9+z%3];for(z=3;z--;)s+=a[z]*=a[p=3+-~z%3]*a[q=6+(z+2)%3]-a[q-3]*a[p+3];printf("%d",s/6);}
           ^
/tmp/code.c:1:11: warning: type defaults to 'int' in declaration of 's' [-Wimplicit-int]
/tmp/code.c:1:13: warning: type defaults to 'int' in declaration of 'p' [-Wimplicit-int]
 z;a[z=12];s,p;main(q){for(;z--;)scanf("%d",a+z);for(z=9;z--;)a[z]-=a[9+z%3];for(z=3;z--;)s+=a[z]*=a[p=3+-~z%3]*a[q=6+(z+2)%3]-a[q-3]*a[p+3];printf("%d",s/6);}
             ^
/tmp/code.c:1:15: warning: return type defaults to 'int' [-Wimplicit-int]
 z;a[z=12];s,p;main(q){for(;z--;)scanf("%d",a+z);for(z=9;z--;)a[z]-=a[9+z%3];for(z=3;z--;)s+=a[z]*=a[p=3+-~z%3]*a[q=6+(z+2)%3]-a[q-3]*a[p+3];printf("%d",s/6);}
               ^~~~
/tmp/code.c: In function 'main':
/tmp/code.c:1:15: warning: type of 'q' defaults to 'int' [-Wimplicit-int]
/tmp/code.c:1:33: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
 z;a[z=12];s,p;main(q){for(;z--;)scanf("%d",a+z);for(z=9;z--;)a[z]-=a[9+z%3];for(z=3;z--;)s+=a[z]*=a[p=3+-~z%3]*a[q=6+(z+2)%3]-a[q-3]*a[p+3];printf("%d",s/6);}
                                 ^~~~~
/tmp/code.c:1:33: warning: incompatible implicit declaration of built-in function 'scanf'
/tmp/code.c:1:33: note: include '<stdio.h>' or provide a declaration of 'scanf'
/tmp/code.c:1:102: warning: operation on 'p' may be undefined [-Wsequence-point]
 z;a[z=12];s,p;main(q){for(;z--;)scanf("%d",a+z);for(z=9;z--;)a[z]-=a[9+z%3];for(z=3;z--;)s+=a[z]*=a[p=3+-~z%3]*a[q=6+(z+2)%3]-a[q-3]*a[p+3];printf("%d",s/6);}
                                                                                                     ~^~~~~~~~
/tmp/code.c:1:115: warning: operation on 'q' may be undefined [-Wsequence-point]
 z;a[z=12];s,p;main(q){for(;z--;)scanf("%d",a+z);for(z=9;z--;)a[z]-=a[9+z%3];for(z=3;z--;)s+=a[z]*=a[p=3+-~z%3]*a[q=6+(z+2)%3]-a[q-3]*a[p+3];printf("%d",s/6);}
                                                                                                                  ~^~~~~~~~~~
/tmp/code.c:1:141: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
 z;a[z=12];s,p;main(q){for(;z--;)scanf("%d",a+z);for(z=9;z--;)a[z]-=a[9+z%3];for(z=3;z--;)s+=a[z]*=a[p=3+-~z%3]*a[q=6+(z+2)%3]-a[q-3]*a[p+3];printf("%d",s/6);}
                                                                                                                                             ^~~~~~
/tmp/code.c:1:141: warning: incompatible implicit declaration of built-in function 'printf'
/tmp/code.c:1:141: note: include '<stdio.h>' or provide a declaration of 'printf'
/bin/script: line 16: /tmp/code: not found
rm: can't remove '/tmp/code': No such file or directory

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