c-gcc, 163 bytes

Result

AC

Duration

508ms

Code [DL]

a[12];s,p,q;main(y,z){z=12;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

94 54 62
06 94 94
64 58 24
98 34 68

stdout

14096

stderr

/tmp/code.c:1:1: warning: data definition has no type or storage class
 a[12];s,p,q;main(y,z){z=12;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 'a' [-Wimplicit-int]
/tmp/code.c:1:7: warning: data definition has no type or storage class
 a[12];s,p,q;main(y,z){z=12;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:1:7: warning: type defaults to 'int' in declaration of 's' [-Wimplicit-int]
/tmp/code.c:1:9: warning: type defaults to 'int' in declaration of 'p' [-Wimplicit-int]
 a[12];s,p,q;main(y,z){z=12;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 'q' [-Wimplicit-int]
 a[12];s,p,q;main(y,z){z=12;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:1:13: warning: return type defaults to 'int' [-Wimplicit-int]
 a[12];s,p,q;main(y,z){z=12;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:1:13: warning: type of 'y' defaults to 'int' [-Wimplicit-int]
/tmp/code.c:1:13: warning: type of 'z' defaults to 'int' [-Wimplicit-int]
/tmp/code.c:1:38: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
 a[12];s,p,q;main(y,z){z=12;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:1:38: warning: incompatible implicit declaration of built-in function 'scanf'
/tmp/code.c:1:38: note: include '<stdio.h>' or provide a declaration of 'scanf'
/tmp/code.c:1:107: warning: operation on 'p' may be undefined [-Wsequence-point]
 a[12];s,p,q;main(y,z){z=12;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:1:120: warning: operation on 'q' may be undefined [-Wsequence-point]
 a[12];s,p,q;main(y,z){z=12;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:1:146: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
 a[12];s,p,q;main(y,z){z=12;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:1:146: warning: incompatible implicit declaration of built-in function 'printf'
/tmp/code.c:1:146: note: include '<stdio.h>' or provide a declaration of 'printf'

strace