Language: C

i;j;x[9<<14];m=9<<25;main(){
for(;~scanf("%d",x+i++););
for(;j<x[0]-x[1]+1;j++)m=fmin(x[j+x[1]+1]-x[j+2]+fmin(abs(x[j+2]),abs(x[j+x[1]+1])),m);
printf("%d",m);

Compiler output:
main.c:1:1: warning: data definition has no type or storage class
    1 | i;j;x[9<<14];m=9<<25;main(){
      | ^
main.c:1:1: error: type defaults to 'int' in declaration of 'i' [-Wimplicit-int]
main.c:1:3: warning: data definition has no type or storage class
    1 | i;j;x[9<<14];m=9<<25;main(){
      |   ^
main.c:1:3: error: type defaults to 'int' in declaration of 'j' [-Wimplicit-int]
main.c:1:5: warning: data definition has no type or storage class
    1 | i;j;x[9<<14];m=9<<25;main(){
      |     ^
main.c:1:5: error: type defaults to 'int' in declaration of 'x' [-Wimplicit-int]
main.c:1:14: warning: data definition has no type or storage class
    1 | i;j;x[9<<14];m=9<<25;main(){
      |              ^
main.c:1:14: error: type defaults to 'int' in declaration of 'm' [-Wimplicit-int]
main.c:1:22: error: return type defaults to 'int' [-Wimplicit-int]
    1 | i;j;x[9<<14];m=9<<25;main(){
      |                      ^~~~
main.c: In function 'main':
main.c:2:7: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    2 | for(;~scanf("%d",x+i++););
      |       ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | i;j;x[9<<14];m=9<<25;main(){
main.c:2:7: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    2 | for(;~scanf("%d",x+i++););
      |       ^~~~~
main.c:2:7: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:3:26: error: implicit declaration of function 'fmin' [-Wimplicit-function-declaration]
    3 | for(;j<x[0]-x[1]+1;j++)m=fmin(x[j+x[1]+1]-x[j+2]+fmin(abs(x[j+2]),abs(x[j+x[1]+1])),m);
      |                          ^~~~
main.c:1:1: note: include '<math.h>' or provide a declaration of 'fmin'
  +++ |+#include <math.h>
    1 | i;j;x[9<<14];m=9<<25;main(){
main.c:3:26: warning: incompatible implicit declaration of built-in function 'fmin' [-Wbuiltin-declaration-mismatch]
    3 | for(;j<x[0]-x[1]+1;j++)m=fmin(x[j+x[1]+1]-x[j+2]+fmin(abs(x[j+2]),abs(x[j+x[1]+1])),m);
      |                          ^~~~
main.c:3:26: note: include '<math.h>' or provide a declaration of 'fmin'
main.c:3:55: error: implicit declaration of function 'abs' [-Wimplicit-function-declaration]
    3 | for(;j<x[0]-x[1]+1;j++)m=fmin(x[j+x[1]+1]-x[j+2]+fmin(abs(x[j+2]),abs(x[j+x[1]+1])),m);
      |                                                       ^~~
main.c:1:1: note: include '<stdlib.h>' or provide a declaration of 'abs'
  +++ |+#include <stdlib.h>
    1 | i;j;x[9<<14];m=9<<25;main(){
main.c:4:1: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    4 | printf("%d",m);
      | ^~~~~~
main.c:4:1: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:4:1: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:4:1: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:4:1: error: expected declaration or statement at end of input