prog.c: In function ‘main’:
prog.c:14:27: warning: implicit declaration of function ‘abs’ [-Wimplicit-function-declaration]
e=0,x=abs(i-((n-1)/2)),y=abs(j-((m-1)/2));
^~~
prog.c:15:41: warning: implicit declaration of function ‘min’ [-Wimplicit-function-declaration]
if(n%2)e+=x;else e+=min(x,abs(i-n/2));
^~~
prog.c:10:9: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
for(i=0;i<n;i++)
^~~
prog.c:21:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’
printf("%d\n",b);
^~~~~~
prog.c:8:25: warning: unused variable ‘d’ [-Wunused-variable]
int a=0,b=999,c,d,i,j,x,y,e,n,m;
^
/home/mdpv4T/ccvWMPdy.o: In function `main':
prog.c:(.text.startup+0x1a1): undefined reference to `min'
prog.c:(.text.startup+0x1d9): undefined reference to `min'
collect2: error: ld returned 1 exit status