Compilare: user.c: In function ‘main’: user.c:23:43: warning: operation on ‘inddr’ may be undefined [-Wsequence-point] sumdr+=x[inddr]-x[inddr-1]+s[inddr++]; ^ user.c:23:43: warning: operation on ‘inddr’ may be undefined [-Wsequence-point] user.c:31:47: warning: operation on ‘inddr’ may be undefined [-Wsequence-point] sumdr-=x[inddr]-x[inddr-1]+s[inddr--]; ^ user.c:31:47: warning: operation on ‘inddr’ may be undefined [-Wsequence-point] user.c:39:43: warning: operation on ‘indst’ may be undefined [-Wsequence-point] sumst+=x[indst+1]-x[indst]+s[indst--]; ^ user.c:39:43: warning: operation on ‘indst’ may be undefined [-Wsequence-point] user.c:49:47: warning: operation on ‘indst’ may be undefined [-Wsequence-point] sumst-=x[indst+1]-x[indst]+s[indst++]; ^ user.c:49:47: warning: operation on ‘indst’ may be undefined [-Wsequence-point] user.c:12:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d%d", &n, &k, &t); ^ user.c:15:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%hd", &s[i]); ^ user.c:17:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d", &x[i]); ^