Compilare: user.c: In function ‘main’: user.c:12:2: warning: implicit declaration of function ‘malloc’ [-Wimplicit-function-declaration] int *A=malloc(100000*sizeof(int)); ^ user.c:12:9: warning: incompatible implicit declaration of built-in function ‘malloc’ [enabled by default] int *A=malloc(100000*sizeof(int)); ^ user.c:32:2: warning: implicit declaration of function ‘free’ [-Wimplicit-function-declaration] free(A); ^ user.c:32:2: warning: incompatible implicit declaration of built-in function ‘free’ [enabled by default] user.c:15:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&T); ^ user.c:17:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&N); ^ user.c:20:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&A[j]); ^