Compilare: user.c:3:6: warning: return type of ‘main’ is not ‘int’ [-Wmain] void main(void){ ^ user.c: In function ‘main’: user.c:18:5: warning: implicit declaration of function ‘malloc’ [-Wimplicit-function-declaration] V = (double *) malloc(( R + 1 ) * sizeof(double)); ^ user.c:18:20: warning: incompatible implicit declaration of built-in function ‘malloc’ [enabled by default] V = (double *) malloc(( R + 1 ) * sizeof(double)); ^ user.c:19:5: warning: implicit declaration of function ‘calloc’ [-Wimplicit-function-declaration] Cont = (double *) calloc ( R + 1, sizeof(double)); ^ user.c:19:23: warning: incompatible implicit declaration of built-in function ‘calloc’ [enabled by default] Cont = (double *) calloc ( R + 1, sizeof(double)); ^ user.c:62:5: warning: implicit declaration of function ‘free’ [-Wimplicit-function-declaration] free(V); ^ user.c:62:5: warning: incompatible implicit declaration of built-in function ‘free’ [enabled by default] user.c:14:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%lld", &R); ^ user.c:15:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%lld", &P); ^ user.c:22:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%lf", V + i); ^ user.c:42:32: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] *(Cont + poz) = *(Cont + poz) + 1; ^