Compilare: main.c: In function 'main': main.c:17:14: warning: implicit declaration of function 'malloc' [-Wimplicit-function-declaration] cap = (int*)malloc(n*sizeof(int)); ^~~~~~ main.c:17:14: warning: incompatible implicit declaration of built-in function 'malloc' main.c:17:14: note: include '<stdlib.h>' or provide a declaration of 'malloc' main.c:14:2: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d",&n); ^~~~~~~~~~~~~~~~~~ main.c:15:2: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d",&m); ^~~~~~~~~~~~~~~~~~ main.c:20:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d",cap+i); ^~~~~~~~~~~~~~~~~~~~~ main.c:25:4: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d",&x[j]); ^~~~~~~~~~~~~~~~~~~~~