Compilare: user.c: In function ‘main’: user.c:49:2: warning: implicit declaration of function ‘time’ [-Wimplicit-function-declaration] srand(time(NULL)); ^ user.c: In function ‘merge’: user.c:34:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.c: In function ‘main’: user.c:52:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d", &n); ^ user.c:56:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d", &v[i]); ^