Compilare: user.c: In function ‘main’: user.c:48:2: warning: implicit declaration of function ‘time’ [-Wimplicit-function-declaration] srand(time(NULL)); ^ user.c:45:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fdi, "%d%d", &n, &k); ^ user.c:46:33: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] for (i = 1; i <= n; i++) fscanf(fdi, "%d", &v[i]); ^