Compilare: main.cpp: In function 'int main()': main.cpp:14:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &n, &k); ^ main.cpp:17:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &x); ^ main.cpp:29:31: warning: 'rez' may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(g, "%d %d %d", rez-k+1, rez, maxi); ~~~^~