Compilare: main.cpp: In function 'int main()': main.cpp:46:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &k); ^ main.cpp:50:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &Arr[i]); ^ main.cpp:123:10: warning: 'maxl' may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(fout, "%d %d\n", k, right - left); ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~