Compilare: main.cpp: In function 'int main()': main.cpp:13:26: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ main.cpp:21:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^ main.cpp:47:12: warning: 'pmax' may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(fout, "%d %d %d", smax, pmax + 1, max + 1); ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:47:12: warning: 'max' may be used uninitialized in this function [-Wmaybe-uninitialized]