Compilare: main.cpp: In function 'void getsol(int, int, int, int, int)': main.cpp:68:9: warning: unused variable 'maxcifra' [-Wunused-variable] int maxcifra=0; ^~~~~~~~ main.cpp: In function 'int main()': main.cpp:84:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("elimin2.in", "r", stdin); ^ main.cpp:85:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("elimin2.out", "w", stdout); ^ main.cpp:86:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%s", s + 1); ^