Compilare: main.cpp: In function 'int main()': main.cpp:69:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("expresie2.in","r",stdin); ^ main.cpp:70:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("expresie2.out","w",stdout); ^ main.cpp:73:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s",s); ^ main.cpp: In function 'int ssm()': main.cpp:60:18: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized] sumc += a; ~~~~~^~~~ main.cpp: In function 'int mediana()': main.cpp:35:8: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized] v[a+100] ++; ~^~~~