Compilare: user.cpp: In function ‘int main()’: user.cpp:37:9: warning: unused variable ‘modify’ [-Wunused-variable] int modify = 1,smax = 0; ^ user.cpp:37:20: warning: unused variable ‘smax’ [-Wunused-variable] int modify = 1,smax = 0; ^ user.cpp:23:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("piramida.in","r",stdin); ^ user.cpp:24:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("piramida.out","w",stdout); ^ user.cpp:28:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&S); ^