Compilare: user.cpp: In function ‘int main()’: user.cpp:88:9: warning: unused variable ‘i’ [-Wunused-variable] int i,N,T; ^ user.cpp:88:11: warning: unused variable ‘N’ [-Wunused-variable] int i,N,T; ^ user.cpp: In function ‘void Read(char*)’: user.cpp:31:26: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(S,NMax-1,stdin); ^ user.cpp: In function ‘int main()’: user.cpp:85:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("superstring.in","r",stdin); ^ user.cpp:86:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("superstring.out","w",stdout); ^ user.cpp:91:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n",&T); ^