Compilare: user.cpp: In function ‘int rotund()’: user.cpp:37:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v.size();++i) ^ user.cpp:28:18: warning: variable ‘len’ set but not used [-Wunused-but-set-variable] int sol=-INF,len,i; ^ user.cpp: In function ‘int main()’: user.cpp:86:39: 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); ^ user.cpp:87:41: 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); ^ user.cpp:88:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", (sir+1)); ^