Compilare: user.cpp: In function ‘int main()’: user.cpp:15:18: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[100001]’ [-Wformat=] scanf("%s",&s); ^ user.cpp:17:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(s);++i){ ^ user.cpp:19:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(e==-1)lit[++l]=s[i],ap[l]=1; ^ user.cpp:19:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(e==-1)lit[++l]=s[i],ap[l]=1; ^ user.cpp:13:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("smooth2.in","r",stdin); ^ user.cpp:14:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("smooth2.out","w",stdout); ^ user.cpp:15:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",&s); ^