Compilare: user.cpp: In function ‘TreapNode* Update(TreapNode*)’: user.cpp:30:65: warning: unused variable ‘sizeLeft’ [-Wunused-variable] long long hashLeft1=0,hashLeft2=0,hashRight1=0,hashRight2=0,sizeLeft=0,sizeRight=0; ^ user.cpp: In function ‘TreapNode* Join(TreapNode*, TreapNode*)’: user.cpp:87:16: warning: unused variable ‘answer’ [-Wunused-variable] TreapNode *answer; ^ user.cpp: In function ‘int main()’: user.cpp:150:30: warning: format ‘%s’ expects argument of type ‘char*’, but argument 4 has type ‘char (*)[500010]’ [-Wformat=] scanf("%d%d\n%s",&n,&q,&s); ^ user.cpp:145:15: warning: unused variable ‘j’ [-Wunused-variable] int n,q,i,j,words,type,last=0,position,a,b,index; ^ user.cpp:145:17: warning: unused variable ‘words’ [-Wunused-variable] int n,q,i,j,words,type,last=0,position,a,b,index; ^ user.cpp:145:28: warning: unused variable ‘last’ [-Wunused-variable] int n,q,i,j,words,type,last=0,position,a,b,index; ^ user.cpp:145:44: warning: unused variable ‘a’ [-Wunused-variable] int n,q,i,j,words,type,last=0,position,a,b,index; ^ user.cpp:145:46: warning: unused variable ‘b’ [-Wunused-variable] int n,q,i,j,words,type,last=0,position,a,b,index; ^ user.cpp:145:48: warning: unused variable ‘index’ [-Wunused-variable] int n,q,i,j,words,type,last=0,position,a,b,index; ^ user.cpp:147:15: warning: unused variable ‘hash1’ [-Wunused-variable] long long hash1,hash2,s1=0,s2=0; ^ user.cpp:147:21: warning: unused variable ‘hash2’ [-Wunused-variable] long long hash1,hash2,s1=0,s2=0; ^ user.cpp:143:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("diez.in","r",stdin); ^ user.cpp:144:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("diez.out","w",stdout); ^ user.cpp:150:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d\n%s",&n,&q,&s); ^ user.cpp:165:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&type); ^ user.cpp:167:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %c",&position,&ch);