Compilare: main.cpp: In function 'int main()': main.cpp:65:19: warning: variable 'j' set but not used [-Wunused-but-set-variable] int n,i,elimcif,j,poz,x; ^ main.cpp: In function 'int query2(int, int, int, int)': main.cpp:57:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:66:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^