Compilare: main.cpp: In function 'int query(int, int, int, int)': main.cpp:83:29: warning: left operand of comma operator has no effect [-Wunused-value] return aint[nod * 2 + 1,mid + 1,dr,pos]; ~~~~~~~~^~~ main.cpp:83:37: warning: right operand of comma operator has no effect [-Wunused-value] return aint[nod * 2 + 1,mid + 1,dr,pos]; ~~~~^~~ main.cpp:83:44: warning: right operand of comma operator has no effect [-Wunused-value] return aint[nod * 2 + 1,mid + 1,dr,pos]; ^~~ main.cpp: In function 'int main()': main.cpp:89:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ main.cpp:93:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&u,&v); ^ main.cpp:106:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&q); ^ main.cpp:110:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&t,&x); ^