Compilare: user.cpp: In member function ‘int arbori_indexati_binari::find_sume(int, int)’: user.cpp:19:23: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] for(y = y-(y^(y-1)&y)+1 ; y > 0 ; y -=(y^(y-1)&y)) ^ user.cpp:19:51: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] for(y = y-(y^(y-1)&y)+1 ; y > 0 ; y -=(y^(y-1)&y)) ^ user.cpp:22:15: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] for(x = x - (x^(x-1))&x ; x > 0 ; x -=(x^(x-1)&x)) ^ user.cpp:22:51: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] for(x = x - (x^(x-1))&x ; x > 0 ; x -=(x^(x-1)&x)) ^ user.cpp: In function ‘void read()’: user.cpp:40:12: warning: unused variable ‘task’ [-Wunused-variable] int nr,task; ^ user.cpp:42:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&m); ^ user.cpp:45:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&nr); ^ user.cpp:52:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&task); ^ user.cpp:54:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] {scanf("%d %d ",&a,&b); ^ user.cpp:58:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&a,&b); ^ user.cpp:63:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a); ^ user.cpp: In function ‘int main()’: user.cpp:75:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("aib.in","r",stdin); ^ user.cpp:76:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("aib.out","w",stdout); ^