Operator Precendence in C++
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Precedence   Operator                            Description                  Associativity    
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 1           ::                                 scope Resolution          Left to right        
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 2           a++ a--                            Postfix incre/decre       Left to right         
             type() type{}                      Functioncal cast                    
             a()                                function call                     
             []                                 subscript                         
             -> .                               Member Access                     
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 3           ++a --a                            Prefix incre/decre        Right to left
             + -                                Unary                               
             ! ~                                Logical NOT,bitwise NOT            
             (type)*                            C-style typecast                      
               &                                Address of                        
             sizeof                             size-of                                       
             co_await                           await expression                       
             new new[]                          Dynamic memory allocation                                  
             delete delete[]                    Dynamic memory De-allocation                                             
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 4            . * ->*                           pointer to member         Left to right 
 5            * / %                                Multiplicative                     
 6            + -                                Additive                           
 7            << >>                                Shift                             
 8            <=>                               Three way comparsion                            
 9            < <= > >=                            Relational                         
 10           == !=                                Equality                         
 11           &                                    Bitwise AND                      
 12           ^                                 Bitwise XOR                        
 13           |                                    Bitwise OR                  
 14           &&                                Logical AND                  
 15           ||                                Logical OR                   
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 16           ?:                                Conditional                  Right to left
              throw                             Throw Operator
              co_yield                          yield Expression
                 =                              Assignment
              += -= *= /= %=>>= <<= &= ^= |=    Compound Assignment    
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 17            ,                                Comma                      Left to right
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