When some expression in C contains two operators with same/equal priority, the expression gets executed as per the “Associativity of Operators”, Check below program to understand, why it prints the results as “5” and not “1” $ vim associtivity_in_c.c #include <stdio.h> int main(){ int a = 3/2*5; printf("a=%d\n", a); /*Above Statement will print result as 5 since 3/2 is equals to 1 due to integer division*/ return 0; } Compile the code as, $ gcc -o associtivity_in_c associtivity_in_c.c Execute the binary as, $ ./associtivity_in_c This program will display result as 5. Associativity of operators : 1) Left to Right 2) Right to Left . Multiplication & Division has “Left to Right Associativity” For Division: / , left side is 3 & right side is 2*5, indicating left side is unambiguous For Multiplication: * , left side is 3/2 & right side is 5, indicating right side is unambiguous Since both * and / has same priority and “Left to Right” Associativity, In above example Division will get executed first since it has “Left” side 3 as unambiguous and then multiplication Hence result will be 5.

Command line execution

Terminalbash
gcc -o associtivity_in_c associtivity_in_c.c Execute the binary as,  $ ./associtivity_in_c This program will display result as 5. Associativity of operators : 1) Left to Right 2) Right to Left . Multiplication & Division has “Left to Right Associativity” For Division: / , left side is 3 & right side is 2*5, indicating left side is unambiguous For Multiplication: * , left side is 3/2 & right side is 5, indicating right side is unambiguous Since both * and / has same priority and “Left to Right” Associativity, In above example Division will get executed first since it has “Left” side 3 as unambiguous and then multiplication Hence result will be 5.

Gotchas and common issues

  • Permission checks - verify user access rights and sudo privileges before executing system-level operations.

  • Environment configuration - double-check path variables and dependency versions to prevent runtime failures.

  • Backup safeguards - maintain configuration backups before applying system or database modifications.

Following these steps ensures clean configuration and reliable execution for associativity of operators in c programming.