Use the mod % operator : Mod « Math « C / ANSI-C

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C / ANSI-C » Math » Mod Screenshots  Use the mod % operator #include <stdio.h> int main(void) {   int i;   printf("Enter a number: ");   scanf("%d", &i);      if( ( i % 2 ) == 0)        printf("Even");   if( ( i % 2 ) ==1)        printf("Odd");   return 0; }                     Related examples in the same category 1. floating-point remainder value function 2. Mod and divide 3. Return remainder of floating point division: fmod 4. Split floating-point value into fractional and integer parts: how to use modf