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What are some cool C tricks?

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Here are some cool C tricks: 1. Swap Variables Without Temp: a = a + b; b = a - b; a = a - b; 2. Using Macros for Debugging: #define DEBUG(x) printf("Debug: %s = %d\n", #x, x) 3. Single-Line Conditional: (condition) ? printf("True") : printf("False"); 4. Using Bitwise Operators: //...
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Here are some cool C tricks: 1. Swap Variables Without Temp: a = a + b; b = a - b; a = a - b; 2. Using Macros for Debugging: #define DEBUG(x) printf("Debug: %s = %d\n", #x, x) 3. Single-Line Conditional: (condition) ? printf("True") : printf("False"); 4. Using Bitwise Operators: // Toggle a bit x ^= (1 << n); 5. String Length Without strlen: int length(const char *str) { const char *s; for (s = str; *s; ++s); return s - str; } 6. Variable-Length Arrays: int n; scanf("%d", &n); int arr[n]; // Size defined at runtime 7. Inline Assembly: asm("movl %eax, %ebx"); // Inline assembly code These tricks can help improve code efficiency, readability, and debugging. read less
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Cool C tricks include using bitwise operators for efficient manipulation, pointer arithmetic for faster access, `#define` macros for constants and inline functions, ternary operators for compact if-else conditions, and recursion for elegant algorithm implementations.
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Cool C tricks include using bitwise operators for efficient manipulation, pointer arithmetic for faster access, `#define` macros for constants and inline functions, ternary operators for compact if-else conditions, and recursion for elegant algorithm implementations.
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