printf int

Original addressOne, Printf output formatThe general form of a format string in C is:%[flag [output minimum width] [. precision] [length] type, where the entry in square brackets [] is optional. The meanings of the items are described as follows:1.

#include #include int main(){ int i; i = 10; printf("i : %d\n",i); printf("sizeof(i++) is: %d\n",sizeof(++i)); printf("i : %d\n",i); return 0;} Result: I: 10 Sizeof (I ++) is: 4I: 10 Sizeof is an operator, but does not calculate

Int a [5] = {1, 2, 3, 4, 5}; printf ("% d \ n", * (int *) (& a + 1)-2 );, printf % d What is the result of a certain convincing pen question in a certain year? The answer is 4. Why? My understanding (do not know if it is correct ): & A is an

Turn from: http://blog.csdn.net/willy3000/article/details/5786888 The parameter type of the character; output formd,i int type; Displays a signed decimal number (I and D are different when used in the scanf function).o int type; unsigned octal

############## #首先 ############### Signed int signed integral type unsigned int non-symbolic integer int is signed int, which is written with [signed] int to indicate signed can omit 2^31=2147483648 2^31-1=2147483647 2^32=4294967296 2^32-1=42949672

printf ("%f\n", 5);printf ("%d\n", 5.01);printf ("%f\n", (float) 5);printf ("%f\n", 5.f);Out0.00000018897856105.0000005.000000It feels very strange to see the result. How can I output 0 at 1? 2 Why does it show such a large number?Explain:The

Original address: http://blog.sina.com.cn/s/blog_605f5b4f0100x3ep.htmlFirst declare: in VC + + compiled printf does not automatically do type conversion, such as int a=3; printf ("%f", a), error during operation, runtime error r6002:floating point

/* Use the conversion specifier */# Include # Include # Define PI 3.141593 // The first method to create a symbolic constant# Define pages 93179962# Define blurb "authentic imtation! "# Define words 65618# Define pages2 336Int main (void){Printf ("\

The printf function is called the format output function, and the last letter F of its keyword is the meaning of format. The function is to display the specified data to the display screen according to the user-specified format. We have used this

A is an array name, which is the first address of an array.Take the address operator to a, get a pointer to the array!!! This sentence is particularly important!It is equivalent toint (*p) [5] = &a;P is a pointer to an array containing 5 int