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1. Note: #if 0

#endif

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2.

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3.bool type

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4.char type

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5.

Short 2 bytes

Short (signed short) -32768~32767

unsigned short 0~65535

6.

int 4 bytes

7.

A long 4 bytes

8.

Floating-point types:

Float 4 bytes

Double 8 bytes

9.

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10.

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11.

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12.

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After preprocessing:

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13. Practice

int n;

scanf ("%d", &n);

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Note: You cannot add "\ n" in scanf.

14.

Compare registers with auto execution time

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15.

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Split-screen operation: Under an open file, enter the VSP file name in the bottom row mode (landscape)

SP file name (vertical)

16.

Static effect:

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17. Forcing type conversions

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18.

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The m/n can be decimal.

19. Bit arithmetic

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% #x indicates print 16 binary

20. Three Mesh operation

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21.sizeof

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Note: System-related, 64 and three-bit systems are different.

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This article is from the "grinding pad" blog, be sure to keep this source http://millstone.blog.51cto.com/9843217/1605585

2015.01.16 continued