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Main(){ int x = 023； in C program; printf("%d "，-x)； What's x? Why?
The output result is 18.

First: the sentence int x = 023 023 is an octal number, which is converted into 10, which is 19.

Then: -x, 19- 1= 18.

The code used for verification is as follows:

# include & ltstdio.h & gt

main()？ {

int？ x = 023

printf("%d "，-x)；

} The verification results are as follows:

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