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  1.  
  2. #include <stdio.h>			//这是编译预处理指令
  3. int main()				//定义主函数 
  4. {				//函数开始的标志 
  5.     printf("This is a C program.\n");	//输出所指定的一行信息 
  6.     return 0;			//函数执行完毕时返回函数值0
  7. }
Success #stdin #stdout 0s 5268KB
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stdin
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Standard input is empty
stdout
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This is a C program.
https://ideone.com/ymZqUh
language:
C (gcc 8.3)
created:
8 days ago
visibility:
public

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