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input.txt


output.txt


1´Ü°è
½ÃÀÛ

	#include<stdio.h>
	int a;

	int main()
	{
	
		input();
		output();
	
		return -1;
	}
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2´Ü°è
ÀÔ·ÂÆÄÀÏ ºÎºÐ

	int input()
	{
		FILE *ifp;
		
		ifp=fopen("input.txt", ""); 

		fscanf(ifp,"%d",&a);	

		fclose(ifp);	

		return -1;

	}
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3´Ü°è
Ãâ·ÂÆÄÀÏ ºÎºÐ

	int output()
	{
		FILE *ofp;
		ofp=fopen("output.txt", ""); 

		
		fprintf(ofp,"%d",a);
		
		fclose(ofp);

		return -1;
	}
¼³¸í


<¿Ï¼ºµÈ ÇÁ·Î±×·¥>

	#include<stdio.h>
	int a;
	
	int input()
	{
		FILE *ifp;
	
		ifp=fopen("input.txt", "r");

		fscanf(ifp,"%d",&a);	

		fclose(ifp);

		return -1;

	}

	int output()
	{
		FILE *ofp;
		ofp=fopen("output.txt", "w");
		
		fprintf(ofp,"%d",a);
		
		fclose(ofp);

		return -1;
	}

	int main()
	{
	
		input();
		output();
	
		return -1;
	}
¶Ç´Â

	#include<stdio.h>
	int a;
	
	int input()
	{
		freopen("input.txt", "r", stdin);

		scanf("%d",&a);	

		return -1;

	}

	int output()
	{
		freopen("output.txt", "w", stdout);
		
		printf("%d",a);

		return -1;
	}

	int main()
	{
	
		input();
		output();
	
		return -1;
	}


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