Submission #1902

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1902	2013-07-19T08:48:42 Z	mh5664	최댓값 (tutorial2)	C++	Compilation error	0 ms	0 KB

tutorial2

#include <stdio.h>

FILE *in = fopen ("input.txt", "r"), *out = fopen ("output.txt", "w");

int GetMax (int n, int a[11])
{
	int max = -2147483647;
	for (int i = 0; i < n; ++i)
	{
		if (max < a[i])
		{
			max = a[i];
		}
	}
	return max;
}

int main ()
{
	int n, data[11];
	fscanf (in, "%d", &n);

	for (int i = 0; i < n; ++i)
	{
		fscanf (in, "%d", &data[i]);
	}
	fprintf (out, "%d", GetMax (n, data));
	fclose (in);
	fclose (out);
	return 0;
}

Compilation message

tutorial2.cpp: In function 'int main()':
tutorial2.cpp:21:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
tutorial2.cpp:25:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
/tmp/ccg7cMAp.o: In function `main':
tutorial2.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccLQR8xl.o:grader.cpp:(.text.startup+0x0): first defined here
collect2: ld returned 1 exit status