Submission #20737

#	Time	Username	Problem	Language	Result	Execution time	Memory
20737		somnia0	최댓값 (tutorial2)	C++14	Compilation error	0 ms	0 KiB

tutorial2

#include<stdio.h>
int main()
{
	int n, max=0;
	scanf("%d", &n);
	for(int x,i=1;i<=n;i++)
	{
		scanf("%d", &x);
		if(x>max) max=x;
	}
	printf("%d", max);
}

Compilation message (stderr)

tutorial2.cpp: In function 'int main()':
tutorial2.cpp:5:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
tutorial2.cpp:8:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &x);
                  ^
/tmp/ccKy9De3.o: In function `main':
tutorial2.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccvlTzr5.o:grader.cpp:(.text.startup+0x0): first defined here
/tmp/ccvlTzr5.o: In function `main':
grader.cpp:(.text.startup+0x97): undefined reference to `GetMax(int, int*)'
collect2: error: ld returned 1 exit status