Submission #3155

#	Time	Username	Problem	Language	Result	Execution time	Memory
3155		chan492811	최댓값 (tutorial2)	C++98	Compilation error	0 ms	0 KiB

tutorial2

#include <iostream>
#include <cstdio>
using namespace std;
int n,s,m;
void gm(int q,int w)
{
    if(q>=w)m=q;
    else m=w;
    return;
}
int main()
{
	int i;
	scanf("%d",&n);
	scanf("%d",&s);
	m=s;
	for(i=2;i<=n;i++)
	{
	    scanf("%d",&s);
	    gm(m,s);
	}
	printf("%d",m);
    return 0;
}

Compilation message (stderr)

tutorial2.cpp: In function 'int main()':
tutorial2.cpp:14:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
tutorial2.cpp:15:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
tutorial2.cpp:19:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
/tmp/ccErea2A.o: In function `main':
tutorial2.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccS6a9XO.o:grader.cpp:(.text.startup+0x0): first defined here
/tmp/ccS6a9XO.o: In function `main':
grader.cpp:(.text.startup+0x97): undefined reference to `GetMax(int, int*)'
collect2: ld returned 1 exit status