Submission #145768

#	Time	Username	Problem	Language	Result	Execution time	Memory
145768		leewj1025	최댓값 (tutorial2)	C++14	Compilation error	0 ms	0 KiB

tutorial2

#include<stdio.h>

int main(){
	int n;
	int max = 0;
	int a[1000];
	scanf("%d",&n);
	for (int i = 0; i<n; i++){
		scanf("%d", &a[i]);
		if (max<a[i])
			max = a[i];
	}
	printf("%d", max);
}

Compilation message (stderr)

tutorial2.cpp: In function 'int main()':
tutorial2.cpp:7:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
tutorial2.cpp:9:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ~~~~~^~~~~~~~~~~~~
/tmp/ccpsaVJN.o: In function `main':
tutorial2.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccsrBgfj.o:grader.cpp:(.text.startup+0x0): first defined here
/tmp/ccsrBgfj.o: In function `main':
grader.cpp:(.text.startup+0x97): undefined reference to `GetMax(int, int*)'
collect2: error: ld returned 1 exit status