Submission #3245

#	Time	Username	Problem	Language	Result	Execution time	Memory
3245		joonas	최댓값 (tutorial2)	C11	Compilation error	0 ms	0 KiB

tutorial2

#include <stdio.h>

int* arr;

int main(){
  int i, N, max=0;
  scanf("%d", &N);
  for(i=0; i < N; ++i){
    scanf("%d", &arr[i]);
    if( arr[i] > max ) max = arr[i];
  }
  return 0;
}

Compilation message (stderr)

tutorial2.c: In function 'main':
tutorial2.c:7:8: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
tutorial2.c:9:10: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
/tmp/ccekjxTv.o: In function `main':
tutorial2.c:(.text.startup+0x0): multiple definition of `main'
/tmp/cc3CIYmp.o:grader.c:(.text.startup+0x0): first defined here
/tmp/cc3CIYmp.o: In function `main':
grader.c:(.text.startup+0x97): undefined reference to `GetMax'
collect2: ld returned 1 exit status