Submission #4939

#	Time	Username	Problem	Language	Result	Execution time	Memory
4939		jumax1008	최댓값 (tutorial2)	C++98	Compilation error	0 ms	0 KiB

tutorial2

#include <cstdio>
int main()
{
  FILE *fp=fopen("example.in","r");
  int n,in[10],m=0;
  fscanf(fp,"%d",&n);
  
  for(int i=0 ; i<n;  i++)
  {  fscanf(fp,"%d",&in[i]);
   if(m<in[i])
     m=in[i];
  }
  fclose(fp);
  fp = fopen("example.out","w");
  fprintf(fp,"%d",m);
  return 0;
}

Compilation message (stderr)

tutorial2.cpp: In function 'int main()':
tutorial2.cpp:6:21: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
tutorial2.cpp:9:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
/tmp/ccT6EXkx.o: In function `main':
tutorial2.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccJmByaN.o:grader.cpp:(.text.startup+0x0): first defined here
/tmp/ccJmByaN.o: In function `main':
grader.cpp:(.text.startup+0x97): undefined reference to `GetMax(int, int*)'
collect2: ld returned 1 exit status