View Code of Problem 30

#include <stdio.h>
int main()
{
	int  n，sum=0;
  	while(scanf("%d",&n)!=EOF)
        {
          	
        	for(int i=1;i<=n;++i)
                  sum+=i;
          	printf("%d\n",sum);
                  
        
        
        }
 
 
 
 
}
/*
Main.c: In function 'main':
Main.c:5:2: error: stray '\357' in program
  int  n，sum=0;
  ^
Main.c:5:2: error: stray '\274' in program
Main.c:5:2: error: stray '\214' in program
Main.c:5:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'sum'
  int  n，sum=0;
           ^
Main.c:5:11: error: 'sum' undeclared (first use in this function)
Main.c:5:11: note: each undeclared identifier is reported only once for each function it appears in
Main.c:6:22: error: 'n' undeclared (first use in this function)
    while(scanf("%d",&n)!=EOF)
                      ^
*/