View Code of Problem 136

#include<stdio.h>
int main()
{
int m,n;
  scanf("%d%d",&m,&n);
printf("%d",a+b);

}
/*
F:\temp\19903375.5091\Main.c: In function 'main':
F:\temp\19903375.5091\Main.c:7: error: 'a' undeclared (first use in this function)
F:\temp\19903375.5091\Main.c:7: error: (Each undeclared identifier is reported only once
F:\temp\19903375.5091\Main.c:7: error: for each function it appears in.)
F:\temp\19903375.5091\Main.c:7: error: 'b' undeclared (first use in this function)
*/