View Compilation Error

0_0_19445794_11939.cpp: In function 'int main()':
0_0_19445794_11939.cpp:7:22: error: 'b' was not declared in this scope
  while(scanf("%d%d",&b,&c)!=EOF)
                      ^
0_0_19445794_11939.cpp:7:25: error: 'c' was not declared in this scope
  while(scanf("%d%d",&b,&c)!=EOF)
                         ^
0_0_19445794_11939.cpp:10:7: error: 'n' was not declared in this scope
   for(n=0; n<b; n++)
       ^
0_0_19445794_11939.cpp:12:8: error: 'i' was not declared in this scope
    for(i=0; i<c; i++)
        ^
0_0_19445794_11939.cpp:18:6: error: 'd1' was not declared in this scope
      d1=n;
      ^
0_0_19445794_11939.cpp:19:6: error: 'd2' was not declared in this scope
      d2=i;
      ^
0_0_19445794_11939.cpp:23:25: error: 'd1' was not declared in this scope
   printf("%d %d %.0f\n",d1+1,d2+1,max);
                         ^
0_0_19445794_11939.cpp:23:30: error: 'd2' was not declared in this scope
   printf("%d %d %.0f\n",d1+1,d2+1,max);
                              ^