View Compilation Error

0_0_16316245_8402.cpp: In function 'int solve(int, int, int, int)':
0_0_16316245_8402.cpp:95:5: error: 'i' was not declared in this scope
  if(i == -1 || j == -1)return oo;
     ^
0_0_16316245_8402.cpp:95:16: error: 'j' was not declared in this scope
  if(i == -1 || j == -1)return oo;
                ^
0_0_16316245_8402.cpp:97:10: error: 'j' was not declared in this scope
  int c = j % phi;
          ^
0_0_16316245_8402.cpp:99:9: error: 'i' was not declared in this scope
  if(gcd(i,phi) > 1)return oo;
         ^
0_0_16316245_8402.cpp:100:6: error: 'i' was not declared in this scope
  gcd(i,phi,dd,xx,yy);
      ^