View Compilation Error

0_0_25931194_15196.cpp: In function 'int main()':
0_0_25931194_15196.cpp:102:22: error: 'x' was not declared in this scope
          int ans=max(x,y);
                      ^
0_0_25931194_15196.cpp:102:24: error: 'y' was not declared in this scope
          int ans=max(x,y);
                        ^