View Compilation Error

0_0_15047050_25344.cpp: In function 'int hungry()':
0_0_15047050_25344.cpp:37:6: error: 'i' was not declared in this scope
  for(i=1;i<=cnt;i++)
      ^
0_0_15047050_25344.cpp: In function 'int main()':
0_0_15047050_25344.cpp:53:9: error: 'ans' was not declared in this scope
         ans=cnt=0;
         ^