View Compilation Error

0_0_19352705_27536.cpp: In function 'int main(int, const char**)':
0_0_19352705_27536.cpp:58:6: error: 'cnt' was not declared in this scope
    ++cnt;
      ^
0_0_19352705_27536.cpp:61:18: error: 'cnt' was not declared in this scope
   printf("%d\n", cnt);
                  ^