View Compilation Error

0_0_34064544_5537.cpp: In function 'int main()':
0_0_34064544_5537.cpp:52:6: error: 'flag1' was not declared in this scope
      flag1 = 1;
      ^
0_0_34064544_5537.cpp:55:6: error: 'flag2' was not declared in this scope
      flag2 = 1;
      ^
0_0_34064544_5537.cpp:57:8: error: 'flag1' was not declared in this scope
     if(flag1 && !flag2 && cnt >= 0){
        ^
0_0_34064544_5537.cpp:57:18: error: 'flag2' was not declared in this scope
     if(flag1 && !flag2 && cnt >= 0){
                  ^