View Compilation Error

0_0_34215974_15147.cpp: In function 'int main()':
0_0_34215974_15147.cpp:37:32: error: 'cnt' was not declared in this scope
                         while (cnt--)
                                ^
0_0_34215974_15147.cpp:58:41: error: 'cnt' was not declared in this scope
                         for (j = 0; j < cnt; ++j)
                                         ^
0_0_34215974_15147.cpp:73:17: error: 'c' was not declared in this scope
             str[c] = 0;
                 ^
0_0_34215974_15147.cpp:75:17: error: 'flag' was not declared in this scope
             if (flag == 0)
                 ^
0_0_34215974_15147.cpp: At global scope:
0_0_34215974_15147.cpp:82:5: error: expected unqualified-id before 'return'
     return 0;
     ^
0_0_34215974_15147.cpp:83:1: error: expected declaration before '}' token
 }                {
 ^