View Compilation Error

0_0_20909205_9850.cpp: In function 'int main()':
0_0_20909205_9850.cpp:36:7: error: 'i' was not declared in this scope
   for(i = 0;i<cnt;i++)
       ^
0_0_20909205_9850.cpp:48:7: error: 'i' was not declared in this scope
   for(i = 0;i<left;i++)
       ^
0_0_20909205_9850.cpp:50:7: error: 'i' was not declared in this scope
   for(i = 0;i<right;i++)
       ^
0_0_20909205_9850.cpp:55:13: error: 'i' was not declared in this scope
         for(i = 0;i<left&&i<=k;i++)
             ^