View Compilation Error

0_0_38352899_23239.cpp: In function 'int main()':
0_0_38352899_23239.cpp:8:3: error: 'k' was not declared in this scope
   k=0;
   ^
0_0_38352899_23239.cpp:10:3: error: expected unqualified-id before 'while'
   while(t--){
   ^
0_0_38352899_23239.cpp:19:1: error: expected '}' at end of input
 } 
 ^
0_0_38352899_23239.cpp:19:1: error: expected '}' at end of input