View Compilation Error

0_0_35809070_6845.cpp: In function 'int main()':
0_0_35809070_6845.cpp:17:13: error: redeclaration of 'int k'
         int k=l;
             ^
0_0_35809070_6845.cpp:8:13: note: 'int k' previously declared here
     for(int k=1;k<=t;k++)
             ^
0_0_35809070_6845.cpp:23:18: error: 'x' was not declared in this scope
             if(k+x>l)
                  ^