View Compilation Error

0_0_21660647_12140.cpp:83:5: error: redefinition of 'int t'
 int t;
     ^
0_0_21660647_12140.cpp:9:5: note: 'int t' previously declared here
 int t;
     ^
0_0_21660647_12140.cpp:84:5: error: redefinition of 'int n'
 int n,k;
     ^
0_0_21660647_12140.cpp:10:5: note: 'int n' previously declared here
 int n,k;
     ^
0_0_21660647_12140.cpp:84:7: error: redefinition of 'int k'
 int n,k;
       ^
0_0_21660647_12140.cpp:10:7: note: 'int k' previously declared here
 int n,k;
       ^
0_0_21660647_12140.cpp: In function 'int main()':
0_0_21660647_12140.cpp:87:5: error: redefinition of 'int main()'
 int main()
     ^
0_0_21660647_12140.cpp:13:5: note: 'int main()' previously defined here
 int main()
     ^