View Compilation Error

0_0_21236363_24673.cpp:3:48: error: redefinition of 'int t'
 int t,capital,year,d,v[50],in[50],ans,f[10000],t,i,j,w;
                                                ^
0_0_21236363_24673.cpp:3:5: note: 'int t' previously declared here
 int t,capital,year,d,v[50],in[50],ans,f[10000],t,i,j,w;
     ^