View Compilation Error

0_0_19476055_23666.cpp: In function 'int main()':
0_0_19476055_23666.cpp:22:7: error: redeclaration of 'int t'
   int t=0;
       ^
0_0_19476055_23666.cpp:15:7: note: 'int t' previously declared here
   int t=0;
       ^