View Compilation Error

0_0_23258549_11422.cpp: In function 'int main()':
0_0_23258549_11422.cpp:31:5: error: 't' was not declared in this scope
     t = i;
     ^
0_0_23258549_11422.cpp:34:20: error: 't' was not declared in this scope
   printf("%s\n", a[t]);
                    ^