View Compilation Error

30697_0_11732.cpp: In function `int main()':
30697_0_11732.cpp:30: error: `t' undeclared (first use this function)
30697_0_11732.cpp:30: error: (Each undeclared identifier is reported only once for each function it appears in.)
30697_0_11732.cpp:45: error: expected `,' or `;' before "cout"