View Compilation Error

0_0_10360123_8850.cpp: In function `int main()':
0_0_10360123_8850.cpp:8: error: `t' undeclared (first use this function)
0_0_10360123_8850.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10360123_8850.cpp:9: error: expected `;' before "while"