View Compilation Error

0_0_4344095_8764.cpp: In function `int main()':
0_0_4344095_8764.cpp:15: error: expected init-declarator before "tt"
0_0_4344095_8764.cpp:15: error: expected `,' or `;' before "tt"
0_0_4344095_8764.cpp:20: error: `b' undeclared (first use this function)
0_0_4344095_8764.cpp:20: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4344095_8764.cpp:22: error: `tt' undeclared (first use this function)