View Compilation Error

0_0_3076627_1575.cpp: In function `int main()':
0_0_3076627_1575.cpp:4: error: expected init-declarator before "s"
0_0_3076627_1575.cpp:4: error: expected `,' or `;' before "s"
0_0_3076627_1575.cpp:6: error: `b' undeclared (first use this function)
0_0_3076627_1575.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_3076627_1575.cpp:7: error: `s' undeclared (first use this function)