View Compilation Error

0_0_9862718_30790.cpp: In function `int main()':
0_0_9862718_30790.cpp:4: error: `inta' undeclared (first use this function)
0_0_9862718_30790.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9862718_30790.cpp:4: error: `b' undeclared (first use this function)
0_0_9862718_30790.cpp:5: error: expected `(' before '{' token
0_0_9862718_30790.cpp:5: error: expected primary-expression before '{' token
0_0_9862718_30790.cpp:5: error: expected `)' before '{' token
0_0_9862718_30790.cpp:6: error: `a' undeclared (first use this function)
0_0_9862718_30790.cpp:6: error: expected `;' before ')' token
0_0_9862718_30790.cpp:8: error: expected `}' at end of input