View Compilation Error

0_0_4464998_7728.cpp: In function `int main()':
0_0_4464998_7728.cpp:47: error: `cin' undeclared (first use this function)
0_0_4464998_7728.cpp:47: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4464998_7728.cpp:62: error: `queue' undeclared (first use this function)
0_0_4464998_7728.cpp:62: error: expected primary-expression before '>' token
0_0_4464998_7728.cpp:62: error: `qu' undeclared (first use this function)
0_0_4464998_7728.cpp:82: error: `cout' undeclared (first use this function)
0_0_4464998_7728.cpp:82: error: `endl' undeclared (first use this function)