View Compilation Error

97789_0_14878.cpp:1:21:  iostream : No such file or directory
97789_0_14878.cpp: In function `int main()':
97789_0_14878.cpp:5: error: `cin' undeclared (first use this function)
97789_0_14878.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
97789_0_14878.cpp:13: error: `cout' undeclared (first use this function)
97789_0_14878.cpp:13: error: `endl' undeclared (first use this function)
97789_0_14878.cpp:19: error: `swap' undeclared (first use this function)