View Compilation Error

101014_0_11838.cpp:4: error: `string' does not name a type
101014_0_11838.cpp: In function `int main()':
101014_0_11838.cpp:15: error: `temp' undeclared (first use this function)
101014_0_11838.cpp:15: error: (Each undeclared identifier is reported only once for each function it appears in.)
101014_0_11838.cpp:19: error: `result' undeclared (first use this function)