View Compilation Error

0_0_5112231_3202.cpp:11: error: new types may not be defined in a return type
0_0_5112231_3202.cpp:11: error: `bool' is now a keyword
0_0_5112231_3202.cpp: In function `myPair operator==(myPair, myPair)':
0_0_5112231_3202.cpp:12: error: conversion from `int' to non-scalar type `myPair' requested
0_0_5112231_3202.cpp: In function `int main()':
0_0_5112231_3202.cpp:38: error: no match for 'operator!=' in 'm2 != tm'
0_0_5112231_3202.cpp:58: error: invalid use of member (did you forget the `&' ?)