View Compilation Error

0_0_1638055_13033.cpp: In function `int main()':
0_0_1638055_13033.cpp:17: error: overloaded function with no contextual type information
0_0_1638055_13033.cpp:21: error: invalid operands of types `int' and `<unknown type>' to binary `operator>'
0_0_1638055_13033.cpp:21: error: overloaded function with no contextual type information
0_0_1638055_13033.cpp:24: error: invalid operands of types `int' and `<unknown type>' to binary `operator<='