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edit approved Jan 19, 2016 at 11:21

C++

This is similar to some other methods, but I think slightly sneakier because at a glance it looks extremely straightforward.

 #include "iostream.h" int main() { int TWO = 2; int F0UR = 4; std::cout<< TWO << " + " << TWO << " = " << FOUR; return 0; }

 #include "iostream.h" int main() { int TWO = 2; int F0UR = 4; std::cout<< TWO << " + " << TWO << " = " << FOUR; return 0; }

This prints to the console:

2 + 2 = 5

The trick here is that "iostream.h" is actually a local file containing
 #include < iostream > #define FOUR 5 
Here the macro FOUR is defined to be 5. In the code body, the integer is F0UR, using a zero instead of the letter "O" as the second character. Depending on the font used, this difference can be very difficult to detect.

C++

This is similar to some other methods, but I think slightly sneakier because at a glance it looks extremely straightforward.

 #include "iostream.h" int main() { int TWO = 2; int F0UR = 4; std::cout<< TWO << " + " << TWO << " = " << FOUR; return 0; }

This prints to the console:

2 + 2 = 5

The trick here is that "iostream.h" is actually a local file containing
 #include < iostream > #define FOUR 5 
Here the macro FOUR is defined to be 5. In the code body, the integer is F0UR, using a zero instead of the letter "O" as the second character. Depending on the font used, this difference can be very difficult to detect.

C++

This is similar to some other methods, but I think slightly sneakier because at a glance it looks extremely straightforward.

 #include "iostream.h" int main() { int TWO = 2; int F0UR = 4; std::cout<< TWO << " + " << TWO << " = " << FOUR; return 0; }

This prints to the console:

2 + 2 = 5

The trick here is that "iostream.h" is actually a local file containing
 #include < iostream > #define FOUR 5 
Here the macro FOUR is defined to be 5. In the code body, the integer is F0UR, using a zero instead of the letter "O" as the second character. Depending on the font used, this difference can be very difficult to detect.

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answered Oct 4, 2015 at 1:22

Liam

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C++

This is similar to some other methods, but I think slightly sneakier because at a glance it looks extremely straightforward.

 #include "iostream.h" int main() { int TWO = 2; int F0UR = 4; std::cout<< TWO << " + " << TWO << " = " << FOUR; return 0; }

This prints to the console:

2 + 2 = 5

The trick here is that "iostream.h" is actually a local file containing
 #include < iostream > #define FOUR 5 
Here the macro FOUR is defined to be 5. In the code body, the integer is F0UR, using a zero instead of the letter "O" as the second character. Depending on the font used, this difference can be very difficult to detect.