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Closed 12 years ago.
how can i see the answer when i need to solve the decimal code to binary code?
decimal code to binary code? i think that you mean decimal number to binary number, so use std::bitset e.g.
#include <bitset>
...
int i = 49;
std::cout << std::bitset<sizeof(i)*8>(i).to_string() << std::endl;
Related
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Closed 9 years ago.
I was solving a problem where i was asked to output the list of numbers satisfying certain conditions. The score awarded depended upon the size of the output ( as it is a partial marking question). How do i restrict my code to keep outputting the numbers till it does hits the time limit.
It seems like the obvious structure would be something like this:
while (current_time < end_time) {
current_number = *next_number++;
if (meets_conditions(current_number))
output(current_number);
}
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Closed 9 years ago.
and there are exactly 3 integers. No floats allowed. No characters allowed. Just integers.
The pattern for that is this: \d+\s*,\s*\d+\s*,\s*\d+
Matches three digits with any number of spaces
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Closed 10 years ago.
I make some calculation of float numbers in my application. In some cases I got such numbers as -1.#J and 1.#R. What does this mean?
-1.#J is either NaN or inf: What does floating point error -1.#J mean?
1.#R is underflow (exponent too small): http://www.windows-api.com/microsoft/VC-Language/31121018/1r-result-from-floating-point-arithmetic.aspx
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Closed 10 years ago.
I'm new to C++ programming. I want to know how I can input any numbers such as 1256 or 2523 and have the output read as 12.56 or 25.23?
Basically what I want is for the last two digits to appear on the right side of the decimal.
float value = input / 100.0f;
// C way
printf("%.2f\n", value);
// C++ way
cout << setiosflags(ios::fixed) << setprecision(2) << value << endl;
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Closed 11 years ago.
Expand your thoughts upon this:
#define INFINITY ((1 << (8*sizeof (int) - 6)) - 4)
Is expanded?
Why not
numeric_limits<float>::infinity()
or
numeric_limits<double>::infinity()
?
Use numeric_limits from <limits> header file, as
numeric_limits<float>::infinity()
See this : http://www.cplusplus.com/reference/std/limits/numeric_limits/