The `long long` size modifier was introduced in C++11 and can be used with integral types to select an integer of at least 64 bits.
See cppreference for more information.
Questions tagged [long-long]
131 questions
2
votes
0 answers
Facing undefined symbols linker issue with Diab compiler when I type cast array of data from float to long long
I wrote a small example code and executed in both GCC and DIAB compilers.
#include
int main()
{
float a[10];
long long int b[10];
int i;
for (i =0;i<10;i++)
{
a[i] = 1.256*i;
b[i] = (long long…
sateesh kancharana
- 21
- 1
2
votes
0 answers
Cython division by long long causes Python crash
I have the following code in test.pyx
cdef class Test:
cdef long long i
def __cinit__(self, long long i):
self.i = i
def __truediv__(Test self, Test other):
return Test(self.i / other.i)
In a short python script I have…
Mobious
- 122
- 8
2
votes
3 answers
Printing maximum values of INT
I try to print the maximum value of int in a program.
Using the following code::
#include
#include
int main(void) {
printf("%d",INT_MAX);
return 0;
}
The output I get is:: 2147483647
But, when I change my printf…
user007
- 2,156
- 2
- 20
- 35
2
votes
1 answer
How to compare a long long with a double?
(This has to be a duplicate, but I can't find a duplicate...)
How do I properly compare a long long with a double in C++?
Casting either to the other can cause loss of precision and possibly overflow, so I'm not sure what to do...
user541686
- 205,094
- 128
- 528
- 886
2
votes
1 answer
Rounding issue when using long long on PIC
I'm doing a simple bit of maths on a PIC microcontroller, running code in C and using MPLABX and the xc16 compiler. This is the code:
double mydouble = 0.019440;
long long int mypower = 281474976710656;
long long int result =…
edipo99
- 37
- 1
- 4
2
votes
1 answer
How to declare an unsigned long long in Protobuf?
What is the right way to declare an unsigned LongLong (unsigned __int64) in Protobuf, so it would be used for both, Android and Windows?
EDIT:
I thought that I might need to use to variables, each holds a uint64, but I wasn't sure if this is the…
user844541
- 2,868
- 5
- 32
- 60
2
votes
2 answers
long long integer is not working in C(UNIX+AIX6.1)
I am using cc compiler on AIX 6.1 (Unix)
#include
int main()
{
long long var;
scanf("%lld",&var);
printf("%lld",var);
return 0;
}
/* When I enter 16 digit number for above code its…
Shrirang Kumbhar
- 363
- 4
- 17
1
vote
2 answers
assigning a value to a long long integers using gcc on sparc solaris
I came across something that I think rather strange. The test program
int main(int argc, char* argv[])
{
cout<<"hello"<
camelccc
- 2,847
- 8
- 26
- 52
1
vote
1 answer
Parse a string as a (long long) integer
I am writing a code in which I need to parse a string to a "long long int"
I used to use atoi when changing from string to int, I dont think it still work. What Can I use now?
--Thanks
Syntax_Error
- 5,964
- 15
- 53
- 73
1
vote
1 answer
Getting a negative answer after raising number to the power of x
I have this code that returns the answer after raising a number to an nth number.
int getPower(int base, int x){
int result=1;
while (x != 0) {
result *= base;
--x;
}
return result;
}
I tried testing out where base…
rinrin
- 49
- 5
1
vote
1 answer
compatibility 32bit-excel and 64-bit excel (office 365)
I am not experienced at vba so thank you for understanding.
I tested some old macros in office 365, previously I worked with excel 2016.
I read that some macros might not work properly because of the Long variable declaration. -
As I understand…
Emilia Rajchel
- 85
- 6
1
vote
1 answer
How do I convert a long long into a string?
I am creating a program that takes a numerical input from the user as a long long, and then there is some maths involved with individual digits. I think the best way to do this is to convert the long long to a string and then iterate over the…
EdCase
- 119
- 2
- 7
1
vote
2 answers
Why is "int" not working correctly with "j" but long long is working fine?
This is my code with int j:
void solve(){
unsigned long long n;
cin>>n;
unsigned long long sum = 0;
int j = 1;
for(int i=3;i
Keshav Garg
- 85
- 8
1
vote
3 answers
Formatting Commas into a long long integer
this is my first time posting a question. I was hoping to get some help on a very old computer science assignment that I never got around to finishing. I'm no longer taking the class, just want to see how to solve this.
Read in an integer (any valid…
soulgood
- 11
- 2
1
vote
1 answer
C++ reading csv into vector, getline() problem
My csv file data is look like this:
Palmer Shannon,1.66805E+12,7500,3020
Jonas Kelley,1.62912E+12,9068,1496
Jacob Doyle,1.61608E+12,1112,3502
Iola Hayden,1.60603E+12,6826,4194
This is my header file :
#ifndef client_h
#define client_h
#include…
rickyho1997
- 11
- 1