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
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votes
3 answers
truncated integer division removal
How do T avoid truncated integer division in this code? My sorted array is 1 1 1 1 1 1, so a[0] = 1 and a[n] should be 1 / 2 = 0.5.
int main()
{
long long n,w;
scanf("%lld %lld", &n, &w);
long long arr[2*n];
for(long long i = 0; i <…
satyajeet jha
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votes
1 answer
long long variable doesn't show correct answer
its some miscalculation.
I am in trouble with large numbers.
this code works for some smaller inputs(N) but for inputs like 100000 it doesn't.
the correct final answer of result variable when N = 100000 must be 4999949998
but result in this code is…
mama23n
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- 10
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votes
3 answers
Impossible to print a long long integer in C
I know there are many topics on this subject but none of them helped me to fix my problem.
I work on Code::Blocks (with the option -std=c99 in "Properties>Project Build Options>Compiler Settings>Other Options") and the following code doesn't give…
fonfonx
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-1
votes
1 answer
Error in Printing a long long int
I'm new to C++. I have written a program that uses unsigned long long int data type.
I am not able to print the variable properly
here is the code:
#include
#include
#include
#include
#include…
Aneesh K
- 147
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- 10
-2
votes
1 answer
C++ count digit of factorial of a large digit, two digit number or more
Click Here to View CodeFunction to perform factorial of digit and count the number of digit of that factorial
When i give "Input:13" this code give the desired output but when i use a "Input: digit greater the this or 3 digit number" then it is…
Tilak Raj
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votes
2 answers
Explicit (long long) conversion of arithmetic expression returns 0
When I multiply a long long value with a double value, I get a double value.
To convert it back to long long, I use (long long).
But the output I get is 0, when it should be 10.
This is my code:
#include
using namespace std;
int…
Garfieldsam
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votes
3 answers
C program using recursion need to get optimised and fixed
I was solving a task that was - a user is entering 3 numbers, a, b, c. The goal is to find if you can get to c summing a and b. In each step is allowed to add a to b, and b to a. I need to find if that is possible with the entered numbers. The…
Juzles
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votes
2 answers
Long data type calculation - Why is Java much faster than C++
I wrote some code both in C++ and in Java to see which will run faster.
All this code does is it basically increments two variables and then multiplies them.
As expected, C++ was slightly faster than Java.
Everything was fine until I changed the…
user2472380
- 23
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votes
1 answer
Checking overflow long long in C
I want to check variable from fgets isn't overflowing ling long int in C language.
I tried this:
long long x;
fgets(...)
...
if(x <= LLONG_MAX && x >= LLONG_MIN)
but it is not working because long long int will receive too large number; it
goes…
mlabuda2
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votes
1 answer
C++ long long issues
I've been using signed long longs and have had weird issues with it - i.e. inconsistent behavior. I.e.
long long i;
printf("%d", i);
This tends to print values which have no relevance to the actual value of i (this also occured with cout).
It also…
Cjen1
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votes
2 answers
C: command-line argument as binary not identical to local variable as binary
I have c program that takes in a long long argument. When i try to convert this long to its binary representation then it turns out all wrong. But if i set a long long variable that is equal to the value of the long long argument then i get the…
Nulle
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