FilesExpand file tree

 master

/

Extended_Euclidean.cpp

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

30 lines (29 loc) · 645 Bytes

 master

/

Extended_Euclidean.cpp

Copy path

Top

File metadata and controls

• Code
• Blame

30 lines (29 loc) · 645 Bytes

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

/*

Task : Extended_Euclidean

Author : Phumipat C. [MAGCARI]

School : RYW

Language : C++

Explanation :

Created : 08 May 2021 [13:20]

*/

#include<bits/stdc++.h>

#define all(x) begin(x),end(x)

#define sz(x) (int)(x).size()

#define MOD (LL )(1e9+7)

using namespace std;

using LL = long long;

using PII = pair<int ,int >;

using PLL = pair<long long ,long long >;

const int dir4[2][4] = {{1,-1,0,0},{0,0,1,-1}};

const int dir8[2][8] = {{-1,-1,-1,0,1,1,1,0},{-1,0,1,1,-1,0,1,-1}};

void extended_euclidean(int a,int b,int *x,int *y){

if(b==0){

*x=1;

*y=0;

return ;

}

int u,v;

extended_euclidean(b,a%b,&u,&v);

*x=v;

*y=u-v*(a/b);

}