But the results seem disappointing,,,,,,,,,,,,,,,,,,,,,,,
From yesterday until now are doing this thing, you really have no way to put it o brother under
run results below
# include
#include
using namespace std;
Typedef vectorIvec;
//recursive
Bool zhaosushu (ivec v, int d, c, int ivec: : iterator pos)
{
If (c==10)//find the number 10, return true output after
return true;
Else if (* (+ + pos)==(* pos) + d)
{//judgment on the conditions for the next number=a + tolerance
+ + pos.//the iterator down one, for the next recursive
+ + c;//count + 1
Return zhaosushu (v, d, c, pos);
}
Else if (* (+ + pos)!=(* pos) + d)
return false;//does not meet the requirements for the arithmetic progression, and returns false, continue to find the next round of the first series, two number
}
Int main ()
{
Int e=1;//is used to control the while loop
Ivec v1.
Ivec v.
While (e)
{
for(int i=0; i<=500; + + I)//in the vector container insert 500 1, because the subscript starting from 0, so use & lt;=number, insert one more 1
{//this part used in prime Numbers within a 500 if can't find, and then inserted in the container 500 1
Valerie plame ush_back (1);
}
Int k=v. considering ();
//Erato stern, sieve method of screening of prime number
For (int I=2; i<=k; + + I)
{
If (v [I])
{
For (int j=2 * I; j{
V [j]=0;//the subscript as composite number assignment to 0;
}
V1. Insert (v1. End (), I);/* the prime number is put into the container to another vector, actually there is a mistake, each performs a while loop,
The while loop will be inserted into the last prime, wanted to change, but the while loop seems to be performed only once
It's no result
*/
}
}
For (ivec: : iterator pos=v1. The begin (); Pos!=v1. End (); + + pos)//the number of the first location arithmetic progression
{
+ + pos.
For (ivec: : iterator pos1=pos; Pos1!=v1. End (); + + pos1)//the number of the second location arithmetic progression
{
Int d=(* pos1) - (* pos);//the tolerance of arithmetic progression
Int c=2;//count number in series, the reason the first and the second to get tolerance, then find the rest of the number 8, so c=2;
If (zhaosushu (v1, d, c, pos1))//parameter for containers of all prime number 1
{//4 parameters for the second number of arithmetic progression of iterator
CoutCout<* pos<& lt;" "& lt; <* pos1 & lt; E=0;//used to jump out of the while loop
}
}
}
}
return 0;
}
CodePudding user response:
Oneself are actually haven't found the problem... You see how much is your toleranceCodePudding user response:
The twin prime Numbers arithmetic=2, how much arithmetic to find?CodePudding user response:
10000 the prime difference from 2 to 36CodePudding user response:
Int aa=1, ca=4;
While (+ + aa & lt; 10000) judgment prime Numbers (aa);
Aa=0;
While (prime group [+ + aa]) if ((prime group (aa) - prime group [aa - 1))==ca) cout & lt;
2
4
Poor 14