608720个吧
跑了我好久的说#include <myLib/myLib.h>
//判断是否为可反数
bool isz(int z)
{
char buf[10]={0};
char b[10]={0},c[10]={0};
itoa(z,buf,10);
int len = strlen(buf);
memcpy(b,buf,len);
memcpy(c,buf,len);
;//c是反过来的数 b是没反的
reverse(c,c+len);
if(c[0]=='0') return false;
//2个数字的和
int value = atoi(b) + atoi(c);
while (value)
{
if((value%10)%2==0)
return false;
value/=10;
}
return true;///*******************
}
int main()
{
int m = 0;
//10亿 干 2^31 = 2147483648
//10Y = 1000000000
for (int z = 1;z<=1000000000;z++)
{
if(isz(z))
{
m++;
//std::cout<<z<<endl;
}
}
std::cout<<m;
return 0;
}
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