41 lines
720 B
C++
41 lines
720 B
C++
#include <iostream>
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#include <cmath>
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using namespace std;
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struct Note
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{
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int x;
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int y;
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int z;
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};
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int main()
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{
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Note a,b;
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int m,n;
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while(cin>>m>>n)
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{
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int sa=0;
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int sb=0;
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int k;
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int t=ceil(sqrt(m));
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a.x=t;
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k=(m-(t-1)*(t-1))/2;
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a.y=t-k;
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k=((2*t-1)-m+(t-1)*(t-1))/2;
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a.z=t-k;
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if((2*t-1-m+(t-1)*(t-1))%2==0) sa=1;
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if(sa==0) a.z=a.z-1;
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t=ceil(sqrt(n));
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b.x=t;
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k=(n-(t-1)*(t-1))/2;
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b.y=t-k;
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k=((2*t-1)-n+(t-1)*(t-1))/2;
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b.z=t-k;
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if((2*t-1-n+(t-1)*(t-1))%2==0) sb=1;;
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if(sb==0) b.z=b.z-1;
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int ans=0;
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ans=abs(a.x-b.x)+abs(a.y-b.y)+abs(a.z-b.z);
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cout<<ans<<endl;
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}
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return 0;
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}
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