mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
46 lines
950 B
C++
46 lines
950 B
C++
#include<stdio.h>
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#include<string.h>
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int main()
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{
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char c[20];
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while(scanf("%s",c),c[0]!='E')
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{
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int x=0,y,flag=1;
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int k;
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for(int i=0;c[i];i++)
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{
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if(c[i]=='-'&&i==0)
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flag=-1;
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else
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x=x*10+c[i]-48;
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}
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x=x*flag;
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scanf("%d",&y);
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if(x<0)
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x=-x;
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if(y<0)
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y=-y;
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if(y<x) {k=x;x=y;y=k;}
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if(y<=2*x)
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{
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if(x==1&&y==1)
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printf("2\n");
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else if(x==2&&y==2)
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printf("4\n");
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else
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printf("%d\n",(x+y)/3+(x+y)%3);
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}
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else
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{
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int ans=x;
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int c=(y-2*x)%4;
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ans+=c;
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ans+=(y-2*x-c)/2;
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if(y==1&&x==0)
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ans=3;
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printf("%d\n",ans);
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}
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}
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return 0;
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}
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