42 lines
734 B
C++
42 lines
734 B
C++
#include<cstdio>
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#include<cstring>
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#include<iostream>
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#include<cstdlib>
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using namespace std;
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int numa[11],numb[11];
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int main()
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{
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int T,a,b;
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scanf("%d",&T);
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while(T--)
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{
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scanf("%d%d",&a,&b);
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int x=(a+b)/2;
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int y=a-x;
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int coua=0,coub=0;
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int ita=abs(x);
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int itb=abs(y);
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while(ita)
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{
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numa[coua++]=ita%10;
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ita/=10;
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}
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while(itb)
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{
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numb[coub++]=itb%10;
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itb/=10;
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}
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int xx=0,yy=0;
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for(int i=0;i<coua;i++)
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xx=xx*10+numa[i];
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for(int i=0;i<coub;i++)
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yy=yy*10+numb[i];
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if(x<0)
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xx=-xx;
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if(y<0)
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yy=-yy;
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printf("%d %d\n",xx+yy,xx-yy);
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}
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return 0;
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}
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