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how to do#include<stdio.h>
#include<math.h>
main()
{
int a[16][3],r,g,b,i;
float A,D;
for(i=0;i<16;i++)
scanf("%d %d %d",a[i][3]);
scanf("%d %d %d",&r,&g,&b);
while(r!=-1&&g!=-1&&b!=-1){
for(i=0;i<16;i++){
D=(a[i][0]-r)*(a[i][0]-r)+(a[i][1]-g)*(a[i][1]-g)+(a[i][2]-b)*(a[i][2]-b);}
A=(a[0][0]-r)*(a[0][0]-r)+(a[0][1]-g)*(a[0][1]-g)+(a[0][2]-b)*(a[0][2]-b);
if(A>D)printf("(%d,%d,%d) maps to (%d,%d,%d)\n",r,g,b,a[i][0],a[i][1],a[i][2]);
scanf("%d %d %d",&r,&g,&b);
}
}
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