poj1046 简单题

#include<iostream>#include<cmath>using namespace std;typedef struct fun{int x,y,z;}rr;fun a[17];int main(){int i,j,k,x,y,z;for(i=0; i<16; i++)scanf("%d%d%d",&a[i].x,&a[i].y,&a[i].z);while(1){scanf("%d%d%d",&x,&y,&z);if(x==-1 && y==-1 && z==-1)break;int sum=INT_MAX;for(i=0; i<16; i++){j=(x-a[i].x)*(x-a[i].x)+(y-a[i].y)*(y-a[i].y)+(z-a[i].z)*(z-a[i].z);if(j<sum){sum=j;k=i;}}printf("(%d,%d,%d) maps to (%d,%d,%d)\n",x,y,z,a[k].x,a[k].y,a[k].z);}return 0;}