>>261
#include <stdio.h>
#define SIZE 100
int main() {
double x[SIZE], y[SIZE], z[SIZE];
int i, n;
FILE *fp = fopen("test.txt", "r");
fscanf(fp, "%d", &n);
for (i=0; i<n; i++) fscanf(fp, "%lf %lf %lf", &x[i], &y[i], &z[i]);
fclose(fp);
return 0;
}