PTA 乙级 1082 射击比赛

代码实现：

#include<stdio.h>
#include<math.h>

int main()
{
	int N, max_index = 0, min_index = 0;
	double array[10000];

	scanf("%d", &N);
	for (int i = 0; i < 10000; i++)
		array[i] = -1;
	for (int i = 0; i < N; i++)
	{
		int num, x, y;
		scanf("%d %d %d", &num, &x, &y);
		array[num] = sqrt(x*x + y * y);
	}
	for (int i = 0; i < 10000; i++)
		if (array[i] != -1)
			min_index = i;
	for (int i = 1; i < 10000; i++)
		if (array[i] > array[max_index] && array[i] != -1)
			max_index = i;
		else if (array[i] < array[min_index] && array[i] != -1)
			min_index = i;
	printf("%04d %04d", min_index, max_index);

	return 0;
}