c语言-//谁考了第k名

#include<stdio.h>

int main()

{

int n = 0, k = 0, num = 0, xue[200],i=0;

float grade [200] ;

scanf_s("%d %d", &n, &k);

printf("\n");

for (num = 0; num < n; num++)

{

scanf_s("%d %f",&xue[num], &grade[num]);

}

for (i = 0; i <= n; i++)

{

num = 0;

for (num = 0; num < n; num++)

{

if (grade[num] < grade[num + 1])

{

float tmp = grade[num];

grade[num] = grade[num + 1];

grade[num + 1] = tmp;

float tem = xue[num];

xue[num] = xue[num + 1];

xue[num+1] = tem;

}

}

}

printf("%d %g",xue[k-1], grade[k - 1]);

return 0;

}