UVALive 3266 Tian Ji -- The Horse Racing

UVALive 3266 Tian Ji – The Horse Racing

#include <stdio.h>
#include <iostream>
#include <stdlib.h>
using namespace std;
int cmd(const void *a, const void *b) {
return (*(int*)a - *(int*)b);
}
int main() {
int n;
int a[1000], b[1000];
while(cin >> n && n != 0) {
for(int i = 0; i < n; i++)
cin >> a[i];
for(int i = 0; i < n; i++)
cin >> b[i];
qsort(a, n, sizeof(int), cmd);
qsort(b, n, sizeof(int), cmd);
int j1 = 0, j2 = 0;
int i = n - 1, j = n - 1;
int s = 0;
for(int k = 0; k < n; k++) {
if(a[i] > b[j]) {
s++;
i--;
j--;
continue;
}
if(a[j1] > b[j2]) {
s++;
j1++;
j2++;
continue;
}
if(a[j1] < b[j]) {
s--;
}
j1++;
j--;

}
long long int all = s * 200;
printf("%lld\n", all);
}
return 0;
}