HDU 2109 Fighting for HDU

#include <bits/stdc++.h>
using namespace std;

const int maxn = 1e5 + 10;
int a[maxn], b[maxn];

int cmpscore(int num1, int num2) {
    if(num1 > num2)
        return 2;
    else if(num1 == num2)
        return 1;
    else
        return 0;
}

int cmppscore(int num1, int num2) {
    if(cmpscore(num1, num2) == 2)
        return 0;
    else if(cmpscore(num1, num2) == 1)
        return 1;
    else
        return 2;
}

int main() {
    int n;
    while(~scanf("%d", &n)) {
        if(n == 0) break;

        for(int i = 1; i <= n; i ++)
            scanf("%d", &a[i]);
        for(int i = 1; i <= n; i ++)
            scanf("%d", &b[i]);

        sort(a + 1, a + 1 + n);
        sort(b + 1, b + 1 + n);
        int sum1 = 0, sum2 = 0;
        for(int i = 1; i <= n; i ++) {
            sum1 += cmpscore(a[i], b[i]);
            sum2 += cmppscore(a[i], b[i]);
        }

        printf("%d vs %d\n", sum1, sum2);
    }
    return 0;
}