CF 370

A:http://codeforces.com/problemset/problem/370/A

#include<stdio.h>
#include<string.h>
#include<cmath>
#include<algorithm>
using namespace std;

int main()
{
    int chess[10][10];
    memset(chess,0,sizeof(chess));
    for(int i = 1; i <= 8; i+=2)
    {
        for(int j = 2; j <= 8; j+=2)
            chess[i][j] = 1;
    }
    for(int i = 2; i <= 8; i += 2)
    {
        for(int j = 1; j <= 8; j+=2)
            chess[i][j] = 1;
    }
    int r1,c1,r2,c2;
    int ans1,ans2,ans3;
    while(~scanf("%d %d %d %d",&r1,&c1,&r2,&c2))
    {
        if(r1 == r2 && c1 == c2)
        {
            printf("0 0 0
");
            continue;
        }
        if(r1 == r2 || c1 == c2)
            ans1 = 1;
        else ans1 = 2;

        if(chess[r1][c1] == chess[r2][c2])
        {
            if(abs(r1-r2) == abs(c1-c2))
                ans2 = 1;
            else ans2 = 2;
        }
        else ans2 = 0;

        ans3 = max(abs(r1-r2),abs(c1-c2));
        printf("%d %d %d
",ans1,ans2,ans3);
    }
    return 0;
}

B:http://codeforces.com/problemset/problem/370/B

如果第i个是第j个的子集，第j个输出NO，如果没有任何一个集合是第j个的子集，输出YES

#include<stdio.h>
#include<string.h>
int main()
{
    int a[110][110];
    int cnt[110],x,n;
    while(~scanf("%d",&n))
    {
        memset(a,0,sizeof(a));
        for(int i = 0; i < n; i++)
        {
            scanf("%d",&cnt[i]);
            for(int j = 0; j < cnt[i]; j++)
            {
                scanf("%d",&x);
                a[i][x]++;
            }
        }

        for(int i = 0; i < n; i++)
        {
            int flag = 1;
            for(int j = 0; j < n && flag; j++)
            {
                if(i == j) continue;
                flag = 0;
                for(int k = 1; k <= 100&&!flag; k++)
                {
                    if(a[j][k] && !a[i][k])
                        flag = 1;
                }
            }
            if(flag)
                printf("YES
");
            else printf("NO
");
        }
    }
    return 0;
}