1 /* 2     PROBLEM:poj1852 3     AUTHER:Nicole 4     MEMO:水题 5 */ 6 #include<cstdio> 7 using namespace std; 8 int cmax(int a,int b){return a>b?a:b;} 9 int cmin(int a,int b){return a<b?a:b;}10 int main()11 {12     int cases;13     scanf("%d",&cases);14     for (int c=1;c<=cases;c++)15     {16         int l,n;17         int mmax=0,mmin=0;18         scanf("%d%d",&l,&n);19         for (int i=1;i<=n;i++)20         {21             int x;22             scanf("%d",&x);23             mmax=cmax(mmax,cmax(x,l-x));24             mmin=cmax(mmin,cmin(x,l-x));25         }26         printf("%d %d\n",mmin,mmax);27     }28     return 0;29 }