2、#includevoidmain(){inta[6][6],b[6],i,j;printf("请输入6个整数:");for(i=0;i<6;i++){scanf("%d",&b[i]);}for(i=0;i<6;i++){a[0][i]=b[i];}for(i=1;i<=5;i++)a[i][0]=b[6-i];for(i=1;i<=5;i++)for(j=1;j<=5;j++){a[i][j]=a[i-1][j-1];}for(i=0;i<=5;i++){for(j=0;j<=5;j++)printf("%d",a[i][j]);printf("\n");}}3、#includevoidmain(){inti,j,count,n;inta[100][100];printf("请输入矩阵的阶n=");scanf("%d",&n);count=1;for(i=1;i<=n/2;i++){for(j=i;j<=n-i+1;j++)//上侧{a[i][j]=count;count++;}for(j=i+1;j<=n-i;j++)//右侧{a[j][n-i+1]=count;count++;}for(j=n-i+1;j>=i+1;j--)//下侧{a[n-i+1][j]=count;count++;}for(j=n-i+1;j>=i+1;j--)//左侧{a[j][i]=count;count++;}}if(n%2==1){i=(n+1)/2;a[i][i]=n*n;}for(i=1;i<=n;i++){for(j=1;j<=n;j++)printf("%2d",a[i][j]);printf("\n");}}4、#includevoidmain(){inti,j,n,a[100][100],count=1;printf("请输入方阵的阶n:");scanf("%d",&n);for(i=1;i<=n;i++)for(j=1;j<=i;j++){a[i-j+1][j]=count;count++;}for(i=1;i<=n;i++){for(j=1;j<=n-i+1;j++)printf("%4d",a[i][j]);printf("\n");}}5、#includevoidmain(){inti,j,count,n;inta[100][100];printf("请输入矩阵的阶n=");scanf("%d",&n);count=1;for(i=1;i<=n/2;i++){for(j=i;j<=n-i+1;j++)//上侧{a[i][j]=count;}for(j=i+1;j<=n-i;j++)//右侧{a[j][n-i+1]=count;}for(j=n-i+1;j>=i+1;j--)//下侧{a[n-i+1][j]=count;}for(j=n-i+1;j>=i+1;j--)//左侧{a[j][i]=count;}count++;}if(n%2==1){i=(n+1)/2;a[i][i]=i;}for(i=1;i<=n;i++){for(j=1;j<=n;j++)printf("%2d",a[i][j]);printf("\n");}}10、狼找兔子问题:一座山周围有n个洞,顺时针编号为0,1,2.,…,n-1。一只狼从0号洞开始,顺时针方向计数,每当经过第m个洞时,就进洞找兔子输入m,n,问兔子有没有幸免的机会?如果有,该藏哪里?#includevoidmain(){inta[100],b[100],i,n,m,k=0,flag=0;printf("请输入洞的个数n:");scanf("%d",&n);printf("请输入要经过洞的个数m:");scanf("%d",&m);for(i=0;i0){printf("\n兔子有幸免的机会,位置为:\n");for(i=0;ivoidmain(){inta[100],i,sum,k,n=0;for(i=0;i<100;i++)a[i]=1;sum=0;for(i=2;i<53;i++){k=1;while(i*k<53&&sum<=104){a[i*k]=-a[i*k];k=k+1;++sum;}}printf("正面朝上的牌的位置为\n");for(i=1;i<53;i++)if(a[i]==1){n++;printf("%d",i);}printf("\n");printf("总共%d张牌\n",n);}13、A,B,C,D,E5人为某次竞赛的前五名,他们在公布名次前猜名次。A说:B得第三名,C得第五名。B说:D得第二名,E得第四名。C说:B得第一名,E得第四名。D说:C得第一名,B得第二名。A说:D得第二名,A得第三名。结果每个人都猜对了一半,实际名次是什么呢?#includevoidmain(){inta,b,c,d,e;for(a=1;a<=5;a++)for(b=1;b<=5;b++)if(a!=b)for(c=1;c<=5;c++)if(c!=a&&c!=b)for(d=1;d<=5;d++){if(d!=a&&d!=b&&d!=c)e=15-a-b-c-d;if(e!=a&&e!=b&&e!=c&&e!=d)if((b==3)+(c==5)==1&&(d==2)+(e==4)==1&&(b==1)+(e==4)==1&&(c==1)+(b==2)==1&&(d==2)+(a==3)==1){printf("五人的名次分别为:\n");printf("A\tB\tC\tD\tE\n");printf("%d\t%d\t%d\t%d\t%d\n",a,b,c,d,e);}}}14、#includevoidmai...