CCF历年真题C语言答案

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1、--..--题1：出现次数最多的数#includeintmain(){inti,j,n,s;intt=1;inta[10001]={0};scanf("%d",&n);for(i=0;ia[t])t=s;if(a[s]==a[t])t=(sintmain()word可编辑.--..--{intsum=0;chara[13]={''}

2、;gets(a);sum=(a[0]-'0')*1+(a[2]-'0')*2+(a[3]-'0')*3+(a[4]-'0')*4+(a[6]-'0')*5+(a[7]-'0')*6+(a[8]-'0')*7+(a[9]-'0')*8+(a[10]-'0')*9;if((sum%11==a[12]-'0')

3、

4、(sum%11==10&&a[12]=='X'))//注意正确情况几种类型{printf("Right");}else{if(sum%11==10)a[12]='X';elsea[12]=sum%11+'0';puts(a);}return0;}word可编辑.--..--题3

5、：相反数#includeintmain(){inti,j,n,t=0;inta[501];scanf("%d",&n);for(i=0;itypedefstructwindow1{intx1,x2,y1,y2,order;}window;voidInputwindow(win

6、dowws[],intn){inti;for(i=1;i<=n;i++){scanf("%d%d%d%d",&ws[n-i].x1,&ws[n-i].y1,&ws[n-i].x2,&ws[n-i].y2);ws[n-i].order=i;}}intgetpos(windowws[],intn,intx,inty){inti;for(i=0;i=ws[i].x1&&x<=ws[i].x2&&y>=ws[i].y1&&y<=ws[i].y2){returni;word可编辑.--..--}}return-1;}voidmovewindow(windowws[]

7、,intn,intpos){windoww=ws[pos];inti;for(i=pos-1;i>=0;i--){ws[i+1]=ws[i];}ws[0]=w;}intmain(){inti,n,m,x,y,pos;scanf("%d%d",&n,&m);windowws[n];Inputwindow(ws,n);for(i=0;i

8、r);movewindow(ws,n,pos);}}return0;}题5：相邻数对#include#includeintmain(){inti,j,n,t=0;inta[1001];scanf("%d",&n);for(i=0;iintmain()

9、{inti,j,n,k,t=0;inta[101][4];scanf("%d",&n);for(i=0;i=a[k][0]&&j=a[k][1]&&i