《C语言程序设计》试题库

''\\'D）"4ascanf("%d%d",&a1,&a2);scanf("%c%c",&c1,&c2);printf("\nInputnumber:");printf("\nf=%f,a=%d\n",f,a);A）scanf("%d,%f",&a,&f);B）scanf("%f,%d",&f,&a);C）scanf("%d%f",&a,&f);D）scanf("%f%d",&f,&a);A）scanf("%f,%f",&f1,&f2);B）scanf("%f%f",&f1,&f2);C）scanf("%3.2f%2.1f",&f1,&f2);D）scanf("%3.2f%2.1f",&f1,&f2);scanf("%d%d%d",&x,&y,&z);printf("x+y+z=%d\n",x+y+z);printf("enterx,y:");A）scanf("%d,%f",&x,&y);printf("\nx+y=%4.2f",x+y);B）scanf("%d%f",&x,&y);printf("\nx+y=%4.2f",x+y);C）scanf("%d%f",&x,&y);printf("\nx+y=%6.1f",x+y);D）scanf("%d%3.1f",&x,&y);printf("\nx+y=%4.2f",x+y);A）输入项可以为一实型常量，如scanf("%f",3.5);scanf("a=%d,b=%d");scanf("%4.2f",&f);D）当输入数据时，必须指明变量的地址，如scanf("%f",&f);printf("%c%c%c",ch1,ch2,ch3);A）scanf("%c%c%c",&ch1,&ch2,&ch3);B）scanf("%c,%c,%c",&ch1,&ch2,&ch3);C）scanf("%c%c%c",&ch1,&ch2,&ch3);D）scanf("%c%c",&ch1,&ch2,&ch3);33.有输入语句：scanf("a=%d,b=%d,c=%d",&a,&b,&c);为使变量a的值为1，b为3，c为printf("%d",s);printf("%d,%d,%d",a,b,c);printf("%d,%d",y,x);scanf("%d",&a);scanf("%d",&a);printf("%d",max);printf("%d\n",num);printf("\n");55.以下能正确计算1×2×3ׄ×10的程序段是for(i=2;i==0;)printf("%d",i--);printf("x=%d,y=%d",x,y);for(x=3;x<6;x++)printf((x%2)?("**%d"):("##%d\n"),x);printf("%d",i);scanf("%d",&n);for(i=0;i<3;i++)scanf("%d",&a[i]);printf("%d\n",a[0]);for(i=0;i<3;i++)scanf("%d",&a[i]);printf("%f\n",a[0]);scanf("%d",&a);printf("a[0]=%d\n",a[0]);for(i=0;i<3;i++)scanf("%d",&a[i]);printf("%d\n",a[0]);for(k=0;k<3;k++)printf("%d",a[k][2-k]);printf("\ni:dec=%d,oct=%o,hex=%x,unsigned=%u\n",i,i,i,i);printf("*%f,%4.3f*\n",3.14,3.1415);printf("c:dec=%d,oct=%o,hex=%x,ASCII=%c\n",c,c,c,c);printf("*d(1)=%d*d(2)=%3d*d(3)=%-3d*\n",d,d,d);printf("*d(4)=%o*d(5)=%7o*d(6)=%-7o*\n",d,d,d);printf("*d(1)=%d*d(2)=%3d*d(3)=%-3d*\n",d,d,d);printf("*d(4)=%x*d(5)=%6x*d(6)=%-6x*\n",d,d,d);printf("*d(1)=%e*d(2)=%.4e*d(3)=%10.4e*\n",d1,d1,d1);printf("*d(4)=%e*d(5)=%.6e*d(6)=%-12.5e*\n",d2,d2,d2);printf("x=%dy=%d*sum*=%d\n",x,y,x+y);printf("10Squaredis:%d\n",10*10);printf("(1)%d\n",x);printf("(2)%6d\n",x);printf("(3)%f\n",56.1);printf("(4)%14f\n",pi);printf("(5)%e\n",568.1);printf("(6)%14e\n",pi);printf("(7)%g\n",pi);printf("(8)%12g\n",pi);printf("(1)%f\n",a);printf("(2)%14.3f\n",a);printf("(3)printf("(4)printf("(5)printf("(6)printf("(7)%6.4f\n",a);%lf\n",b);%14.3lf\n",b);%8.4lf\n",b);%.4f\n",b);for(i=1;i<=5;i++)printf("##%*d\n",i,i);while((c=getchar()!='?')putchar(++c);printf("s=%d",s);while((ch=getchar())!='#')printf("%d,%d\n",v1,v2);do{printf("*");x--;}while(!x==0);printf("a=%d",a);printf("%4d",i);if(【2】)printf("\n");scanf("%d",&n);printf("count=%d,max=%d",count,max);if(【1】)printf("%d\n",sum);printf("m=%d\n",m);do{scanf("%d",&n);k+=n;}while(n!=-1);printf("k=%dn=%d\n",k,n);printf("x=%d,y=%d\n",x,y);printf("%d,%d,",a,b);if(i++%2==0)printf("\n");scanf("%d%d",&a,&b);printf("m=%dn=%d",m,n);scanf("%d",&x);if(x%i==0)printf("%3d",i);if(【1】)printf("%d,%d\n",x,y);{a++;printf("%2d",a);}printf("%2d",i);printf("%d\n",s);printf("Inputa,b:");scanf("%lf%lf",【1】);printf("s=%10.4lf\n",s);1!2!3!printf("e=%f\n",e);printf("sum=%d",sum);case0:i++;printf("#");break;case1:i+=2;printf("*");default:printf("\n");case1:printf("*");break;case2:printf("#");printf("n=%d\n",n);if(k>s)printf("%d",n);if(m==a)printf("%4d",a);printf("%2d%2d%2d",i,j,k);if(l%5==0)printf("\n");printf("\nhongbaihei\n");if(【2】)printf("%3d%3d%3d\n",i,j,k);【］【］scanf("%d",&x);while(x>-1){b[++n]=x;scanf("%d",&x);}for(i=1;i<=j;i++)printf("%3d",b[i]);printf("\n");for(i=0;i<N;i++)scanf("%d",【1】);printf("%3d",a[i]);printf("\n");printf("arraya:\n");printf("%5d",a[i][j]);printf("\n");printf("arrayb:\n");printf("%5d",b[i][j]);printf("\n");printf("arraya:\n");printf("%5d",a[i][j]);printf("\n");printf("arrayb:\n");printf("%5d",b[i][j]);printf("\n");printf("sum1=%d,sum2=%d\n",sum1,sum2);printf("Theresultis:\n");printf("%4d",a[i][j]);printf("\n");printf("sum=%d\n",sum);printf("Thespecialnumbersare(inthearrangeof1000):\n");printf("%6d",a[x]);printf("%5d",x[i]);p