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#include
float a,b,c,x1,x2,m;
printf(\ scanf(\ m=b*b-4*a*c; if (m<0){
printf(\ } else{
x1=(-b+sqrt(m))/(2*a); x2=(-b-sqrt(m))/(2*a);
printf(\ }
return 0; }
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5.1
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1, you have enter 1-bits number 6¨L
6, you have enter 2-bits number a¨L error d¨L error 4¨L
4, you have enter 3-bits number
6¨L
6, you have enter 4-bits number 8¨L
8, you have enter 5-bits number 2¨L
2, you have enter 6-bits number
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#include
char a; int i=0;
printf(\ while(i<6) {
scanf(\ if (a>=48&&a<=57) {
printf(\ } else
printf(\ getchar(); }
return 0; }
5.2
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³ÌÐòÔËÐнá¹ûʾÀý1£º Please enter the number: 21125¨L 21125: 5 bits
³ÌÐòÔËÐнá¹ûʾÀý2£º Please enter the number: -12234¨L -12234: 5 bits
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#include
printf(\ scanf(\ n=x;
for(y=1;x/=10;y++);
printf(\ return 0; }
5.3
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³ÌÐòÔËÐнá¹ûʾÀý1£º Please enter the number: 1¨L 1:odd
5¨L 5:odd 8¨L 8:even 9¨L 9:odd 12¨L 12:even 17¨L 17:odd -1¨L
The total number of odd is 4 The total number of even is 2
³ÌÐòÔËÐнá¹ûʾÀý2£º Please enter the number: -1¨L over!
The total number of odd is 0 The total number of even is 0
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#include
int s,odd=0,even=0;
printf(\ do{
scanf(\
if (s==-1&&odd==0&&even==0) printf(\ else if( s%2!=0 &&s!=-1) {printf(\ else if (s%2==0){printf(\