c语言计算机作业编程

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1、七个图形#includeintmain(){charletter;scanf("%c",&letter);switch(letter){case'a':{inti,j,p,q;scanf("%d%d",&p,&q);for(i=1;i<=p;i++){for(j=1;j<=q;j++)printf("*");printf("");}}break;case'b':{inti,j,l,p,q;scanf("%d%d",&p,&q);for(i=1;i<=p;i++){for(l=1;l<=i-1;l++)printf(""

2、);for(j=1;j<=q;j++)printf("*");printf("");}}break;case'c':{inti,j,l,p,q;scanf("%d%d",&p,&q);for(i=1;i<=p;i++){for(l=1;l<=p-i;l++)printf("");for(j=1;j<=q;j++)printf("*");printf("");}}break;case'd':{inti,l,p;scanf("%d",&p);for(i=1;i<=p;i++){for(l=1;l<=i;l++)printf("*");p

3、rintf("");}}break;case'e':{inti,l,p;scanf("%d",&p);for(i=1;i<=p;i++){for(l=0;l<=p-i;l++)printf("*");printf("");}}break;case'f':{inti,j,l,p;scanf("%d",&p);for(i=1;i<=p;i++){for(j=1;j<=p-i;j++)printf("");for(l=1;l<2*i;l++)printf("*");printf("");}}break;case'g':{inti,j,

4、l,p;scanf("%d",&p);for(i=1;i<=p;i++){for(j=1;j<=p-i;j++)printf("");for(l=1;l<2*i;l++)printf("*");printf("");}for(i=p-1;i>=0;i--){for(j=1;j<=p-i;j++)printf("");for(l=1;l<2*i;l++)printf("*");printf("");}}break;}return0;}回文序列：#includeintmain(){charstr1[100],str2[

5、100],t;inti,j,n;gets(str1);strcpy(str2,str1);n=strlen(str1);for(j=0;jintmain(){charsymbol;floata,b;sca

6、nf("%f%c%f",&a,&symbol,&b);switch(symbol){case'+':printf("%f+%f=%f",a,b,a+b);break;case'-':printf("%f-%f=%f",a,b,a-b);break;case'*':printf("%f*%f=%f",a,b,a*b);break;case'/':if(b==0)printf("error");elseprintf("%f/%f=%f",a,b,a/b);break;default:printf("error");}re

7、turn0;}最大公约数#includeintmain(){inta,b;intgys(intm,intn);intgbs(intm,intn);printf("entertwonumberis:");scanf("%d,%d",&a,&b);printf("最大公约数是%d,最小公倍数是%d",gys(a,b),gbs(a,b));}intgys(intm,intn){inti,t;for(i=1;i<=m&&i<=n;i++){if(m%i==0&&n%i==0)t=i;}return(t);}intgbs(int

8、m,intn){intj;j=m*n/gys(m,n);return(j);}最大公约数1#includeintmain(){inta,b,c;intgys(i