c语言程序实例.doc

1译码：# include int main()char c;while(c=getchar()!=n) if(c=a&c=A&c=Z) c=c-4; if(c=a-4|cA) c=c+26; printf(%c,c);printf(n);return 0;Glmre!China! 2输出九九乘法表的左上半角：# include int main() int k,i,j; for(i=1;i=9;i+) for(j=1;j=10-i;j+) k=i*j; printf(%5d,k); printf(n); return 0; 3求n阶乘d的和（1!+2!+3!+n!=?）:# include int main() int i,n,t=1,g=0; scanf(%d,&n); for(i=1;i=n;i+) t=t*i; g=g+t; printf(%dn,g); return 0; 4输出一组数中的最大值与最小值：# include int main() int a10,i,max,min; for(i=0;i10;i+) scanf(%d,&ai); max=a0; min=a0; for(i=1;i10;i+) if(maxai) min=ai; printf(max=%dn,max); printf(min=%dn,min); return 0;5输入三边长判断能否构成三角行，若能是那种？:# include int main ()int a,b,c;scanf(%d,%d,%d,&a,&b,&c);if (a+b=c|a+c=b|b+c=a)printf(不能构成三角形n);else if(a=b & b=c) printf(此三角形是等边三角形n); if (a=b|b=c|a=c) printf(此三角形是等腰三角形n); if (a!=b&b!=c&a!=c) printf(此三角形是不等边三角形n);return 0;6输入成绩输出等级：(1）if语句法: # includeint main()int x;scanf(%d,&x);if(x100 | x=90 & x=80 & x=70 & x=60 & x=0 & x60) printf(En);return 0;(2)switch语句法:# incldeint main() int grade; scanf(%d,& grade); switch(grade/10) case 0: case 1: case 2: case 3: case 4: case 5:printf(En);break; case 6:printf(Dn);break; case 7:printf(Cn);break; case 8:printf(Bn);break; case 9: case 10:printf(An);break; default :printf(errorn); return 0;输出由*组成的菱形： * * * * * *#include int main ()int i,j,k;for(i=0;i4;i+) for(j=0;j3-i;j+) printf( ); for(k=0;k=2*i;k+) printf(*);printf(n);for(i=0;i3;i+)for(j=0;ji+1;j+) printf( );for(k=0;k5-2*i;k+)printf(*);printf(n);return 0;7冒泡排序法：# include int main ()int a10;int i,j,t;printf(intput 10 numbers:n);for(i=0;i10;i+)scanf(%d,& ai);printf(n);for(j=0;j9;j+)for(i=0;iai+1)t=ai;ai=ai+1;ai+1=t; printf(the sorted numbers :n);for(i=0;i10;i+)printf(%3d,ai);printf(n);return 0;8、输出： 1 121 12321 1234321 . .的数阵：# include int main () int i,j,k,n; scanf(%d,n); for(i=0;in+1;i+) for(j=0;jn-i;j+) printf( ); for(k=1;k0;k+) printf%d,k0; printfnn); return 0;9、输入十个数，按照从大到小的顺序排列，再输入一个十个数之中或之间的数，用折半查找法寻找，如果有，输出它的位置，如果没有将它插入序列当中）# include int main ()int a10;int i,j,t,k;int low,hig,mid;printf(intput 10 numbers:n);for(i=0;i10;i+)scanf(%d,& ai);printf(n);for(j=0;j9;j+)for(i=0;i9-j;i+)if(aiai+1)t=ai;ai=ai+1;ai+1=t; printf(the sorted numbers :n);for(i=0;ik)low=mid+1; else if(amidk)hig=mid-1; else break; mid=(low+hig)/2;while(lowhig)printf(%d在a%d与a%d之间,k,hig,hig+1);else printf(a%d,mid); return 0;10 数组转置：# include int main()int i,j,t;int a33=4,5,6,7,8,9,0,1,2;for(i=0;i3;i+)for(j=0;j3;j+) printf(%3d,aij);printf(n);printf(n);printf(now array is:n);for(i=0;i3;i+)for(j=0;j=i;j+)t=aij;aij=aji;aji=t;for(i=0;i3;i+) for(j=0;j3;j+)printf(%3d,aij); printf(n); return 0;11 数组顺时针旋转90度：# include int main()int i,j,b33=0;int a33=4,5,6,1,2,3,7,8,9;printf(n);for(i=0;i3;i+)for(j=0;j3;j+) bj2-i=aij;printf(array a:n);for(i=0;i3;i+)for(j=0;j3;j+) printf(%3d,aij);printf(n);printf(array a转置后为array b:n);for(i=0;i3;i+) for(j=0;j3;j+)printf(%3d,bij); printf(n); return 0;12 结构体输出表格：# includestruct studentint num;char name20;char sex;int age;struct student stu3=1