数据结构读程序写结果.docx

1、数据结构读程序写结果读程序写结果题C语言基础1main() int a; double b; b=3.5; a=(int)b; printf(%d,%.1fn,a,b);2 main() int a,b,d=25; a=d%10; b=a&d; printf(%d,%dn,a,b);3main() char A1; A1=A+9-5; printf(%c,%dn,A1,A1);4main() int a=1,b=1,c=1; b=b+c; a=a+b; printf(%d,a); printf(%d,b);5main() int a=1,b=2; printf(%d, a); printf(%

2、dn, a+b);6main() int m=1,n=2; m+=n; n-=m; m=m+n; printf(%d,%dn,m,n);7main() int a=4,b=5,c=0,d,e; d=a&c; e=ab|c; printf(%d,%dn,d,e);8main() int x=5,y=6; xy?-x:-y; printf(%d,%dn,x,y);9main() int x=3,y=3; y=x-; printf(%d,%dn,x,y);10main() int x=20,y,z; y=0x20; z=0x & x20; printf(%d,%d,y,z);分支语句1main()

3、int a=10,b=4,c=3; if(ab) a=b; if(ab) printf(%d,%dn,a,d); else if(c-1=d) printf(%d,%dn,b,d+1); else printf(%d,%dn,c,d+2);3main() float x=2,y; if(x0) y=0; else if(x10) y=1; else y=2; printf(%.0f,%.0fn,x,y);4main() int x=0,a=0,b=1; switch(x) case 0: b+; case 1: a+;break; case 2: a+;b+; printf(%d,%dn,a,

4、b);循环语句1main() int i,sum; for(i=1,sum=10;i=3;i+) sum+=i; printf(%d,%dn,i,sum);2main() int i,j; for(i=1;ii;j-) printf(*); printf(n); 3main() int x=1,a=0,b=0; switch(x) case 0: b+; case 1: a+; break; case 2: a+; b+; printf(%d,%dn,a,b);4main() int x=15; do x+; printf(%d,x); if(x/3)x+;break; else contin

5、ue; while(x10&x50); printf(%dn,x);5main() int a,b; for(a=1,b=1;a5) break; if(b%3=1) b+=3;continue; b-=5; printf(%d,%dn,a,b);6main() int i,j,s=0; for(i=1;ii+1;j-) s+=i+j; printf(%d,%d,j,s);7main() int i,k,a10,p3; k=5; for(i=0;i10;i+) ai=i; for(i=0;i3;i+) pi=ai*(i+1); printf(%d,%dn,p1,p2);8main() int

6、n=2,k=0; while(n5) k=n+; printf(%d,%dn,k,n);9main() char a=*; int i,j,k; for(i=0;i4;i+) printf(n); for(j=0;ji;j+) printf(%c, ); for(k=0;k4;k+) printf(%c,ak); 10main() int c=0,k; k=1; switch(k) default: c+=k; case 2: c+; break; case 4: c+=2; k+; break; printf(%d,%dn,k,c);11main() int i,n6=0; for(i=1;

7、i=4;i+) ni=ni-1*2+1; printf(%d,%dn,n3,n5);12main() int x=23; do printf(%d,x-); while(!x); printf(%d,x);13main() int i,sum=0; for(i=3;i10;i+) if(i%3=0) sum+=i; else break; printf(%d,%dn,i,sum);14main() int i,j; for(i=1;i0;j-) printf(*); printf(n); 数组1main() int c; char num4=CDEF,ACBD; c=num01-A; prin

8、tf(%d,%cn,c,num12);2main() int a33=1,2,3,4,5,6; int i,j,s=0; for(i=0;i3;i+) for(j=0;j=i;j+) s+=aij; printf(%d,%d,a12,s);3#include main() char str120=China0USA, str220=Beijing; int i, k; i=strlen(str1); k=strlen(str2); printf(%d,%dn, i,k);4main() int i,n3; for(i=0;i3;i+) ni=i; for(i=0;i0); printf(%d,

9、%dn,x1,x0);7#include main() char c=a,t=you and me; int n,k,j; n=strlen(t); for(k=0;kn;k+) if(tk=c) j=k; break; else j=-1; printf(%d,%dn,j,n);8main( ) int a=2,3,4,*p; p=a+1; printf(%d,%dn,a1,p1);9下列函数的功能是实现大写字母转换成小写字母。#includechar fun(char *c) if(*c=A)*c-=A-a;return *c; 10main() int a=1,3,5,7; int *p

10、=a+1; printf(%d,%dn,a1,p1);11main() int a=2,4,6,8,10; int y=0,x,*p; p=&a1; printf(%d,%dn,a1,*(p+1);函数1int f1(int x,int y) return xy?x:y; int f2(int x,int y) return xy?y:x; main() int a=3,b=2,c=4,d=5,e,f; e=f2(a,d); f=f1(f1(b,d),c); printf(%d,%dn,e,f);2char *fun(char *s,char c) while(*s&*s!=c) s+; re

11、turn s;main() char *s=abcdefg,c=d,*p; p=fun(s,c); printf(%c,%c,s2,*p);3int f(int n);main() int a=3,b,c; b=f(a); c=f(a); printf(%d,%dn,b,c);int f(int n) static int a=1; a+; return n+a;4int f1(int x,int y) return xy?x:y; int f2(int x,int y) return xy?y:x; main() int a=4,b=3,c=5,d=2,e,f; e=f1(a,b); f=f

12、2(f1(a,b),f1(c,d); printf(%d,%dn,e,f);5int a=100;int fun() int a=10; printf(%d,a); return a;main() fun(); printf(%dn,a);6int fun(int num) int k=0; while(num) k=k*10+num%10; num/=10; printf(%d,%dn,num,k); return k;main() int n=3812; fun(n);7int fib(int n) if(n2) return(fib(n-1)+fib(n-2); else return(

13、1);main() printf(%d,%dn,fib(4),fib(7);8jiaohuan(int a, int b) int t; t=a; a=b; b=t;main() int a=3,b=5; jiaohuan(a,b); printf(%d,%d,a,b);9#define N 4fun(int tN,int n) int i,sum; sum=0; for(i=0;i0) t=t+s%10; s=s/10; return t;main() long s=7654321; int t; t=fun(s); printf(%ld,%dn,s,t);13int fun() stati

14、c int a=10; a+; return a;main() int a=1; a=fun(); printf(%d,a); a=fun(); printf(%dn,a);14swap(int *a, int b) int t; t=*a; *a=b; b=t;main() int a=3,b=5; swap(&a,b); printf(%d,%d,a,b);15#include string.hfun(char *s) char *p=s; while(*p) *p=*p+2; p+; main() char a=AB; fun(a); puts(a);16int a=3;int f()

15、int a=5; printf(%d,a); return a;main() f(); printf(%dn,a);17f() static c=3; c+=2; return c;main() int a,b; a=f(); b=f(); printf(%d,%dn,a,b);宏定义1#define SUB(a) (a)-amain() int a=2,b=3,d; d=SUB(a+b); printf(%d,%dn,a,d);2#define MAX(x,y) (x)(y)?(x):(y)main() int a=4,b=2,c=3,d,e; d=MAX(a,b); e=MAX(a,b+c); printf(%d,%dn,d,e);3#define N 2#define NUM 2*N+1main() int i,sum=0; for(i=1;i=NUM;i+) sum+=i; printf(%d,%dn,i,sum);4#define SUB(a) a-amain() int a=5,b=3,c,d; c=SUB(a); d=SUB(a-b); printf(%d,%dn,c,d);5#define A 2+2main() int b=A*3; printf(%d,%dn,A,b);