C语言程序设计期末复习题(分析程序或程序段)新(9页).doc
-第三部分 分析程序或程序段分析程序或程序段，给出下列程序的运行结果：第 9 页-1#include<stdio.h>main()int i=16,j,x=6;j=i+ +1;x*=i=j;printf(“%d,%dn”,j,x); 运行结果是： 2#include<stdio.h> main() int a,b,c,d;a=c=0;b=1;d=20;if(a) d=d-10;else if(!b) if(!c) d=25; else d=15;printf(“d=%dn”,d); 运行结果：3 main()int i=10;switch(i) case 9: i+=1; case 10: i+=1; case 11: i+=1; default : i+=1; printf(“%d”,i);运行结果：4#include<stdio.h>main() int a=1,2,3,4,i,j,s=0; j=1; for(i=3;i>=0;i-) s=s+ai*j; j=j*10; printf("s=%dn",s);运行结果：5func(int x) x=20; main()int x=10;func(x);printf(“%d”,x);运行结果：106 #include <stdio.h>main() int x = 8 , y = 12;printf("%d %dn", x+, +y);printf("%d %dn", x, y);运行结果是： 7#include <stdio.h>void Func(int b)int j;for (j=0; j<4; j+) bj = j;main()static int a = 5,6,7,8,i;Func(a);for (i=0; i<4; i+) printf("%dn", ai);运行结果是： 8 #include <stdio.h>main() int cube( int y ); int x; for(x=1;x<=5;x+) printf(“%d ”, cube( x ) );int cube( int y ) return 2*y; 运行结果是：9#include <stdio.h>void Func(void);main()int i;for (i = 0; i < 2; i+)Func();void Func(void)static int times = 1;printf("Func() was called %d time(s).n", times+);运行结果是： 10.#include<string.h>#include<stdio.h>#define ARR_SIZE 80void Inverse(char str);main()char aARR_SIZE;printf("Please enter a string: "); gets(a); Inverse(a);printf("The inversed string is: ");puts(a);void Inverse(char str)int len, i = 0, j;char temp; len=strlen(str);for (j=len-1; i<j; i+, j-)temp = stri; strj = stri; strj = temp;运行时键盘上输入ASDFG,结果是：11. #include <stdio.h>void Func(void);main()int i;for (i=0; i<5; i+)Func();void Func(void)static int a = 1;int b = 2, c;c = a + b;a+;b+;printf("%3d", c);运行结果是： 12. #include <stdio.h>int fun(int x, int y) return x > y ? x : y;main() int a=2,b=5,c=8; printf("%dn", fun(fun(a+c,b), a-c);运行结果是： 13. main()int i,j,x =0;for(i=0;i<2;i+)x+;for(j=0;j<3;j+)if(j%2) continue; x+;x+;printf("x=%dn",x);运行结果是： 14.#include<stdio.h>int fun1(int x) x=20; return x;void fun2(int b4) int j; for(j=3; j>=0; j-) bj=j; main() int y,x = 10; int a4 = 1,2,3,4, k; y=2*fun1(x); printf("y=%dn", y); fun2(a); for(k=0; k<4; k+) printf("%3d", ak); 运行结果是： 15.#include "stdio.h"int iA=100,iB=10;void fnSum1(int iA,int iB)int iC;iA=2;iB=2;iC=iA+iB;printf("%5d",iC);void fnSum2() int iC; iC=iA+iB;printf("%5d",iC);void main() int iA=1,iB=1;register int iC; fnSum1(iA,iB); fnSum2(); iC=iA+iB; printf("%5d",iC);运行结果是：16#include " stdio.h "void main() int k1,k2; for(k1=1;k1<=4;k1+) putchar(t); for(k2=1;k2<=k1;k2+) putchar(b); for(k2=1;k2<=k1*2-1;k2+) putchar(*); putchar(n); 运行结果是：参考答案：1运行结果是：17，1022运行结果是：d=203运行结果是：134运行结果是：s=12345运行结果是：106运行结果是：8 13 9 137运行结果是：01238运行结果是：2 4 6 8 109运行结果是：Func() was called 1 time(s).Func() was called 2 time(s).10. 运行结果是:GFDSA11. 运行结果是:3 4 5 6 712. 运行结果是:1013. 运行结果是:x=814.运行结果是：y=40 0 1 2 315.运行结果是：4 110 216. 运行结果是： * * * *
