1、程序阅读理解（一）1. #include void main( ) int x,y,t;x=7;y=9;if(xy) t=x;x=y;y=t;printf(%d,%dn , x,y );运行结果：2. #include void main( ) int x=1,a=2,b=3;switch(x) case 1: a-; break; case 2: b+; break; case 3: a+;b+; printf(na=%d,b=%dn,a,b);运行结果： 3. #include void main( ) char ch1 = E; if(ch1 = A) ch1+; else ch1+=3
2、2; printf(ch1 = %cn, ch1);运行结果：4. #include void main( ) int x,y,t;x=5;y=3;if(xy) t=x;x=y;y=t;printf(%d,%dn , x,y );运行结果：5. #include int main()int a,b,c,m;printf(Enter three integers:);scanf(%d%d%d,&a,&b,&c);if(a=b)m=a;elsem=b;if(cm)m=c;printf(m=%dn,m);return 0;输入：21 22 23运行结果：6. #include int main()c
3、har ch1=a,ch2=B,ch3=E;if(ch1ch2)if(ch2ch3)ch3+;else-ch3;printf(ch3=%cn,ch3);return 0;运行结果：7. #include int main()float x,y;scanf(%f,&x);switch(int)x/10)case 0: y=1.0;printf(y=%fn,y);break;case 1: y=2*x+1;printf(y=%fn,y);break;case 2: y=3*x*x+2;printf(y=%fn,y);break;default:printf(No definition.n); re
4、turn 0;输入：15.3运行结果： 8. #include int main()char ch1=A,ch2=B;switch(ch1)case A:switch(ch2)case B: printf(Good!n);break;case A: printf(Better!n);break;case B: printf(Best!n); break;return 0;运行结果：9 #include void main() float score;score = 100;if (score60) printf(En); else switch( ( int ) score / 10 ) ca
5、se 10: case 9: printf(An); case 8: printf(Bn); case 7: printf(Cn); break; case 6: printf(Dn); break; default: printf(Errorn); 运行结果：程序阅读理解（二）10 #include void main()int i=0，a=2；if(i=0)printf(“*”)；elseprintf(“$”)；printf(“*”)；运行结果：1. #include void main()int m=10,n=0,p=4,q=20;if (m) if (n) q=15-m;else q=
6、25+m;else if (p) q=q+p;printf(“q=%dn”,q); 运行结果：2. #includevoid main()int a=1,b=0;switch(a)case 1: switch (b)case 0: printf(“*0*”); break; case 1:printf(“*1*”);break;case 2: printf(“*2*”);break;运行结果：3. #includeint main( ) int a=2,b=7,c=5; switch (a0) case 1: switch (b0) case 1: printf(); break ; case
7、 2: printf(!); break ; case 0: switch (c=5) case 1: printf(*) ; break ; default : printf(#) ; break ; default : printf(&); printf(n); return 0;运行结果：4. #includeint main() int a=0,b=1,c=0,d=20; if(a) d=d-10; else if (!b) if(!c) d=15; else d=25; printf(d=%dn,d); return 0;运行结果：5. #includeint main() int
8、a=1; switch(a) case 0: printf(*0*);break; case 1:printf(*1*);break; case 2:printf(*2*);break; return 0;运行结果：6. #include int main() int x, y; scanf(%d,&x); y = x12 ? x + 10 : x - 12; printf(%dn, y); return 0;输入：12运行结果：7. #include int main() float x, y; char op; double r; scanf(%c%f%f,&op,&x,&y); swit
9、ch(op) case +: r = x + y; break; case -: r = x - y; break; case *: r = x * y; break; case /: r = x / y; break; printf(%.1f, r); return 0;输入：3.5运行结果：8. #include stdio.hvoid main( ) int a=7; if(a9 | a10) a=a/3; else a=a%3; printf(a=%d, a);运行结果：9. #includevoid main() int a=20; switch(a%3) case 0: print
10、f(0); case 1: printf(1); case 2: printf(2); default: printf(3); printf(4);运行结果：10. #include void main()int a=2,b=5,c=8,t;if ( a b ) t = a; a = b; b = t; if ( b c ) t = b; b = c; c = t; if ( a b ) t = a; a = b; b = t; printf( %d,%dn, a+, -c );运行结果：程序阅读理解（三）1. #include void main() int number , digit;
11、number = 1234; while ( number != 0 ) digit = number%10 ;printf( %d , digit ) ;number = number / 10 ;运行结果：2. #include #define N 5void main( )int i; for(i=1;iN;i+) printf(%dn,i*i);运行结果：3. #includevoid main( ) int i,s,x; s=0; x=15; for(i=1;i=5;i+) if (x%i=0)s= s + i; printf(i=%d,s=%dn,i,s);运行结果：4. #inc
12、lude void main()int counter=1; while(counter = 5) printf(%d n, counter ); counter+;运行结果：5 #includeint main()int i,sum,m,a;sum=0;m=5;for(i=0;im)sum+=a;printf(sum=%dn,sum);return 0;输入：2 10 8 3运行结果：6. #includeint main()int i,j,k;for(i=1;i=4;i+)for (j=1;j5-i;j+)printf( );for(k=1;k=i;k+)printf(*);printf(
13、n);return 0;运行结果： 7. #include int main()int i,j;i=1;while(i5)for(j=1;j2*i+1;j+)printf(%c,#);printf(n);i+;return 0;运行结果：8. #include int main()int i=10,m=0,n=0;doif(i%2!=0)m=m+i;elsen=n+i;i-;while(i=0);printf(m=%d,n=%dn,m,n);return 0;运行结果：9 #include void main() int sum=0,n; scanf(%d,&n); while(n=5) su
14、m+=n; n+;printf(sum=%d,sum);输入：1运行结果：10 #include void main()int i, j;for(i=2;i=0;i-)for(j=1;j=i;j+)printf(*);for(j=0;j=2-i;j+)printf(!);printf(n);运行结果：程序阅读理解（四）1 #include void main()int a,b;for(a=1,b=1;a20) break;if(b%4=1)b=b+4;continue;b=b-5;printf(a=%dn,a);运行结果：2 #include void main( )char k; int i
15、; for(i=1;i3;i+) scanf(%c,&k); switch(k) case 0: printf(anothern);case 1: printf(numbern);输入：01运行结果：3. #include int main() int i, s = 0; for(i = 1; i 10) break; printf(i=%d, s=%dn, i, s);return 0; 运行结果： 4. #include void main()char ch;while(ch=getchar()!=n) if (ch=A&ch=a&ch=z)ch=ch-32;printf(%c,ch);输
16、入：ABCdef运行结果：5. #include int main () int a, b; for (a = 1, b = 1 ; a = 9) break; if (b % 3 = 1) b += 3 ; continue ; b -= 5; printf(%d,%dn, a, b); return 0;运行结果：6. #includeint main () int i = 0,j = 0; while (i 10) i+; while (j+ 10) ; printf(i=%d,j=%dn,i,j);return 0;运行结果：7. #include stdio.hvoid main( ) int i,j,t; for(i=1,j=10;i 4 ); 运行结果：9 #include stdio.hvoid main() int i=7,j; while ( i 2) j = i%2;printf( %d,j );i-; printf( %d,i ); 运行结果： 10. #include void main()int i,j,t=0;for(i=3;i0;i-)for(j=0;j4;j+)t+=j;printf(t=%d,t);运行结果：
