代码改变世界

例7-1

2013-10-06 16:05 by Summer.xia, 115 阅读, 0 推荐, 收藏, 编辑
摘要:#includeint main(void){ int count[9]; int i,response; for(i=1;i8) printf("this is a bad response:%d\n",response); else count[response]++; } printf("result:\n"); for(i=1;i<=8;i++) printf("%4d%4d\n",i,count[i]); return 0;} 阅读全文

例6-5

2013-10-06 15:52 by Summer.xia, 92 阅读, 0 推荐, 收藏, 编辑
摘要:#includeint main(void){ char ch; printf("input characters:"); ch=getchar(); while(ch!='\n'){ if(ch>='A'&&ch='a'&&ch<='z') ch=ch-'a'+'A'; putchar(ch); ch=getchar(); } return 0;} 阅读全文

例6-3

2013-10-06 15:48 by Summer.xia, 93 阅读, 0 推荐, 收藏, 编辑
摘要:#includeint main(void){ char ch='w'; int a=2,b=0,c=0; float x=3.0; printf("%d",a&&b); printf("%d",a||b&&c); printf("%d",!a&&b); printf("%d",a||3+10&&2); printf("%d",!(x==2)); printf("%d",!x==2); print 阅读全文

例6-2

2013-10-06 15:43 by Summer.xia, 125 阅读, 0 推荐, 收藏, 编辑
摘要:#includeint main(void){ char ch = 'w'; int a=2,b=3,c=1,d,x=10; printf("%d",a>b==c); printf("%d",d=a>b); printf("%d",ch>'a'+1); printf("%d",d=a+b>c); printf("%d",b-1==a!=c); printf("%d\n",3<=x<=5); return 0; 阅读全文

例6-1

2013-10-06 15:38 by Summer.xia, 92 阅读, 0 推荐, 收藏, 编辑
摘要:#includeint main(void){ int i; char ch_lower,ch_upper; for(i=1;i='a' && ch_lower%c->%d\n",ch_lower,ch_upper,ch_upper%10); } return 0;} 阅读全文

例5-9

2013-10-05 16:34 by Summer.xia, 100 阅读, 0 推荐, 收藏, 编辑
摘要:#includedouble fact_s(int n);int main(void){ int i,n; printf("Input n:"); scanf("%d",&n); for(i=1;i<=n;i++) printf("%3d!=%.0f\n",i,fact_s(i)); return 0;}double fact_s(int n){ static double f=1; f=f*n; return(f);} 阅读全文

例5-8

2013-10-05 16:26 by Summer.xia, 121 阅读, 0 推荐, 收藏, 编辑
摘要:#includefloat cash;int main(void){ int choice; float value; void income(float number),expend(float number); cash=0; printf("Enter operate choice(0--end,1--income,2--expend):"); scanf("%d",&choice); while(choice!=0){ if(choice==1||choice==2){ printf("Enter cash ... 阅读全文

例5-7

2013-10-05 16:11 by Summer.xia, 126 阅读, 0 推荐, 收藏, 编辑
摘要:#includeint x;int f();int main(void){ int a=1; x=a; a=f(); { int b=2; b=a+b; x=x+b; } printf("%d%d",a,x); return 0;}int f(){ int x=4; return x;} 阅读全文

例5-6

2013-10-05 15:57 by Summer.xia, 135 阅读, 0 推荐, 收藏, 编辑
摘要:#includefloat result_real,result_imag;int main(void){ float imag1,imag2,real1,real2; void complex_prod(float real1,float imag1,float real2,float imag2); void complex_add(float real1,float imag1,float real2,float imag2); printf("Enter 1st complex number (real and imaginary):"); scanf(" 阅读全文

例5-5

2013-10-05 15:48 by Summer.xia, 116 阅读, 0 推荐, 收藏, 编辑
摘要:#includeint main(void){ void pyramid(int n); pyramid(5); return 0;}void pyramid(int n){ int i,j; for(i=1;i<=n;i++){ for(j=1;j<=n-1;j++) printf(" "); for(j=1;j<=i;j++) printf("%d",i); putchar('\n'); }} 阅读全文