摘要：
# includeint main(void){ int i,k; char str1[80],str2[80]; long number; printf("Enter a string:"); i=0; while((str1[i]=getchar())!='\n') i++; str1[i]='\0'; k=0; for(i=0;str1[i]!='\0';i++) if (str1[i]>='0'&&str1[i]='a'&&str1[i]=' 阅读全文
摘要：
# includeint main(void){ int count,i; char str[80]; printf("Enter a string:"); i=0; while((str[i]=getchar())!='\n') i++; str[i]='\0'; count=0; for(i=0;str[i]!='0';i++) if(str[i]='0') count++; printf("count=%d\n",count); return 0;} 阅读全文
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# includeint main(void){ int i,number; char str[10]; printf("Enter a string:"); i=0; while((str[i]=getchar())!='\n') i++; str[i]='\0'; number=0; for(i=0;str[i]!='\0';i++) if(str[i]>='0' && str[i]<='9') number=number*10+str[i]-'0' 阅读全文
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# includeint main(void){ int i,n,m; char s[10]; printf("Enter a string:"); i=0; while((s[i]=getchar())!='\n') i++; s[i]='\0'; for(n=0,m=i-1;n=m) printf("It is a plalindrome\n"); else printf("It is not a plalindrome\n"); return 0;} 阅读全文
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int day_of_year(int year,int month,int day){ int k,leap; int tab[2][13]={ {0,31,28,31,30,31,30,31,31,30,31,30,31}, {0,31,29,31,30,31,30,31,31,30,31,30,31} }; leap=(year % 4==0 && year%100!=0 || year%400==0); for(k=1;k<month;k++) day=day + tab[leap][k]; return d... 阅读全文
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# includeint main(void){ int i,j,n,temp; int a[6][6]; printf("Enter n:"); scanf("%d",&n); for(i=0;i<n;i++) for(j=0;j<n;j++) a[i][j]=i*n+j+1; for(i=0;i<n;i++) for(j=0;j<n;j++) if(i<=j){ temp=a[i][j]; ... 阅读全文
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# includeint main(void){ int col,i,j,row; int a[3][2]; printf("Enter 6 integers:\n"); for(i=0;ia[row][col]){ row=i; col=j; } printf("max=a[%d][%d]=%d\n",row,col,a[row][col]); return 0;} 阅读全文
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#includeint main(void){ int i,j; int a[3][2]; for(i=0;i<3;i++) for(j=0;j<2;j++) a[i][j]=i+j; for(i=0;i<3;i++){ for(j=0;j<2;j++) printf("%4d",a[i][j]); printf("\n"); } return 0;} 阅读全文
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# includeint main(void){ int a[10]={1,2,3,4,5,6,7,8,9,10}; int low,high,mid,n=10,x; printf("Enter x:"); scanf("%d",&x); low=0;high=n-1; while(low<=high){ mid=(low+high)/2; if(x==a[mid]) break; else if(x<a[mid]) high=mid-1; else ... 阅读全文
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# includeint main(void){ int i,index,k,n,temp; int a[10]; printf("Enter n:"); scanf("%d",&n); printf("Enter %d integers:",n); for(i=0;i<n;i++) scanf("%d",&a[i]); for(k=0;k<n-1;k++){ index=k; for(i=k+1;i<n;i++)if(a[i]<a[index]) index=i; ... 阅读全文
摘要：
# includeint main(void){ int i,index,n; int a[10]; printf("Enter n:"); scanf("%d",&n); printf("Enter %d integers:",n); for(i=0;i<n;i++) scanf("%d",&a[i]); index=0; for(i=1;i<n;i++) if(a[i]<a[index]) index=i; printf("min is %d\tsub is %d\n 阅读全文
摘要：
# includeint main(void){ int i; int fib[10]={1,1}; for(i=2;i<10;i++) fib[i]=fib[i-1]+fib[i-2]; for(i=0;i<10;i++){ printf("%6d",fib[i]); if((i+1)%5==0) printf("\n"); } return 0;} 阅读全文
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# includeint main(void){ int i,flag,x; int a[5]; printf("Enter 5 integers:"); for(i=0;i<5;i++) scanf("%d",&a[i]); printf("Enter x:"); scanf("%d",&x); flag=0; for(i=0;i<5;i++) if(a[i]==x){ printf("Index is %d\n",i); flag=1; break;... 阅读全文
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# 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
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#includeint main(void){ char ch; printf("input characters:"); ch=getchar(); while(ch!='\n'){ if(ch>='A' && ch<='z') ch=ch-'a'+'A'; putchar(ch); ch=getchar(); } return 0;} 阅读全文
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#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); 阅读全文
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#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
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#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
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#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
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#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