摘要： #includevoid main(){int m,n,i,test,sum,count;printf("Input:\n");scanf("%d",&n);count=0;sum=0;for(i=0;i=60)count++;}printf("avr=%.2f\n",sum*1.0/n);printf("pass=%d\n",count);printf("fail=%d\n",n-count);} 阅读全文

摘要： #includeint sign(int j);void main(){ printf("请输入x\n");int x;sign(x);}int sign(int j){int k;scanf("%d",&j);if(j>0) k=1;if(j=0) k=0;if(j<0) k=-1;printf("sin(x)=%d\n",k);return 0;} 阅读全文

摘要： #includeint main(void){int i,n;double h,r,v;double cylinder(double r,double h);printf("Enter n:");scanf("%d",&n);for(i=1;i<=n;i++){printf("Enter r and h:"); scanf("%lf%lf",&r,&h);if((r<=0)||(h<=0)){printf("输入错误，重新输入");}else{v=cyl 阅读全文

摘要： #includeint main(void){double r,s; s=3.1415926*r*r;printf("Enter r:");scanf("%lf",&r); if(r0){s=3.141592653*r*r;} printf("f=%.2f\s",s);return 0;} 阅读全文

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'&&str 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

摘要： #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

摘要： #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

摘要： #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]; a[i][j]=a[j][i]; a[j][i]=temp; } for(i=0;i<n;i++){ for(j=0;j 阅读全文

摘要： #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