西工大C语言上机考试题库.docx

1:2:3#include<>#include<>intmain(){inti=0,j=0,k=0,a=0,b=0,c=0,l=0,m=0,n=0,d=0,p=0,q=0;for(i=1;i<=3;i++){for(j=1;j<=9;j++){if(i!=j){for(k=1;k<=9;k++){if(k!=j&&i!=k){a=i*100+j*10+k;b=a*2;c=a*3;l=b%10,d=c%10;m=(b%100)/10,p=(c%100)/10;n=b/100,q=c/100;if(l!=0&&m!=0&&n!=0&&d!=0&&p!=0&&q!=0)if(i!=l&&i!=m&&i!=n&&j!=l&&j!=m&&j!=n&&k!=l&&k!=m&&k!=n)if(i!=d&&i!=p&&i!=q&&j!=d&&j!=p&&j!=q&&k!=d&&k!=p&&k!=q)if(l!=d&&l!=p&&l!=q&&m!=d&&m!=p&&m!=q&&n!=d&&n!=p&&n!=q)printf("%d%d%d\n",a,b,c);}}}}}return0;}8#include""intmain(){inta,b[10],m=0,n=0,p;inti,j,k;scanf("%d",&a);for(i=1;i<=a;i++){m=0;n=0;p=i;for(j=0;p!=0;j++){b[j]=p%10;p=p/10;}for(k=0;k<j;k++){m=m+b[k];if(b[k]==8){n=1;}}if(m%8==0){printf("%d",i);continue;}if(i%8==0){printf("%d",i);continue;}if(n==1){printf("%d",i);continue;}}return0;}8的次数A*B#include<>#include<>#include<>voidcheng(chara[],charb[]){inti,j,ca,cb,*s;ca=strlen(a);cb=strlen(b);s=(int*)malloc(sizeof(int)*(ca+cb));for(i=0;i<ca+cb;i++)s[i]=0;for(i=0;i<ca;i++)for(j=0;j<cb;j++)s[i+j+1]+=(a[i]-'0')*(b[j]-'0');for(i=ca+cb-1;i>=0;i--)if(s[i]>=10){s[i-1]+=s[i]/10;s[i]%=10;}i=0;while(s[i]==0)i++;for(;i<ca+cb;i++)printf("%d",s[i]);printf("\n");free(s);}intmain(){chara[100],b[100];gets(a),gets(b);if(a[0]=='-'&&b[0]!='-'){printf("-");cheng(&a[1],b);}elseif(a[0]=='-'&&b[0]=='-'){cheng(&a[1],&b[1]);}elseif(a[0]!='-'&&b[0]=='-'){printf("-");cheng(a,&b[1]);}elsecheng(a,b);return0;}N边形面积#include<>#include<>#(){doubles,a;intn;scanf("%d%lf",&n,&a);s=a*a*n/(2*2*tan(PI/n));printf("%.2lf\n",s);return0;}参加竞赛#include<>intmain(){inta,b,c,d,e;for(a=0;a<2;a++)for(b=0;b<2;b++)for(c=0;c<2;c++)for(d=0;d<2;d++)for(e=0;e<2;e++)if(((a==1&&b==1)||(a==0&&b==0))&&((b==0&&c==1)||(b==1&&c==0))&&((c==1&&d==1)||(c==0&&d==0))&&(!(d==0&&e==0))&&((e==1&&a==1&&d==1)||(e==0))){if(a==1){printf("A");}if(b==1){printf("B");}if(c==1){printf("C");}if(d==1){printf("D");}if(e==1){printf("E");}}return0;}草坪喷水插入排序#include<>voidsort(inta