北科大一小学期暑期计算机实践实习报告.doc

计算机应用实践报告机房名称 时 间8.24 至 9.4 学 院 专业班级 姓 名 学 号 指导教师 成 绩 2009 年 9 月说 明一、 计算机应用实践是本科教学重要的实践教学环节，是提高学生应用计算机能力的重要措施。所有参加计算机应用实践教学活动的学生都必须撰写实践报告二、 计算机应用实践报告的质量反映了计算机应用实践的教学质量，它是评定计算机应用实践成绩的主要依据之一。不交实践报告者不得参加实习成绩评定。三、 指导教师必须对学生的实践报告写出评语并在相应位置给出成绩并签字，否则本实践报告无效。四、 实践报告要求条理清晰，内容详尽，数据准确，字数不少于5000字。五、 计算机应用实践活动结束后请将本报告上交学院存档保存。计算机应用实践报告平时程序清单1- 1main()float a,b; a=5.2; b=a*a; printf(b=%fn,b);1- 2int max(int x,int y)int z; if (xy) z=x;else z=y; return(z);main()int a,b,c; scanf(%d,%d,&a,&b); c=max(a,b); printf(max=%dn,c); 1- 3main()int a,b,t; scanf(%d,%d,&a,&b); if (ab) t=a;a=b;b=t; printf(a=%d b=%dn,a,b);2-1-1main()char c1,c2; c1=97;c2=98; printf(%c %cn,c1,c2); printf(%d %dn,c1,c2);2-1-2main()int c1,c2; c1=97;c2=98; printf(%c %cn,c1,c2); printf(%d %dn,c1,c2);2-1-3main()int c1,c2; c1=300;c2=400; printf(%c %cn,c1,c2); printf(%d %dn,c1,c2);2-2-1main()int i,j,m,n; i=8;j=10; m=+i;n=j+; printf(%d,%d,%d,%d ,i,j,m,n);2-2-2main()int i,j,m,n; i=8;j=10; m=i+;n=+j; printf(%d,%d,%d,%d ,i,j,m,n);2-2-3main()int i,j; i=8;j=10; printf(%d,%d ,i+,j+);2-2-4main()int i,j; i=8;j=10; printf(%d,%d ,+i,+j);2-2-5main()int i,j; i=8;j=10; printf(%d,%d,%d,%d ,i,j,i+,+j);2-2-6main()int i,j,m=0,n=0; i=8;j=10; m+=i+;n-=-j; printf(i=%d,j=%d,m=%d,n=%d,i,j,m,n);3-1main()int a,b; float d,e; char c1,c2; double f,g; long m,n; unsigned int p,q; a=61;b=62; c1=a;c2=b; d=3.56;e=-6.87; f=3157.890121;g=0.123456789; m=50000;n=-60000; p=32768;q=40000; printf(a=%d,b=%dnc1=%c,c2=%cnd=%6.2f,e=%6.2fn,a,b,c1,c2,d,e); printf(f=%15.6f,g=%15.12fnm=%ld,n=%ldnp=%u,q=%un,f,g,m,m,p,q);3-2main()int a,b; float d,e; char c1,c2; double f,g; long m,n; unsigned int p,q; a=61;b=62; c1=a;c2=b; f=3157.890121;g=0.123456789; d=f;e=g; p=a=m=50000;q=b=n=-60000; printf(a=%d,b=%dnc1=%c,c2=%cnd=%6.2f,e=%6.2fn,a,b,c1,c2,d,e); printf(f=%15.6f,g=%15.12fnm=%ld,n=%ldnp=%u,q=%un,f,g,m,m,p,q);3-3main()int a,b; float d,e; char c1,c2; double f,g; long m,n; unsigned int p,q; a=61;b=62; c1=a;c2=b; d=3.56;e=-6.87; f=3157.890121;g=0.123456789; m=50000;n=-60000; p=32768;q=40000; printf(a=%d,b=%dnc1=%c,c2=%cnd=%15.6f,e=%15.12fn,a,b,c1,c2,d,e); printf(f=%f,g=%fnm=%ld,n=%ldnp=%d,q=%dn,f,g,m,m,p,q); 3-4#include ;main()char c1,c2; c1=getchar(); c2=getchar(); putchar(c1); putchar(c2); printf(%c,c1); printf(%c,c2);4-1main()int a,b,c,min;scanf(%d,%d,%d,&a,&b,&c);if(ab) min=a;else min=b;if(cb) t=a;a=b;b=t; if (bc) t=b;b=c;c=t; if (ab) t=a;a=b;b=t; if (a+bc) printf(Cannot construct a trangle!n);goto end; t=(a=b)+(b=c)+(c=a); switch(t) case 0:printf(Three numbers are different!n);break; case 2:printf(Two numbers are the same!n);break; case 3:printf(Three numbers are the same!n);break; end:;4-4main()long a,b,c,d,e; scanf(%ld,&a); b=a*a; c=a;d=b; d=d-c; do c=c/10; e=d%10; d=d/10; while (c!=0&e=0); if (e!=0) printf(%ld no %ld*%ld=%ldn,a,a,a,b); else printf(%ld yes %ld*%ld=%ldn,a,a,a,b);4-5main()int a;scanf(%d,&a);switch(a) case 1:printf(January);break; case 2:printf(February);break; case 3:printf(March);break; case 4:printf(April);break; case 5:printf(May);break; case 6:printf(June);break; case 7:printf(July);break; case 8:printf(August);break; case 9:printf(September);break; case 10:printf(Octuber);break; case 11:printf(November);break; case 12:printf(December);break; default:printf(NO); 5.1main()int i,n; float t,s; s=0; scanf(%d,&n); for(i=1;i=n;i+) t=1.0/i; s=s+t; printf(s=%fn,s); 5.2main()int i,n;long s;s=1;printf(Please enter n:);scanf(%d,&n);for(i=1;i=n;i+)s=s*i;printf(s=%ld,s);5.3main()int a7; int sum,b,k; sum=0; for (a1=0;a12;a1+) for (a2=0;a22;a2+) for (a3=0;a32;a3+) for (a4=0;a42;a4+) for (a5=0;a52;a5+) for (a6=0;a62;a6+) for (a0=1;a023;a0+) b=a0; for (k=1;k=6;k+) sum=sum+b; if (ak=0) b=b+k;else b=b-k; sum=sum+b;if (sum=105) printf(%d ,a0);goto end;sum=0; end:;5.4main()int n,i,j,k; scanf(%d,&n); for (i=1;i=n;i+) for (j=1;j=3*(n-i);j+) printf( ); for (j=1;j=i;j+) if (j0;j-) if (j=1;i-) for (j=1;j=3*(n-i);j+) printf( ); for (j=1;j=i;j+) if (j0;j-) if(j10) printf(%d ,j);else printf(%d ,j); printf(n); 5.5#include #include int leap(int); int md(int m,int y); void prtweek(void); int fw(int m,int y); void prtmonth(int m); int main(int argc, char* argv) int y,m,i,test,week; printf(Year:); scanf(%d,&y); for (m=1; m=12; m+) test=1; prtmonth(m); prtweek(); week=fw(m,y); if (week!=6) for (i=0; i=week; i+) putchar(t); test+; for (i=1; i=md(m,y); i+,test+) printf(%dt,i); if (test%7=0) putchar(n); putchar(n); system(pause); return 0;int leap(int y) return (y%4=0&y%100|y%400=0)?1:0;int md(int m,int y) int d; switch (m) case 1: case 3: case 5: case 7: case 8: case 10: case 12:d=31;break; case 4: case 6: case 9: case 11:d=30;break; case 2:d=leap(y)?29:28;break; return d; void prtweek(void) printf(%st%st%st%st%st%st%stn,Sun,Mon,Tue,Wed,Thur,Fri,Sat); int fw(int m,int y) int f; if (m3) m+=12; y-; f=(1+2*m+3*(m+1)/5+y+y/4-y/100+y/400)%7; return f; void prtmonth(int m) switch (m) default: case 1:puts(=January=);break; case 2:puts(=February=);break; case 3:puts(=March=);break; case 4:puts(=April=);break; case 5:puts(=May=);break; case 6:puts(=June=);break; case 7:puts(=July=);break; case 8:puts(=August=);break; case 9:puts(=September=);break; case 10:puts(=October=);break; case 11:puts(=November=);break; case 12:puts(=December=);break; 6.1main()int s,n ; s=0; for(n=1;n=100;n+) if(n%3=0) s+=n; printf(%d,s); 6.2main()int i,j,k; for(i=1;i=5;i+) for (j=1;j=5-i;j+) printf( ); switch(i) case 1:printf(&n);break; case 2:printf(&n);break; default:printf(&); for (j=1;j=(i-2)*2-1;j+)printf( ); printf(&n); printf( );for (i=1;i=7;i+) printf(&);printf(n); for (i=1;i=9;i+) printf(&);printf(n);6.3#include main()char ch; ch=getchar(); while (ch!=n) if (ch=a&ch=A&ch=Z) switch(ch) case z:ch=a;break; case Z:ch=A;break; default:ch=ch+1; printf(%c,ch); ch=getchar(); 7.1#include main()char ch; ch=getchar(); while (ch!=n) if (ch=a&ch=A&ch=Z) switch(ch) case z:ch=a;break; case Z:ch=A;break; default:ch=ch+1; printf(%c,ch); ch=getchar(); 7.2main()int a34,i,j,t; for(i=0;i3;i+) for(j=0;j4;j+) scanf(%d,&aij) for(i=0;i3;i+) for(j=i+1;j4;j+) t=aij; aij=aji; aji=t; printf(%d,aji); 7.3main()int n,h=0; for(n=100;n=500;n+); if(prime(n) +h; printf(%d %d,n,h); int prime(int n) int flag=1,i; if(n=0)flag=0; for(i=2;i=n/2&flag=1;i+) if(n%i=0)flag=0; return(flag); 8.1#includemath.hmain()int a=0,k; float av; for(k=2;k=1000;k+) if(fun(k) a+=k; av=a/1000; printf(av=%fn,av); fun(int n) int i,y=0; if(i=0)y=1; for(i=2;i=n/2&y=0;i+) if(n%i=0)y=1; else y=0; return y; 8.2int flag;void Narsissus(int n)int i,j,k,sum; j=n; sum=0; for (i=1;i=100;i-) Narsissus(i); if (flag=2) break; 8.3#includestdio.hmain() int n,i; printf(n please input a number:); scanf(%d,&n); printf(%d=,n); for(i=2;i=n;i+) while(n!=i) if(n%i=0) printf(%d*,i); n=n/i; else break; printf(%d,n); getch(); 8.4#includeint main(void)int num;void Max(int n);cinnum;Max(num);void Max(int n)int i,j,k,temp,a4; for(i=0;i4;i+) ai=n%10; n/=10; for(i=0;i4;i+) k=i; for(j=i+1;jai)k=j; if(k!=i) temp=ai; ai=ak; ak=temp; for(i=0;i4;i+)coutai; coutendl; 8.5. #includevoid main() int i,a,b,c,d,t; for(i=1000;i=b&b=c&c=d) printf(%d %d %d %dn,a,b,c,d); 9.1main()int i,n,a10,av; for(i=0;in;i+) scanf(%d,ai) for(i=0;in;i+) printf(%d,ai); if (i%3=0) printf(n); for (i=0;i!=n;i+) av+=ai; printf(av=%fn,av);10.1main()int i,a10; float av; for(i=0;i10;i+) scanf(%d,&ai); for(i=0;i10;i+) printf(%d ,ai); if (i%3=2) printf(n); for (i=0;i!=10;i+) av+=ai; printf(av=%fn,av/10);10.2main()int a10; int i,j,k,l,m; for (i=0;i10;i+) scanf(%d,&ai); for (i=0;i9;i+) for (j=i+1;j10;j+) if (aiaj) m=ai;ai=aj;aj=m; for (i=0;i10;i+) printf(%d ,ai); printf(nPlease input a number: ); scanf(%d,&m); for (i=0;i=m&ai+1=m) printf(%d ,m); printf(n);10.3int a44;input()int i,j; for (i=0;i4;i+) for (j=0;j4;j+) scanf(%d,&aij);sum()int i,j,su; su=0;i=0; for (i=0;i4;i+); su=su+aii+ai3-i; printf(1)The sum=%dn,su);mutiply()int i,j,muti; printf(2)The mutiply=%dn,a00*a22);maxnum()int max,i,j,m,k; max=a00; for (i=0;i=3;i+) for (j=0;jmax) max=aij;m=i;k=j; printf(3)The maxnum=%d,max); printf( Its in Row %d Line %dn,m+1,k+1);main()input(); sum(); mutiply(); maxnum();10.4main()char ch2080; char c4; int lenmax,num,len,l; gets(ch1);len=1; lenmax=0; strcpy(c,stop); while (strcmp(chlen,c)!=0) l=strlen(chlen); if (llenmax) lenmax=l;num=len; gets(ch+len); puts(chnum);10.5main()int a11; int i,j,k; for (i=0;i=10;i+) ai=0; for (i=0;i50;i+) scanf(%d,k); ak/10+; a0=a0+a1+a2+a3; printf(0-39%dn,a0); printf(40-49%dn,a4); printf(50-59%dn,a5); printf(60-69%dn,a6); printf(70-79%dn,a7); printf(80-89%dn,a8); printf(90-100%dn,a9+a10);10.6main()int n,m,i,j,l,ll; int a1000; printf(Please input n,m: ); scanf(%d,%d,&n,&m); l=n*m; for (i=0;il;i+) scanf(%d,&ai); for (i=0;il-1;i+) for (j=i;jaj) ll=ai;ai=aj;aj=ll; for (i=0;il;i+) printf(%d ,ai); if (i+1)%m=0) printf(n); 11.1main()int a45; int i,j,k,l,m,n; for(i=1;i=3;i+) for(j=1;j=4;j+) scanf(%d,&aij); for(i=1;i=1;j-) for (i=1;i=3;i+) aij+1=aij; for (i=1;i=3;i+) ai1=ai0; printf(Its changed to:n); for(i=1;i=3;i+) for(j=1;j=4;j+) printf(%d ,aij); printf(n); 11.2#include main()char s280,ch80; int i,j,k; gets(s2); k=strlen(s2); i=0; while (s2i!=0)&(i=k) chi=s2i; i+; puts(ch);11.3main()int a100; int i,j,k,l,num,n,flag; printf(Please input n:); scanf(%d,&n); for (i=0;in;i+) scanf(%d,&ai); printf(Please input a num:); scanf(%d,&num); flag=0; for (i=0;in;i+) if (ai=num) flag=i;break; if (flag) for(i=0;in;i+) if (i!=flag) printf(%d ,ai); else printf(Cannot find it!);12.1main()int j,k,a12,*p; for(p=a;pa+12;p+) scanf(%d,p); for(p=a,j=1;j=12;j+) printf(%d ,*(p+j-1); if (j%4=0) printf(n); 12.2struct listint i,weight;a10,b;main()int i,j,k; for(i=0;i10;i+) scanf(%d,&ai.i); ai.weight=i+1; for(i=0;i9;i+) for(j=0;j10;j+) if(ai.iaj.i) b=ai;ai=aj;aj=b; printf(DataOriginal); for(i=0;i9;i+) printf(%d %dn,ai.i,ai.weight);12.3int strcomp(char *s,char *t)while(*t+=*s+) if (*s*t) return(-1); else if(*s=*t) return(0); else return(1);main()char ch480; int i,j,k; char min80; for (i=0;i4;i+) gets(chi); for (i=0;istrlen(ch0);i+) mini=ch0i; for (i=1;i0) for (j=0;j999|data=1&d%sn,c,b,a,d,monthd.ch); else printf(*n); 13.3void fun(char s80,char t80)char c80; if (strcmp(s,t)0) strcpy(c,s); strcpy(s,t); strcpy(t,c); main()char ch580; int i,j,k,l; for(i=0;i5;i+) gets(chi); for(i=0;i4;i+) for(j=i+1;j5;j+) fun(chi,chj); for(i=0;i5;i+) puts(chi);13.4struct listint data,weight,ll;a100,k;main()int n,i,j,len,pp; printf(Please input n: ); scanf(%d,&n); for (i=0;in;i+) scanf(%d,&ai.data); ai.weight=i+1; ai.ll=0; for (i=0;in-1;i+) for (j=i+1;jaj.data) k=ai;ai=aj;aj=k; pp=a0.data;len=1;a0.ll=1; for (i=0;in;i+) if (ai.data!=pp) len+;ai.ll=len;pp=ai.data; else ai.ll=len; for(i=0;in-1;i+) for(j=i+1;jaj.weight) k=ai;ai=aj;aj=k; for(i=0;in;i+) printf(%d ,ai.ll); printf(n);13.5#include #include #include int main() char ho128; char ch128; int i; for(i=1993;i=1;i-) itoa(i,ho,2); strcpy(ch,ho); strrev(ho); if(!strcmp(ch,ho) printf(%dn,i);break; return 0;14.1struct listlong xh,zcj; char xm80; int cj3;data5;void input()int i,j,k; for(i=0;i5;i+) scanf(%d,&datai.xh); scanf(%s,&datai.xm); datai.zcj=0; for(j=0;j3;j+) scanf(%d,&datai.cjj); datai.zcj=datai.zcj+datai.cjj; double averge()int i,k,l; double j; j=0; for (i=0;i5;i+) j=j+datai.zcj; j=j/5; return(j);void max()int i,j,max; max=data0.zcj;j=0; for(i=1;imax) max=datai.zcj;j=i; printf(The Best student is:n); printf(%ld%s%d%d%d%.2fn,dataj.xh,dataj.xm,dataj.cj0,dataj.cj1,dataj.cj2,dataj.zcj/3.0);main() input(); printf(The average is=%.2lfn,averge(); max(