1、C语言课后习题77.1#include #define N 101main() int i,j,line,aN; for (i=2;iN;i+) ai=i; for (i=2;isqrt(N);i+) for (j=i+1;jN;j+) if(ai!=0 & aj!=0) if (aj%ai=0) aj=0; printf(n); for (i=2,line=0;iN;i+) if(ai!=0) printf(%5d,ai); line+; if(line=10) printf(n); line=0; 7.2#define N 10main()int i,j,min,temp,aN;for(i
2、=0;iN;i+) scanf(%d,&ai);for(i=0;iN-1;i+) min=i; for(j=i+1;jaj)min=j; temp=ai; ai=amin; amin=temp; for(i=0;iN;i+) printf(%5d,ai);7.3main()float a33,sum=0;int i,j;for(i=0;i3;i+) for(j=0;jend) a10=number;else for(i=0;inumber) temp1=ai; ai=number; for(j=i+1;j11;j+) temp2=aj; aj=temp1; temp1=temp2; break
3、; for(i=0;i11;i+) printf(%6d,ai);7.5#define N 5main()int aN=8,6,5,4,1,i,temp;for(i=0;iN/2;i+) temp=ai; ai=aN-i-1; aN-i-1=temp; for(i=0;iN;i+) printf(%4d,ai);7.6#define N 11main()int i,j,aNN;for(i=1;iN;i+) aii=1; ai1=1; for(i=3;iN;i+) for(j=2;ji;j+) aij=ai-1j-1+ai-1j;for(i=1;iN;i+) for(j=1;j=i;j+) pr
4、intf(%6d,aij); printf(n); 7.7main()int a1616,i,j,k,p,m,n;p=1;while(p=1) scanf(%d,&n); if(n!=0)&(n=15)&(n%2!=0)p=0; for(i=1;i=n;i+) for(j=1;j=n;j+) aij=0;j=n/2+1;a1j=1;for(k=2;k=n*n;k+) i=i-1; j=j+1; if(in) i=i+2; j=j-1; else if(in)j=1; if(aij=0)aij=k; else i=i+2; j=j-1; aij=k; for(i=1;i=n;i+) for(j=
5、1;j=n;j+) printf(%3d,aij); printf(n); 7.8#define N 10#define M 10main()int i,j,k,m,n,flag1,flag2,aNM,max,maxi,maxj;scanf(%d,%d,&n,&m);for(i=0;in;i+) for(j=0;jm;j+) scanf(%d,&aij);flag2=0;for(i=0;in;i+) max=ai0; for(j=0;jm;j+) if(maxaij) max=aij; maxj=j; for(k=0,flag1=1;kakmaxj)flag1=0; if(flag1) pri
6、ntf(na%d%d=%dn,i,maxj,max); flag2=1; if(!flag2) printf(NOT);7.9#include#define N 15main()int i,j,number,top,bott,min,loca,aN,flag;for(i=0;ia0)|(numberaN-1) loca=-1; while(loca=0)&(top=bott) min=(bott+top)/2; if(number=amin) loca=min; printf(number=%d,loca=%dn,number,lo ca+1); else if(numberamin) top
7、=min+1; else bott=min-1; if(loca=0|loca=-1) printf(%d not in tablen,number); 7.10main()int i,j,uppn,lown,dign,span,othn;char text380;uppn=lown=dign=span=othn=0;for(i=0;i3;i+) gets(texti); for(j=0;j=A&textij=a&textij=0&textij=9) dign+; else if(textij= ) span+; else othn+; for(i=0;i3;i+) printf(%sn,te
8、xti);printf(uppn=%dn,uppn);printf(lown=%dn,lown);printf(dign=%dn,dign);printf(span=%dn,span);printf(othn=%dn,othn);7.11main()static char a5=*,*,*,*,*;int i,j,k;char space= ;for(i=0;i=5;i+) printf(n); for(j=1;j=3*i;j+) printf(%1c,space); for(k=0;k=5;k+) printf(%3c,ak); 7.12#includemain()int i,n;char
9、ch80,tran80;gets(ch);i=0;while(chi!=0) if(chi=A)&(chi=a)&(chi=z) trani=26+96-chi+1+96; else trani=chi; i+; n=i;for(i=0;in;i+) putchar(trani);7.13main()char s180,s240;int i=0,j=0;scanf(%s,s1);scanf(%s,s2);while(s1i!=0)i+;while(s2j!=0)s1i+=s2j+;s1i=0;printf(s=%sn,s1);7.14#includemain()int i,resu;char s1100,s2100;gets(s1);gets(s2);i=0;while(s1i=s2i)&(s1i!=0)i+;if(s1i=0&s2i=0)resu=0;else resu=s1i-s2i;printf(s1=%s,s2=%s,resu=%dn,s1,s2,resu);7.15#includestdio.hmain()char from80,to80;int i;scanf(%s,from);for(i=0;i=strlen(from);i+) toi=fromi;printf(%sn,to);
