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s=32;s^=32;printf(¡°%d¡±,s);
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B)ÔÚ±àÒë³ÌÐò¶ÔCÔ´³ÌÐò½øÐÐÔ¤´¦ÀíʱÓÃ100Ìæ»»±êʶ·ûN
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#include<stdio.h>
main()
{FILE*fp;inti;
charch[]=¡±abcd¡±,t;
fp=fopen(¡°***.dat¡±,¡±wb+¡±);
for(i=0;i<4;i++)fwriter&ch[],1,1fp;
fseek(fp,-2L,**EK_END);
fread(&t,1,1,fp);
fclose(fp);
printf(¡°%c\n¡±,t);
}
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#include
main()
{intn=12345,d;
while(n!=0){d=n%10;printf("%d",d);n/=10;}
}
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main()
{
intm=011,n=11;
printf("%d%d\n",++m,n++);
}
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main()
{inta,b;
printf("Entera,b:");scanf("%d,%d",&a,&b);
while(a!=b)
{while(a>b)a-=b;
while(b>a)b-=a;
}
printf("%3d%3d\n",a,b);
}
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for(s=1.0,k=1;k<=n;k++)s=s+1.0/(k*(k+1));
printf("s=%f\n\n",s);
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s=1.0;k=1;
while(_¡¾9¡¿_______){s=s+1.0/(k*(k+1));_¡¾10¡¿_______;}
printf("s=%f\n\n",s);
£¨10£©Ö´ÐÐÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ¡¾11¡¿______.
#include
main()
{inti,n[4]={1};
for(i=1;i<=3;i++)
{n=n[i-1]*2+1;printf("%d",n);}
}
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#include
viodf(intx[],intn)
{intp0,p1,i,j,t,m;
i=j=x[0];p0=p1=0;
for(m=0;m{if(x[m]>i){i=x[m];p0=m;}
elseif(x[m]}
t=x[p0];x[p0]=x[n-1];x[n-1]=t;
t=x[p1];x[p1]=_¡¾12¡¿_______;¡¾13¡¿______=t;
}
main()
{inta[10],u;
for(u=0;u<10;u++)scanf("%d",&a);
f(a,10);
for(u=0;u<10;u++)printf("%d",a);
printf("\n");
}
£¨12£©ÏÂÁгÌÐòÖеĺ¯Êýstrcpy2()ʵÏÖ×Ö·û´®Á½´Î¸´ÖÆ£¬¼´½«tËùÖ¸×Ö·û´®¸´ÖÆÁ½´Îµ½sËùÖ¸ÄÚ´æ¿Õ¼äÖУ¬ºÏ²¢ÐγÉÒ»¸öеÄ×Ö·û´®¡£ÀýÈ磬ÈôtËùÖ¸×Ö·û´®Îªefgh£¬µ÷ÓÃstrcpy2ºó£¬sËùÖ¸×Ö·û´®Îªefghefgh¡£ÇëÌî¿Õ¡£
#include<stdio.h>
#include<string.h>
voidstrcpy2(char*s,char*t)
{char*p=t;
while(*s++=*t++);
s=¡¾14¡¿;
while(¡¾15¡¿=*p++);
}
main()
{charstr1[100]="abcd",str2[]="efgh";
strcpy2(str1,str2);printf("%s\n",str1);
}
£¨13£©ÒÔϳÌÐòͳ¼Æ´ÓÖÕ¶ËÊäÈëµÄ×Ö·ûÖдóд×ÖĸµÄ¸öÊý,**m[0]ÖÐͳ¼Æ×ÖĸAµÄ¸öÊý,**m[1]ÖÐͳ¼Æ×ÖĸBµÄ¸öÊý,ÆäËüÒÀ´ÎÀàÍÆ.ÓÃ#ºÅ½áÊøÊäÈë,ÇëÌî¿Õ.
#include
#include
main()
{int**m[26]={0},i;charc;
while((_¡¾16¡¿_______)!='#')
if(isupper(c))**m[c-¡®A¡¯]+=¡¾17¡¿_______;
for(i=0;i<26;i++)
Printf("%c:%d\n",i+'A',**m);
}
£¨14£©ÒÔϳÌÐòÖУ¬º¯ÊýfunµÄ¹¦ÄÜÊǼÆËãx2-2x+6£¬Ö÷º¯ÊýÖн«µ÷ÓÃfunº¯Êý¼ÆË㣺
y1=(x+8)2-2(x+8)+6
y2=sin2(x)-2sin(x)+6
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#include"math.h"
doublefun(doublex){return(x*x-2*x+6);}
main()
{
doublex,y1,y2;
printf("Enterx:");scanf("%lf",&x);
y1=fun(¡¾18¡¿);
y2=fun(¡¾19¡¿);
printf("y1=%lf,y2=%lf\n",y1,y2);
}
£¨15£©ÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ_¡¾20¡¿______.
#include
#defineM5
#defineNM+M
main()
{intk;
k=N*N*5;printf("%d\n",k);
}
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10.37511.x[0]x[0]12.s--,*s++13.c=getchar()14.(x+8),sin(x)15.55
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