char text[3][80];
upp=low=dig=spa=oth=0; for (i=0;i<3;i++)
{ printf(\ gets(text[i]);
for (j=0;j<80 && text[i][j]!='\\0';j++) {if (text[i][j]>='A'&& text[i][j]<='Z') upp++;
else if (text[i][j]>='a' && text[i][j]<='z') low++;
else if (text[i][j]>='0' && text[i][j]<='9') dig++;
else if (text[i][j]==' ') spa++; else oth++; } }
printf(\ printf(\ printf(\ : %d\\n\ printf(\ : %d\\n\ printf(\ : %d\\n\ return 0; } 6-11
#include
{ char a[5]={'*','*','*','*','*'}; int i,j,k;
char space=' '; for (i=0;i<5;i++) { printf(\ printf(\ \ for (j=1;j<=i;j++) printf(\ for (k=0;k<5;k++) printf(\ }
printf(\ return 0; }
6-12a-c
#include
char ch[80],tran[80];
printf(\ gets(ch);
printf(\ :%s\ j=0;
while (ch[j]!='\\0')
{ if ((ch[j]>='A') && (ch[j]<='Z')) tran[j]=155-ch[j];
else if ((ch[j]>='a') && (ch[j]<='z')) tran[j]=219-ch[j]; else
tran[j]=ch[j]; j++; } n=j;
printf(\ for (j=0;j 6-12b #include char ch[80]; printf(\ gets(ch); printf(\ j=0; while (ch[j]!='\\0') { if ((ch[j]>='A') && (ch[j]<='Z')) ch[j]=155-ch[j]; else if ((ch[j]>='a') && (ch[j]<='z')) ch[j]=219-ch[j]; else ch[j]=ch[j]; j++; } n=j; printf(\ for (j=0;j #include { char s1[80],s2[40]; int i=0,j=0; printf(\ scanf(\ printf(\ scanf(\ while (s1[i]!='\\0') i++; while(s2[j]!='\\0') s1[i++]=s2[j++]; s1[i]='\\0'; printf(\ return 0; } 6-14 #include char s1[100],s2[100]; printf(\ gets(s1); printf(\ gets(s2); i=0; while ((s1[i]==s2[i]) && (s1[i]!='\\0'))i++; if (s1[i]=='\\0' && s2[i]=='\\0') resu=0; else resu=s1[i]-s2[i]; printf(\ return 0; } 6-15 #include { char s1[80],s2[80]; int i; printf(\ scanf(\ for (i=0;i<=strlen(s2);i++) s1[i]=s2[i]; printf(\ return 0; } µÚ7ÕÂÓú¯ÊýʵÏÖÄ£¿é»¯³ÌÐòÉè¼Æ170 7.1ΪʲôҪÓú¯Êý170 7.2ÔõÑù¶¨Ò庯Êý172 7.2.1ΪʲôҪ¶¨Ò庯Êý172 7.2.2¶¨Ò庯ÊýµÄ·½·¨173 7.3µ÷Óú¯Êý174 7.3.1º¯Êýµ÷ÓõÄÐÎʽ174 7.3.2º¯Êýµ÷ÓÃʱµÄÊý¾Ý´«µÝ175 7.3.3º¯Êýµ÷ÓõĹý³Ì177 7.3.4º¯ÊýµÄ·µ»ØÖµ178 7.4¶Ô±»µ÷Óú¯ÊýµÄÉùÃ÷ºÍº¯ÊýÔÐÍ179 7.5º¯ÊýµÄǶÌ×µ÷ÓÃ182 7.6º¯ÊýµÄµÝ¹éµ÷ÓÃ184 7.7Êý×é×÷Ϊº¯Êý²ÎÊý192 7.7.1Êý×éÔªËØ×÷º¯Êýʵ²Î193 7.7.2Êý×éÃû×÷º¯Êý²ÎÊý194 7.7.3¶àάÊý×éÃû×÷º¯Êý²ÎÊý197 7.8¾Ö²¿±äÁ¿ºÍÈ«¾Ö±äÁ¿199 7.8.1¾Ö²¿±äÁ¿199 7.8.2È«¾Ö±äÁ¿200 7.9±äÁ¿µÄ´æ´¢·½Ê½ºÍÉú´æÆÚ204 7.9.1¶¯Ì¬´æ´¢·½Ê½Ó뾲̬´æ´¢·½Ê½204 7.9.2¾Ö²¿±äÁ¿µÄ´æ´¢Àà±ð205 7.9.3È«¾Ö±äÁ¿µÄ´æ´¢Àà±ð208 7.9.4´æ´¢Àà±ðС½á212 7.10¹ØÓÚ±äÁ¿µÄÉùÃ÷ºÍ¶¨Òå214 7.11ÄÚ²¿º¯ÊýºÍÍⲿº¯Êý215 7.11.1ÄÚ²¿º¯Êý215 7.11.2Íⲿº¯Êý215 ϰÌâ218 7-1-1 #include {int hcf(int,int); int lcd(int,int,int); int u,v,h,l; scanf(\ h=hcf(u,v); printf(\ l=lcd(u,v,h); printf(\ return 0; } int hcf(int u,int v) {int t,r; if (v>u) {t=u;u=v;v=t;} while ((r=u%v)!=0) {u=v; v=r;} return(v); } int lcd(int u,int v,int h) { return(u*v/h); } 7-1-2 #include {void hcf(int,int);
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