《C语言程序设计》课后习题答案(第四版)谭浩强

reatedwithSpire.PDFfor.NET.\r#include<stdio.h>\r#defineMAX80\r#defineCHANGE1\rintmain()\r(\rcharstr[MAX];\rinti;\rprintf("inputtext:\n");\rgets(str);\r#if(CHANGE)\r{for(i=0;i<MAX;i++)\r{if(str[i]!='\0')\rif(str[i]>='a'&&str[i]<,z'||str[i]>='A'&&str[i]<='Z')\rstr[i]+=l;\relseif(str[i]=='z|||str[i]=='Z')\rstr[i]-=25;\r)\r)\r#endif\rprintf(,,output:\n%s\n"str);\r,\rreturn0;\r12-1\r#include<stdio.h>\rintmain()\r{unsigneda,b,c,d;\rprintf("pleaseentera:");\rscanf("%o",&a);\rb=aY4;\rcH\r(\r0<<4);\rd=b&c;\rprintf("%o,%d\n%o7%d\n",a,a,d,d);\rreturn0;\r12-2\r#include<stdio.h>\rintmain()\r{unsignedshorta,b,c;\rintn;\rprintf("pleaseentera&n:\n");EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\rscanf("a=%o,n=%d"/&a,&n);\rb=a](16-n);\rc=aYn;\rc=c|b;\rprintf("a:%o\nc:%o\n",a,c);\rreturn0;\r)