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有以下程序段char ch; int k;ch='a'; k=12;printf("%c,%d,",ch,ch,k); printf("k=%d\n",k);已知字符 a 的 ASCll 十进制代码为 97 ,则执行上述程序段后输出结果是 ( )A) 因变量类型与格式描述符的类型不匹配输出无定值B) 输出项与格式描述符个数不符,输出为零值或不定值C)a,97,12k=12D)a,97,k=12
向体积为0.05mol·L-1CH3COOH溶液中加入体积为Vb的0.05mol·L-1KOH溶液,下列关系错误的是A. VaVb时:c (CH3COOH) +c (CH3COO-)c (K+)B. Va=Vb时:c (CH3COOH) +c (H+)c (OH-)C. VaVb时:c (CH3COO-)c (K+) c (OH-) c (H)D. Va与Vb任意比时:c (K+)+ c (H+) =c (OH-)+ c (CH3COO-)
有以下程序段 char ch; int k; ch='a'; k=12; pnntf("%c,%d,",ch,ch,k); printf("k二%d\n",k); 已知字符a的ASCII码值为97,则执行上述程序段后输出结果是A.因变量类型与格式描述符的类型不匹配输出无定值B.输出项与格式描述符个数不符,输出为零值或不定值C.a,97,12k=12D.a,97,k=12
( 30 )下面程序的输出结果是Private Sub Command1_Click()ch$= ” ABCDEF ”proc chPrint chEnd SubPrivate Sub proc(ch As String)S= ””For k=Len(ch) To 1 Step-1s=sMid(ch,k,1)Next kch=sEnd SubA ) ABCDEFB ) FEDCBAC ) AD ) F
有下列程序段:charch:intk:ch=a;k=12;printf(%c,%d,,ch,ch,k);printf(k=%d\n,k);已知字符a的ASCIl十进制代码为97,则执行上述程序段后输出结果是( )。A.因变量类型与格式描述符的类型不匹配输出无定值B.输出项与格式描述符个数不符,输出为零值或不定值C.a,97,12k=12D.a,97,k=12
浙大OJ 2987Misspelling WA 坐等专家指教 Misspelling is an art form that students seem to excel at. Write a program that removes the nth character from an input string. InputThe first line of input contains a single integer N, (1 = N = 1000) which is the number of datasets that follow. Each dataset consists of a single line of input containing M, a space, and a single word made up of uppercase letters only. M will be less than or equal to the length of the word. The length of the word is guaranteed to be less than or equal to 80. OutputFor each dataset, you should generate one line of output with the following values: The dataset number as a decimal integer (start counting at one), a space, and the misspelled word. The misspelled word is the input word with the indicated character deleted. Sample Input44 MISSPELL1 PROGRAMMING7 CONTEST3 BALLOONSample Output1 MISPELL2 ROGRAMMING3 CONTES4 BALOON我的代码#includestdio.h#includestring.hint main(){ int n,i,m,k,j,char[90]; scanf("%d", for(i=0;in;i++) { scanf("%d", getchar(); scanf("%s", j=0; for(k=0;ch[k]!='\0';k++) { if(k!=(m-1)) { j=j+1; ch[j]=ch[k]; // 这个地方 我有点小疑问 如果m=4 那么 ch[1]=ch[0],ch[2] } ]=ch[1] ch[3]=ch[2] ch[4]=ch[4];ch[5]=ch[5]....... 最后 在 } 输出ch的时候 ch[0] =ch[1],这个地方不是会有重复吗? (新手问的问题可能有点白痴 呵呵) printf("%d\n",k+1); printf("%s\n",ch); } return 0;}
杭电2000 ASCII码排序 #includestdio.h#includestring.hint main(){ int n,ch[3],i,t,k,j; while(scanf("%d", for(i=0;i3;i++) { if(ch[i]ch[0]) { t=ch[0]; ch[0]=ch[i]; ch[i]=t; } } if(ch[2]ch[1]) { k=ch[2]; ch[2]=ch[1]; ch[1]=k; } for(j=0;j3;j++) { if(j==0) printf("%c",ch[0]); else printf(" %c",ch[j]); } printf("\n"); } return 0;}Problem Description输入三个字符后,按各字符的ASCII码从小到大的顺序输出这三个字符。 Input输入数据有多组,每组占一行,有三个字符组成,之间无空格。 Output对于每组输入数据,输出一行,字符中间用一个空格分开。 Sample Inputqweasdzxc Sample Outpute q wa d sc x z
若变量已正确定义并赋值,对库函数错误调用的是( )A.k=scanf("%d%d",i,j);B.printf("\\%d\\n",k);C.getchar(ch);D.putchar(ch);
有以下程序段 char eh; int k; ch='a'; k=12; printf("%c,%d,",ch,ch,k); printf("k=%d\n",k); 已知字符a的ASCII码值为97,则执行上述程序段后输出结果是A.因变量类型与格式描述符的类型不匹配输出无定值B.输出项与格式描述符个数不符,输出为零值或不定值C.a,97,12k=12D.a,97,k=12
若ch为char型变量,k为int型变量(已知字符a的ASCII码是97),则执行下列语句后输出的结果为( )。 cb=b; k=10; printf("%X,%o,”,ch,ch,k); printf("k=%%d\n",k);A.因变量类型与格式描述符的类型不匹配,输出无定值B.输出项与格式描述符个数不符,输出为0值或不定值C.62,142,k=%dD.62,142,k=%10
阅读以下说明和C程序,填入(n)外。[说明]以下C程序实现了将字符串转化为浮点数的功能。例如字符串“1234567”转化为浮点数1234567;字符串“100.02035”转化为浮点数100.02035;字符串“-100.02035”转化为浮点数-100.02035。程序中的部分变量的含义如表9-5。[C程序]double StrToDouble(char*s){char hexch[]="0123456789";int i,j,psign=1;DWORD n,k,intpart=0;double doublepart=0,kdouble,resoult;char ch;if (*s=='.'{(1);(2);}char*s1=s,*temp=NULL;temp=strrchr ( s1,'.' );if (!temp){k=1; intpart=0;for (i=strlen (s); i>0;i--){ch=s[i-1];if (ch>0x3f) ch=0xDF;n=0;for (j=0; j<10; j++)if ( ch==hexch[j]) n=j;intpart+= (n*k);k*=10;}}else{s1=temp+1;kdouble=0.1;doublepart=0;for ((3)){ch=s1[i-1];if (ch>0x3f) ch=0xDF;n=0;for (j=0; j<10; j++ )if (ch==hexch[j])n=j;doublepart+= (n*kdouble);(4);}*temp=NULL;k=1; intpart=0;for ((5);){ch=s[i-1];if (ch>0x3f) ch=0xDF;n=0;for (j=0; j<10; j++)if (ch==hexch[j]) n=j;intpart+= (n*k);k*=10;}//end else}(6);return resoult;}
下面程序的输出结果是。 Private Sub Commandl_Click ch$=“ABCDEF” proc ch:Print ch End Sub Private Sub proc(ch As Stnng) s=“” For k=Len(ch) TO 1 Step -1 s=sMid(ch,k,1) Next k ch=s End Sub A.ABCDEF B.FEDCBA C.A D.F
若ch为char型变量,k为int型变量(已知字符a的ASCII十进制代码为97), 则以下程序段的执行结果是(). ch=’a’; k=12; printf("%x,%o,",ch,ch); printf("k=%%%d/n",k);A、因变量类型与格式描述符的类型不匹配,输出无定值B、输出项与格式描述符个数不符,输出为零值或不定值C、61,141,k=%12D、61,141,k=%d
单选题有如下程序:#includemain(){ charch='M'; while(ch!='K') { ch--; putchar(ch); } printf();}程序运行后的输出结果是( )。AMNBLKCOPDMM
名词解释题诚惶诚恐chéng huáng chéng kǒng