题目内容

以下选项中,不能正确赋值的是______。

A. char s1[10];s1="chest";
B. char s2[]={'C','t','e','s','t'};
C. char s3[20]="Chest";
D. char *s4="Chest\n";

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有下列程序 #include void main() { int i,j=0; char a[]="abl23c4d56ef7gh89"; for(i=0;a[i];i++) if(!(a[i]>='0'&&a[i]<='9')) a[j++]=a[i]; a[j]='\0'; printf("%s",a); } 则程序输出结果是______。

A. ab1cdefgh
B. 123456789
C. 123456789abcdefgh
D. abcdefgh56ef7gh89

有以下程序 #include void main() { char a[]="abcdefg",b[10]="abcdefg"; printf("%d %d\n",sizeof(a),sizeof(b)); } 程序的运行结果是______。

A. 7 7
B. 8 8
C. 8 10
D. 10 10

若有以下程序 #include"stdio.h" void main() { char w[20]="dogs",a[5][10]={"abcdef", "ghijkl", "mnopq", "rstuv", "wxyz ."}; int i,j,k; for (i=0; w[i]; i++) { for(j=0;j<5;j++) { for (k=0;a[j][k];k++) if(w[i]==a[j][k]) break; if(w[i]==a[j][k]) break; } printf("%d,%d,",j,k); } } 程序的运行结果是______。

A. 1,4,3,3,2,1,4,2,
B. 0,3,2,2,1,0,3,1,
C. 5,6,5,6,5,6,5,6,
D. 6,7,6,7,6,7,6,7,

有以下程序 #include main() { char a[30],b[30]; scanf("%s",a); gets(b); printf("%s%s",a,b); } 程序运行时若输入:How are you? I am fine. (回车) 程序运行结果是______。

A. How are you? I am fine How are you? I am fine.
B. How are you? I am fine.
C. How are you? I am fine
D. How are you?