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for(i=0;i<5;i++) {

for(j=0;j<5;j++)

printf(\ printf(\ }

putchar(10); for(i=0;i<5;i++) {

for(j=0;j<=i;j++) printf(\ printf(\ s=s+a[i][j]; }

printf(\}

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#include #include main() {

char str1[40],str2[20]; int i,k;

printf(\ÇëÊäÈëµÚÒ»¸ö×Ö·û´®\\n\scanf(\

printf(\ÇëÊäÈëµÚ¶þ¸ö×Ö·û´®\\n\scanf(\

for(i=0;str1[i]!='\\0';i++); for(k=0;str2[k]!='\\0';k++) {

str1[i]=str2[k]; i++; }

str1[i]='\\0';

for(i=0;str1[i]!='\\0';i++) {

if(str1[i]>='a' && str1[i]<='z') {

str1[i]=str1[i]-32; } }

printf(\} 2.

#include \main()

{char a[80],b[40],*q=a,*p=b;int i=0; printf(\×Ö·û´®a:\gets(a);

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printf(\×Ö·û´®b:\gets(b);

while(*q++); q--; while(*p++) i++; p=b; if(i<5)

while(i--) *q++=*p++; else

for(i=0;i<5;i++) *q++=b[i]; *q='\\0'; puts(a); } 3.

#include main()

{char c[80],ch; int i,num=0;

printf(\ÇëÊäÈë×Ö·û´®¼°×Ö·û£º\gets(c); ch=getchar();

for(i=0;c[i]!='\\0';i++) if(c[i]==ch) num++;

printf(\puts(c); } 4.

#include#include #include main()

{ char str[100],str_sort[100],c; int i,j,len,m; printf(\ÇëÊäÈë×Ö·û´®:\ gets(str);

strcpy(str_sort,str); len=strlen(str_sort);

for(i=0;istr_sort[j+1]) {c=str_sort[j];

str_sort[j]=str_sort[j+1]; str_sort[j+1]=c; }

for(i=1,j=1,m=0;i

{ if(j>m) { m=j;

c=str_sort[i-1]; } j=1; } else j++;

printf(\³öÏÖ×î¶àµÄÊÇ:%c %d\\n\ getch(); } 5.

#include main() { } 7.

#include #include main()

{char c[80],ch; int i,l; gets(c); l=strlen(c); for(i=0;i

char i; int c=0; int a=0,sum; scanf(\while(i!='\\n') { }

printf(\}

if(i=='Z')i=i+32-25,printf(\scanf(\

{

if('a'<=i&&i<='z')printf(\if('A'<=i&&i<='Y')i=i+33,printf(\

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