内容发布更新时间 : 2024/12/23 2:54:30星期一 下面是文章的全部内容请认真阅读。
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#include
int n;
int count=0;
for(n=2;n<1000;n++) if( fun( n ) ) { printf(\ count++; if( count % 10 == 0 ) printf(\ } printf(\}
int fun( int n ) {
int i;
for(i=2; i (5) #include int n; scanf(\ printf(\} int func( int n ) { if ( 1 == n ) return 3; return 2*func(n-1)-1; } (6) #include int x,y,t; scanf(\ if( x < y ) { t=x; x=y; y=t; } printf(\} int gcd(int m, int n) { if (0==n) return m; return gcd(n, m%n); } 第9章 1. (1)xyzNKT (2)bcdefgh (3)4,4 (4)qponmzyx (5)abcCD (6)0 2. (1) #include void reverse( int *p, int n); main( ) { int i; int a[10]={1,2,3,4,5,6,7,8,9,10}; reverse(a,10); for(i=0; i<10; i++) printf(\ printf(\} void reverse( int *p, int n) { int *q; int t; q = p + n - 1; while( p < q ) { t = *p; *p = *q; *q = t; p++; q--; } } (2) #include void reverseStr( char *str ); main( ) { char s[100]; gets(s); reverseStr(s); puts(s); } void reverseStr( char *str ) { char *pEnd,t; pEnd = str + strlen(str) - 1; while( str < pEnd ) { t = *str; *str = *pEnd; *pEnd = t; str++; pEnd--; } } (3) #include int copyTo(int *s1, int n, int *s2); main( ) { int a[10]={1,2,3,4,5,6,7,8,9, 10}; int b[10], count,i; count=copyTo(a,10,b); for(i=0; i int copyTo(int *s1, int n, int *s2) { int count=0; int *ps1, *ps2; ps2 = s2; for(ps1 = s1; ps1 < s1 + n; ps1++) { if( *ps1 % 2 )//奇数 { *ps2++ = *ps1; } } return ps2 - s2; } (4) #include void copyToStr(char *str1, char *str2); main( ) { char s1[100], s2[100]; gets( s1 ); copyToStr(s1, s2); puts( s2 ); } void copyToStr(char *str1, char *str2) { while( *str1 ) { if( *str1 >= 'a' && *str1 <= 'z' ) { *str2++=*str1; } str1++; } *str2 = '\\0'; } (5) #include void deleteAll(char *str, char ch); main( ) { char s[100], c; gets(s); c = getchar( ); deleteAll(s, c); puts(s); } void deleteAll(char *str, char ch) { char *p; p = str; while( *str ) { if( *str != ch ) *p++ = *str; str++; } *p = '\\0'; } (6) #include void replaceAll( char *str, char ch1, char ch2); main( ) { char s[100], c1, c2; printf(\输入字符串:\ gets(s); printf(\输入查找字符:\ c1 = getchar( ); fflush(stdin); //清除键盘缓冲区 printf(\输入替换字符:\ c2 = getchar( ); replaceAll(s,c1, c2);