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# include <stdio.h>
int main( )
{
int radius;
double area;
for(radius = 1; radius <= 10 ; radius++)
{
area = 3.1416 * radius * radius;
/* ÈôÔ²Ãæ»ý³¬¹ý120£¬ÔòÌø³öforÑ»·£¬²»ÓèÊä³ö */
if(area >= 120.0)
break; // Ìø³öÑ»·
printf("square = %f\n", area);
}
printf("now radius=%d\n\n", radius-1);
for(radius = 1; radius <= 10 ; radius++)
{
area = 3.1416 * radius * radius;
/* ÈôÔ²Ãæ»ýûÓг¬¹ý60£¬Ôò²»Êä³ö¶øÊÇ´ÓпªÊ¼Ñ»· */
if(area < 120.0)
continue; // »Øµ½Ñ»·Í·²¿,¼ÌÐøÏÂһѻ·
printf("square = %f\n", area);
}
printf("now radius=%d\n", radius-1);
return 0;
}
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char * strtok (char * str, const char * delimiters);
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# include <stdio.h>
int main()
{
/* ¶¨Òå×Ö·ûÐͱäÁ¿£¬²¢¸øËüÃǸ¶³õÖµ */
char c1, c2, c3, c4, c5, c6, c7;
c1 = 'C';
c2 = 'h';
c3 = 'i';
c4 = 'n';
& ......
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# include <stdio.h>
int main()
{
int num;
/* ÏÂÃæ¶¨ÒåµÄ¸÷±äÁ¿£¬·Ö±ð´ú±í¸öλ£¬Ê®Î»£¬°Ùλ£¬Ç§Î»£¬Íòλ£¬Ê®ÍòλÒÔ¼°Î»Êý */
int indiv, ten, hundred, thousand;
int ten_thousand, hundred_thous ......
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# include <math.h>
# include <stdio.h> /* Êýѧº¯Êý¿â */
int main()
{
/* ÓÃs±íʾ¶àÏîʽµÄÖµ£¬ÓÃt±íʾÿһÏîµÄÖµ */
double s, t, x; // ´Ë´¦ÓÃË«¾«¶ÈÉùÃ÷±äÁ¿
int n;
printf ......