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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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#include <stdio.h>
#define MAX 100
int a[MAX], b[MAX], count = 0;
void rData()
{ int i;
FILE *fp;
fp = fopen("C:\\100.dat", "r");
for (i=0; i<MAX; i++)
fscanf(fp, "%d,", &a[i]);
fclose(fp);
}
void main()
{ int i;
rData();
//printf("Âú×ãÌõ¼þµÄÊý= ......
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# include <stdio.h>
int main()
{
/* ¶¨Òå±äÁ¿²¢¸³³õÖµ */
int a = 5;
char c = 'a'; // 'a'µÄASCÂëµÄֵΪ97
  ......
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# include <stdio.h>
int main()
{
/* ¶¨ÒåÁËÒ»¸öÎÞ·ûºÅ×Ö·ûÐͱäÁ¿£¬´Ë±äÁ¿Ö»ÄÜÓÃÀ´´æ´¢ÎÞ·ûºÅÊý */
unsigned char result;
int a, b, c, d;
a = 2;
b = 4; ......
Ô´Âë:
# include <stdio.h>
int main()
{
int x, y;
printf("ÇëÊäÈë×Ô±äÁ¿x£º");
scanf("%d", &x);
if(x < 6)
{
  ......