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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¿,¼ÌÐøÏÂһѭ»·
        printf("square = %f\n", area);
    }
    printf("now radius=%d\n", radius-1);
    return 0;
}


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int main()
{
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    printf("ÇëÊäÈë×Ô±äÁ¿x£º");
    scanf("%d", &x);
 
    if(x < 6)
    {
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# include <stdio.h>
 
int main()
{
    int i, j, k;
     
    /* ±äÁ¿i´Ó0µ½4£¬±íʾËù»­ÁâÐÎͼµÄµÚÒ»ÖÁµÚÎåÐÐ */
    for(i = 0; i <= 4; i++)
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