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}

}

}

return 0;

printf(\data1, op, data2, result); return 0;

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ÊäÈëÔ·ݣ¬´òÓ¡2003Äê¸ÃÔÂÓм¸Ìì¡£µ±ÊäÈëµÄÔ·ݳ¬·¶Î§Ê±£¬Ó¦ÏÔʾ¡°Invalid month input¡±¡£±à³Ì¿ÉÓÃËØ²Ä£ºprintf(\¡¢printf(\¡¢printf(\¡£ ³ÌÐòµÄÔËÐÐЧ¹ûÓ¦ÀàËÆµØÈçͼ1ºÍͼ2Ëùʾ£¬Í¼1ÖеÄ4ºÍͼ2ÖеÄ13ÊÇ´Ó¼üÅÌÊäÈëµÄÄÚÈÝ¡£ #include

int main(void) {

switch (month) {

case 1: case 3: case 5: case 7: case 8: case 10: case 12:

day = 31; break;

printf(\input the month number: \scanf(\&month); int month, day;

case 4:

}

}

case 6: case 9: case 11:

day = 30; break; day = 28; break; day = -1;

case 2:

default :

if (-1 == day) { } else { } return 0;

printf(\2003.%d has %d days\\n\month, day); printf(\month input !\\n\

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ÒÑ֪ij¹«Ë¾Ô±¹¤µÄ±£µ×нˮΪ500£¬Ä³ÔÂËù½Ó¹¤³ÌµÄÀûÈóprofit£¨ÕûÊý£©ÓëÀûÈóÌá³ÉµÄ¹ØÏµÈçÏ£¨¼ÆÁ¿µ¥Î»£ºÔª£©£º

profit¡Ü1000 ûÓÐÌá³É£» 1000£¼profit¡Ü2000 Ìá³É10%£» 2000£¼profit¡Ü5000 Ìá³É15%£» 5000£¼profit¡Ü10000 Ìá³É20%£» 10000£¼profit Ìá³É25%¡£

Çë¸ù¾ÝÊäÈëµÄÀûÈó¼ÆËãÔ±¹¤µÄнˮ¡£±à³Ì¿ÉÓÃËØ²Ä£ºprintf(\t: \¡¢printf(\¡£

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#include

int main(void) {

int profit, grade; double salary = 500;

printf(\ profit: \scanf(\&profit);

grade = (profit - 1) / 1000; switch (grade) { }

case 0:

break;

salary += profit * 0.1; break; case 1:

case 2: case 3: case 4:

salary += profit * 0.15; break;

case 5: case 6: case 7: case 8: case 9:

salary += profit * 0.2; break;

salary += profit * 0.25;

default:

}

printf(\salary); return 0;

±àдһ³ÌÐòP708.CʵÏÖÒÔϹ¦ÄÜ

ÊäÈëÒ»¸öÈýλÕýÕûÊý£¬È»ºóÄæÐòÊä³ö¡£ÈçÊäÈë123£¬ÔòÊä³ö321¡£±à³Ì¿ÉÓÃËØ²Ä£ºprintf(\¡¢printf(\¡£

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int main(void) { }

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ÊäÈëÒ»¸ö»ªÊÏζȣ¬ÒªÇóÊä³öÉãÊÏζȣ¬¼ÆË㹫ʽΪc=5(F-32)/9¡£±à³Ì¿ÉÓÃËØ²Ä£ºprintf(\¡¢printf(\¡£

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int main(void) {

/* ´Ó¼üÅÌÉ϶ÁÈ뻪ÊÏζȵ½±äÁ¿fFÖÐ */

float fC, fF=1.0; //fC´æ·ÅÉãÊÏζȵÄÖµ£¬fF´æ·Å»ªÊÏζȵÄÖµ return 0; bai = num / 100; shi = num % 100 / 10; ge = num % 10;

printf(\result is %d%d%d\\n\ge, shi, bai); int num, bai, shi, ge;

printf(\an integer: \scanf(\&num);

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