æ¨å¥½ï¼ä½ çé®é¢ï¼æä¹å好åä¹éå°è¿ï¼ä»¥ä¸æ¯æåæ¥ç解å³æè·¯åæ¹æ³ï¼å¸æè½å¸®å©å°ä½ ï¼è¥æé误ï¼è¿æè§è°
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#include <stdio.h>
int main()
{
char gradelevel;
char grade;
scanf("%c",grade);
printf(" 请è¾å
¥ä½ çæç»©ï¼ ");
if(85<grade>100)
{ gradelevel=1;}
else if(70<grade>84)
{ gradelevel=2;}
else if(60<grade>69)
{ gradelevel=3;}
else if(grade<60)
{ gradelevel=4;}
switch(gradelevel)
{
case 1:printf("A=%d\n");break;
case 2:printf("B\n");break;
case 3:printf("A\n");break;
case 4:printf("é误\n");break;
}
}é常æè°¢æ¨çèå¿è§çï¼å¦æ帮å©è¯·é纳ï¼ç¥çæ´»æå¿«ï¼è°¢è°¢ï¼
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