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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int g;
  5.     printf("请输入成绩:\n");
  6.     scanf("%d",&g);
  7.     if(g>=90&&g<=100)printf("A");
  8.     if(g>=80&&g<90)printf("B");
  9.     if(g>=70&&g<80)printf("C");
  10.     if(g>=60&&g<70)printf("D");
  11.     if(g>=0&&g<60)printf("E");
  12.     else printf("该成绩不合法");
  13. 	return 0;
  14. }
  15.  
Success #stdin #stdout 0.01s 5288KB
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100
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请输入成绩:
A该成绩不合法
https://ideone.com/eu7Tlx
language:
C (gcc 8.3)
created:
6 days ago
visibility:
public

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