1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | #include <stdio.h> int main(int argc, char *argv[]) { int a, b; char op; int result; scanf("%d%c%d",&a, &op, &b); switch(op) { case '+': result = a + b; break; case '-': result = a + b; break; default: result = 0; break; } printf("%d", result); return 0; } |
计算学生的学分绩, 规则如下:
- 100 -> 5
- 90~99 ->4
- 80~89 ->3
- 70~79 ->2
- 60~69 ->1
- 0~59 ->0
想想看该怎么写?