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编写程序,计算学生的平均成绩并统计不及格的人数。部分程序如下: #include struct stu { int num; char*name; char sex; float score; }student[5]={ {101,"Li ping",.M.,45}, {102,"Zhang ping",.M.,62.5}, {103,"He fang",.F.,92.5}, {104,"Cheng ling",.F.,87}, {105,"Wang ming",.M.,58}, }; void main() { int i,c=0; float ave,s=0; for(i=0;i<5;i++) { s+= ( ) ; if( ) c++; } ( ) printf("%.2f %d",ave,c); return 0; }

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