学生系统C语言成绩排名

#include <stdio.h> #include <string.h> struct student { char name[20]; long int num; float score[4]; } ; struct student stu[5]={{"aaa",10101,67.5,89,78,64},{"BBB",10102,77.5,90,58,69},{"CCC",10103,70.3,88,98,74},{"DDD",10104,73.5,86,88,64},{"EEE",10105,80.5,89,68,64}}; void main() { float M=0; int m=0,k=0,D[5]; float total_score[5]={0}; for(int i=0;i<5;i++) { D[i]=1; printf("%s %ld %f %f %f %f\n",stu[i].name,stu[i].num,stu[i].score[0],stu[i].score[1],stu[i].score[2],stu[i].score[3]); } for( i=0;i<5;i++) { for (int j=0;j<4;j++) { M=stu[i].score[j]; total_score[i]=total_score[i]+stu[i].score[j]; if (M<60.0) { printf("\n学生%s的第%d门成绩不及格,不参加排名\n",stu[i].name,j+1); D[i]=0; } } } // display the total score printf("\n各个学生的总成绩为:\n"); for ( i=0;i<5;i++) { printf("%s %f \n",stu[i].name,total_score[i]); } // to sort the total score for ( i=0;i<4;i++) { k=i; if (D[i]==0) { continue; } else for (int j=i+1;j<5;j++) { if (D[j]==0) { continue; } else { if(total_score[k]<total_score[j]) k=j; } } float tep=0; tep=total_score[i]; total_score[i]=total_score[k]; total_score[k]=tep; struct student temp; temp=stu[i]; stu[i]=stu[k]; stu[k]=temp; } printf("\n学生的总成绩排名为:\n"); for (i=0;i<5;i++) { if (D[i]==1) { m=m+1; printf("the rank %d is %s\n",m,stu[i].name); } } }