printf("\t\t\t1. 输入成绩记录 enter the record\n"); /*输入学生成绩记录*/ printf("\t\t\t2. print the record\n"); /*显示*/ printf("\t\t\t3. 寻找 search record on name\n"); /*寻找*/ printf("\t\t\t4. 删除 delete a record\n"); /*删除*/ printf("\t\t\t5. 排 sort to make new a file\n"); /*排序*/ printf("\t\t\t6. 插入 insert record to l**t\n"); /*插入*/ printf("\t\t\t7. 保存 s**e the file\n"); /*保存*/ printf("\t\t\t8. 读取 load the file\n"); /*读取*/ printf("\t\t\t9. 退出 quit\n"); /*退出*/ 20210311
int n; scanf("%d",&n); for( int i = 1; i <= n; i++) { for ( int j = n-i; j > 0; j--) printf(" "); for ( int k = 1; k <= 2*i-1; k++ ) printf("*"); printf(...