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#include<stdio.h> #include<conio.h> #include<string.h> #define MAX 50 struct HocSinh { char HoTen[30]; int DiemToan, DiemVan; float DiemTB; }; typedef struct HocSinh HOCSINH; struct LopHoc { char TenLop[30]; int SiSo; HOCSINH DanhSachHocSinh[MAX]; }; typedef struct LopHoc LOPHOC; void NhapHocSinh(HOCSINH &a) { fflush(stdin); printf("Nhap ten hoc sinh: \n"); gets(a.HoTen); printf("Nhap diem toan: \n"); scanf("%d", &a.DiemToan); printf("Nhap diem van: \n"); scanf("%d", &a.DiemVan); } float TinhDiemTB(HOCSINH a) { return (float)(a.DiemToan + a.DiemVan) / 2; } void XuatHocSinh(HOCSINH a) { printf("Ten hoc sinh: %s\n", a.HoTen); printf("Diem toan: %d\n", a.DiemToan); printf("Diem van: %d\n", a.DiemVan); printf("Diem trung binh: %.2f", TinhDiemTB(a)); } void NhapLopHoc(LOPHOC &a) { fflush(stdin); printf("Nhap ten lop: \n", a.TenLop); gets(a.TenLop); do { printf("Nhap si so: \n"); scanf("%d", &a.SiSo); if(a.SiSo < 0 || a.SiSo > MAX) { printf("\nSo luong khong hop le. Xin kiem tra lai !"); } }while(a.SiSo < 0 || a.SiSo > MAX); for(int i = 0; i < a.SiSo; i++) { printf("\nNhap vao hoc sinh thu %d\n", i + 1); NhapHocSinh(a.DanhSachHocSinh[i]); } } void XuatLopHoc(LOPHOC a) { for(int i = 0; i < a.SiSo; i++) { printf("\nXuat ra hoc sinh thu %d\n", i + 1); XuatHocSinh(a.DanhSachHocSinh[i]); } } int main() { LOPHOC a; NhapLopHoc(a); XuatLopHoc(a); getch(); return 0; }
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