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#include<stdio.h> #include<conio.h> #include<Windows.h> #define giacodinh 30000 #define giobatdaukhunggiovang 8 #define gioketthuckhunggiovang 17 #define giomocua 8 #define giodongcua 24 #define discount_giovang 0.9 #define discount_thuenhieuhon3h 0.7 int main() { int giobatdau, phutbatdau; int gioketthuc, phutketthuc; printf("\nnnhap vao gio khach bat dau thue phong: "); scanf_s("%dh%d", &giobatdau, &phutbatdau); printf("\nnnhap vao gio khach tra phong: "); scanf_s("%dh%d", &gioketthuc, &phutketthuc); float giobatdauthue = giobatdau + (float)phutbatdau / 60; float giotraphong = gioketthuc + (float)phutketthuc / 60; float sogiokhachthue = giotraphong - giobatdauthue; if (giobatdau >= giomocua && giobatdau < gioketthuc && gioketthuc <= giodongcua) { float giatong; if (giobatdau <= gioketthuckhunggiovang && giobatdau >= giobatdaukhunggiovang) { if (giotraphong <= gioketthuckhunggiovang) { if (sogiokhachthue <= 3) { giatong = (sogiokhachthue * giacodinh) * discount_giovang; } else { giatong = (3 * giacodinh + (sogiokhachthue - 3) * discount_thuenhieuhon3h) * discount_giovang; } } else if (giotraphong > gioketthuckhunggiovang) { giatong = (3 * giacodinh + (gioketthuckhunggiovang - giobatdaukhunggiovang - 3) * discount_thuenhieuhon3h) * discount_giovang + (giotraphong-gioketthuckhunggiovang) * discount_thuenhieuhon3h; } } else { if (sogiokhachthue <= 3) { giatong = (sogiokhachthue * giacodinh); } else { giatong = (3 * giacodinh) + (sogiokhachthue - 3) * discount_thuenhieuhon3h; } } printf("\ntong so tien khach phai tra la: %f ", giatong); } else { printf("vui long chi don khach vao gio qui dinh!"); } return 0; }
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