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- //tinh tien dien//
- #include <iostream>
- #include "stdafx.h"
- #include <conio.h>
- #include <stdio.h>
- using namespace std;
- void main()
- {
- int dien,dm1 ,dm2,dm3, tien;
- cout << "nhap so luong dien da su dung: ";
- cin >> dien;
- if (dien < 50)
- {
- tien = 10000 + dien * 300;
- cout << "tien dien la:" << tien;
- }
- else if (((dien - 50)>0) && ((dien - 50) <= 50))
- {
- tien = 10000 + 50 * 300 + (dien - 50) * 480;
- cout << "tien dien la: " << tien;
- }
- else if (((dien - 50) > 50) && ((dien - 50) < 100))
- {
- tien = 10000+ 50 * 300 + 50 * 480 + (dien - 100) * 700;
- cout << "tien dien la: " << tien;
- }
- else if (((dien - 50)>100) && ((dien-50) <=200))
- {
- tien = 10000 + 50 * 300 + 50 * 480 + 50 * 700 + (dien - 150)*900;
- cout << "tien dien la: " << tien;
- }
- else if ((dien - 50) > 200)
- {
- tien = 10000+ 50 * 300 + 50 * 480 + 50 * 700 + 50 * 900 + (dien - 200) * 1200;
- cout << "tien dien la: " << tien;
- }
- _getch();
- }
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