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- // Tinh tien thue bao ADSL
- // Khai bao cac ham thu vien neu co
- #include<stdio.h>
- #include<conio.h>
- void main()
- {
- long n;
- scanf("%ld",&n);
- long s=0;
- if(n<500&&n>0)
- {
- s=s+ 500*50;
- }
- else
- {
- if(n<=1000&&n>500)
- {
- s=s+ (500*50)+((n-500)*40);
- }
- else
- {
- if(n<=1500&&n>1000)
- {
- s=s+ (500*50)+((n-500)*40)+((n-500-500)*30);
- }
- else
- {
- s=s+ (500*50)+((n-500)*40)+((n-500-500)*30)+ ((n-1500)*20);
- }
- }
- }
- if(s>100000000)
- {
- printf(" So tien khach hang phai tra la: 299000 dong\n");
- }
- else
- {
- printf(" So tien khach hanh can thanh toan: %ld dong\n",s);
- }
- }
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