1. Link:
Http://poj.org/problem? Id = 3030
2. content:
Nasty hacks
Time limit:1000 ms |
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Memory limit:65536 K |
Total submissions:12350 |
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Accepted:8537 |
Description
You are the CEO of nasty hacks inc ., A company that creates small pieces of malicious software which teenagers may use to fool their friends. the company has just finished their first product and it is time to wait it. you want to make as much money as possible and consider advertising in order to increase sales. you get an analyst to predict the expected revenue, both with and without advertising. you now want to make a demo-as to whether you shoshould advertise or not, given the expected revenues.
Input
The input consists of n cases, and the first line consists of one positive integer giving n. The next n lines each contain 3 integers,R,EAndC. The first,R, Is the expected revenue if you do not advertise, the second,E, Is the expected revenue if you do advertise, and the third,C, Is the cost of advertising. You can assume that the input will follow these restrictions: − 106 ≤R,E≤ 106 and 0 ≤C≤ 106.
Output
Output one line for each test case: "advertise", "Do not advertise" or "does not matter", presenting whether it is most profitable to advertise or not, or whether it does not make any difference.
Sample Input
30 100 70100 130 30-100 -70 40
Sample output
advertisedoes not matterdo not advertise
Source
Nordic 2006
3. Method:
4. Code:
1 #include<iostream> 2 using namespace std; 3 int main() 4 { 5 int i,n; 6 int r,e,c; 7 int result; 8 cin>>n; 9 for(i=0;i<n;i++)10 {11 cin>>r>>e>>c;12 result=e-c-r;13 if(result>0) cout<<"advertise"<<endl;14 else if(result<0) cout<<"do not advertise"<<endl;15 else cout<<"does not matter"<<endl;16 }17 //system("pause");18 return 1;19 20 }
5. Reference:
Poj 3030 nasty hacks