Newcomers to the big guys please more guidance (major dev-c++)

Source: Internet
Author: User

Hello everyone, I am dev-c++ rookie, in fact, there will be some simple procedures, in the future, please more exchanges and discussion.

Do not say anything more, I will send some daily learning essays, will also ask some questions ...

Try a little:

Suppose that the new resources on Earth grow at a constant rate.    According to this measure, the existing resources on Earth and new resources can be used for x million people live a year, or for y million people living B year. How many millions of people can the planet feed in order to achieve sustainable development and avoid depletion of resources? Input:A row that consists of four positive integer x,a,y,b and two integers separated by a single space. X>y,a<b,ax<by, each integer is not greater than 10000 Output:A real number z, which means that the earth feeds up to Z million people, rounded to two decimal places. Sample Input : 110 90 90 210 Sample Output : 75.00
#include <iostream> #include <cstdio>using namespace Std;int main () {     float x,a,y,b,z;     cin>>x>>a>>y>>b;     z= (b*y-a*x)/(b-a);     printf ("z=%0.2f\n", z);     GetChar ();     return 0;}

  

In the next section, I will explain in detail ...

The big guy can give me advice or automatic disregard, do not like to spray.

  

Newcomers to the big guys please more guidance (major dev-c++)

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