C++ 1.利用结构实现阶梯型电阻电路计算 2.利用类实现阶梯型电阻电路计算 3.阶梯型电阻电路的计

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//LadderNetwork.h
struct Struction
{double E;
double risister[50];
};struct Output
{double current[50];
double voltage[50];
};//main.cpp
#include <iostream>
using namespace std;
#include LadderWork.h
int main( )
{void input( int ,Struction & );
void calculate( int, Struction &, Output & );
void output( int, Output & );
Struction struction;
Output result;
int amount;
cout <<欢迎使用阶梯型电阻电路计算程序 << endl;
cout << 请输入所有电阻的数目：;
cin >> amount;
while (amount%2!=0) {cout << 电阻的数目应为偶数,请重新输入：;
cin >> amount; }
input ( amount, struction );
calculate ( amount, struction, result );
output ( amount, result );
cout << 谢谢使用! << endl;
system( Pause );
return 0;
}//input.cpp
#include <iostream>
using namespace std;
#include LadderWork.h
void input( int n, Struction &str )
{int i=1;
cout << 请输入电压源的电势E:;
cin >> str.E;cout << 请按次序输入电阻值：;for( i=0; i<n; i++ ) {cin >> str.risister[i]; while (str.risister[i] <= 0) { cout << 电阻值应为正值,请重新输入：; cin >> str.risister[i]; } } cout << endl; }//calculate.cpp#include<iostream>using namespace std;
#include LadderWork.h
void calculate( int n, Struction &p, Output &q ){int i;double R; R = p.risister[n-1]+p.risister[n-2];for (i=n-3;i>=1;i=i-2) R=R*p.risister[i]/(R+p.risister[i])+p.risister[i-1];for (i=0;i<n;i+=2) {q.current[i] = p.E/R; q.voltage[i] = q.current[i] * p.risister[i]; R = p.risister[i+1] * ( R - p.risister[i] ) / ( p.risister[i+1] - R + p.risister[i] ); p.E= p.E - q.voltage[i]; q.current[i+1] = p.E / p.risiste