我该如何仅使用循环而无需阵列或向量

我几乎已经完成了最后一部分。确实需要帮助，我与老师没有得到回应。我想显示哪个复杂的Enter总租金总数最高。现在，我有一个名为CurrentRentamount的双重命名，它可以在每个循环重置后保持总体运行。因此，问题是，如果第一个复合体是收集到最高的租金综合体输入的，它会失去该价值，因为它的重置为0。我感觉如此接近，但到目前为止。我不能使用矢量/数组，因为我们从技术上讲还没有学习。

   // ConsoleApplication1.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include "stdafx.h"
#include <iostream>
#include <fstream>
#include <iomanip>
#include <string>
using namespace std;

int main()
{
    ofstream outputFile;
    outputFile.open("rentfile.txt");
    int numComplex, numMonths;
    double rent, totalAllRent = 0; //// Accumulator for total scores
    string nameComplex;
    string highNameComplex;
    double averageRent;
    double highestComplexRent = 0;
    double currentRentAmount = 0;
    double previousRentAmount = 0;

    //set up numeric output programing
    cout << fixed << showpoint << setprecision(1);
    cout << "How many complexes will you enter?";
    cin >> numComplex;   //number of complexes enter
    cout << "How many months of rent will you enter complex?";
    cin >> numMonths; //number of months of rent enter

    for (int complex = 1; complex <= numComplex; complex++)
    {
        cout << "Enter Complex Name ";
        cin >> nameComplex;
        outputFile << nameComplex << " ";
        for (int months = 1; months <= numMonths; months++)
        {
            cout << "Enter Rent " << months << " for ";
            cout << " Complex " << complex << ": ";
            cin >> rent;
            totalAllRent = totalAllRent + rent;
            averageRent = totalAllRent / numComplex;
            outputFile << rent << endl; //write data to output file 
            currentRentAmount = currentRentAmount + rent;
            cout << currentRentAmount << endl;

            if  (currentRentAmount > highestComplexRent)
            {
                currentRentAmount = highestComplexRent;
            }
            }   
    currentRentAmount = 0;
    }


    outputFile.close(); //close the file
    ifstream inputFile;
    inputFile.open("rentfile.txt");
    cout << "Complex Monthly rent Collected per Complex " << endl;
    while (inputFile >> nameComplex)
    {
        for (int i = 0; i < numMonths; i++)
        {
            inputFile >> rent;
            cout << nameComplex << " " << rent << endl;
            if (rent == 0)
                cout << "Warning one of the complexes submitted zero rent for one of the months " << endl;
            }
    }
            cout << "Total rent collected for the company = " << totalAllRent << endl;
            cout << " Average Monthly rent collected for the company = " << averageRent << endl;
            cout << highNameComplex << "collect the most rent = " << highestComplexRent << endl;
    system("pause");
    return 0;
}