比较两个字符串数组

我正在为一个较大的程序验证一个数据文件。我在代码的最后一部分，我试图确保两个单独的数组是"等于"彼此的字符串本身。我已经包含了我最近一次尝试的代码。请原谅我把整个功能都贴出来了。

在这里:

//
//  validateDataFile.cpp
//  P1
//
//  Created by xxxxxxx on 3/26/13.
//  Copyright (c) 2013 xxxxxxx. All rights reserved.
//
#include "p1.h"
void validateDataFile (string fileName) {
fstream file;
file.open (fileName.c_str());
if (file.is_open()) {
    unsigned int i, j, x = 0, y = 0, a;
    int flag = 0, check = 0;
    string fileData, word, strg[200];
    getline (file, fileData);
    for (i = 0; i < fileData.length(); i++) {
        if ((fileData[i] == ' ') || (fileData[i] < 48) || (fileData[i] > 57)) {
            cout << "fileData[i]: " << fileData[i] << endl;
            cout << "Incorrect DataFile!nFirst line should contain a positive"
            " integer and no white space" << endl;
            return;
        }
    }
    int numberOfNodes = convertToInt(fileData);
    string list[numberOfNodes];
    if (numberOfNodes < 0) {
        cout << "Number of Nodes: " << numberOfNodes << endl;
        cout << "Incorrect DataFile!nFirst character should be a positive"
        "integer" << endl;
        return;
    }
    getline (file, fileData);
    stringstream stream (fileData);
    while (getline (stream, word, ' ')) {
        list[x++] = word;
            for (a = 0; a < numberOfNodes; a++) {
                    cout << "list of nodes: " << list[a] << endl;   //testing only
            }
    }
    if (x != numberOfNodes) {
        cout << "Incorrect DataFile!nList of strings has more strings than"
        " the number of nodes specified in the first line." << endl;
        return;
    }
    while (!file.eof()){
        getline (file, fileData);
        stringstream ss (fileData);
        while (getline (ss, word, ' ')) {

            if (convertToInt(word) < 0) {
                flag = 0;
                for (i = 0; i < y; i++) {
                    if (strg[i] == word) flag = 1;
                }
                if (flag == 0) strg[y++] = word;
            }
        }
    }
    for (i = 0; i < y; i++) {               //<- my problem starts here
        check = 0;
        for (j = 0; j < x; j++) {
            if (strg[i].compare (list[j]) == 0) {
                check = 1;                  //<- my problem ends here
                break;
            }
        }
    }
    if (check == 0) {
        cout << "Incorrect DataFile!nStrings listed should match Node Strings" << endl;
        return;
    }
}
else {
    cout << "ERROR!n DataFile not present." << endl;
    return;
}

file.close();
}

它编译没有错误，但不做我想做的。

我故意改变我的数据文件来创建错误，但由于某种原因它没有，这告诉我我的比较是不正确的。

这是我的数据文件的一小部分:

16
Cape Birmingham Boston Chicago Dallas Detroit KansasCity LosAngeles Memphis Minneapolis Omaha Orlando Richmond SanFrancisco Seattle StLouis 
Atlanta Chicago 718
Atlanta Dallas 781
Atlanta Orlando 439
Birmingham Atlanta 146
Birmingham Detroit 723
Birmingham Richmond 678
Boston Atlanta 1099
Boston Detroit 716
Boston Memphis 1311
Chicago Atlanta 718
Chicago Boston 983
Chicago KansasCity 526

我故意把第一个城市从"亚特兰大"改成了"开普"。有人能告诉我我的错误并告诉我需要做些什么来纠正它吗?谢谢!