说我有多个重载函数to_string实例与参数列表匹配，我要怎么改啊？

Question

#include
#include
#include
#include
#include

using namespace std;
#define LEN 500

/**************************************************
基于长度可变区域的索引分配 + 位表
**************************************************/

/*
定义文件结构
*/
typedef struct File
{
string name;//文件名
float size;//文件大小
}File;

/*
定义文件分配表结构
*/
typedef struct Fat //file allocation table文件分配表
{
string fileName; //文件名
int indexBlock; //索引块号
}Fat;

/*
随机产生文件大小
*/
float randFileSize()
{
//srand(time(seed));
float fileSize = (rand() % 81 + 20)/10.0f;//随机产生大小为2k—10k的文件
return fileSize;
}

/*
存储文件
*/
bool storageFile(int bitTable[],vector &FAT, File file, int disk[][LEN])
{
int n = ceil(file.size/2);//向上取整，获得文件存储需要的块数（不包括索引块）

//检查是否有足够的空块来存放该文件
int i = 0;
int k = 0;
int index = -1;//索引块
for (; i < LEN; i++) {
    if (bitTable[i] == 0) {
        k++;
        if (k == 1) {
            index = i;//记下索引块
        }
        if (k == n + 1) {
            break;
        }
    }
}
//没有足够空间来存放该文件
if (k <= n) {
    return false;
}
//cout << "索引块：" << index <<endl;
///////////////////////////////////////////////////////////////
//  
//  若有足够的空白块来存放该文件，则将索引块存放在第一个空白块上
//
///////////////////////////////////////////////////////////////

//更新文件分配表
Fat fat;
fat.fileName = file.name;
fat.indexBlock = index;
FAT.push_back(fat);

//更新位表
bitTable[index] = 1;
i = index + 1;//从索引块的下一个位置继续寻找空白块
k = 0;//记录每段分区的长度
int t = 0;
//根据位表找到存放的位置，更新索引块，更新位表
for (int j = 0; j < n; j++) {

    if (bitTable[i] == 0) {
        if (k == 0) {//这是一个新的分区，记录下起始块
            disk[index][t++] = i;
        }
        k++;
        bitTable[i] = 1;//更新位表
    }
    else{
        if (k != 0) {//如果 k!=0 说明，该分区结束，记录下长度
            disk[index][t++] = k;
            //cout << "\t起始块：" << disk[index][t - 2] << "\t长度: " << disk[index][t - 1] << endl;
            disk[index][t] = -1;//设置一个标志
            k = 0;
        }
        j--;
    }
    i++;
}
disk[index][t++] = k;
disk[index][t] = -1;
//cout << "\t起始块：" << disk[index][t - 2] << "\t长度: " << disk[index][t - 1] << endl << endl;
return true;

}

int indexBlockOfFile(vector FAT, string fileName)
{
for (int i = 0; i < FAT.size(); i++) {
if (FAT[i].fileName == fileName) {
return FAT[i].indexBlock;
}
}
return -1;//返回 -1 说明没有找到
}

/*
删除文件更新位表
*/
bool deleteFile(int bitTable[], vector &FAT, string fileName, int disk[][LEN])
{
//从文件分配表中找到索引块
for (int i = 0; i < FAT.size(); i++) {
if (FAT[i].fileName == fileName) {
int index = FAT[i].indexBlock;
int t = 0;
while (disk[index][t] != -1) {
int begin = disk[index][t];
int len = disk[index][t + 1];
for (int j = 0; j < len; j++) {
bitTable[begin + j] = 0;
}
t += 2;
}
bitTable[index] = 0;
vector::iterator itr = FAT.begin()+i;
FAT.erase(itr);
return true;
}
}
return false;
}

/*
输出索引块和存储的位置
*/
void outputIndexBlock(int disk[][LEN], vector FAT, File file)
{
string fileName = file.name;
int size = file.size;
cout << fileName << "\t大小：" << size << "k" << endl;
for (int i = 0; i < FAT.size(); i++) {
if (FAT[i].fileName == fileName) {
int index = FAT[i].indexBlock;
cout << "索引块：" << index << endl;
int t = 0;
while (disk[index][t] != -1) {
int begin = disk[index][t];
int len = disk[index][t + 1];
cout << "\t起始块：" << begin << "\t长度：" << len << endl;
t += 2;
}
break;
}
}
}

/*
打印空白块
*/
void outputFreeBlock(int bitTable[])
{
cout << "空闲块" << endl;
for (int i = 0; i < LEN; i++) {
if (bitTable[i] == 0) {
cout << i << "\t";
}
}
cout << endl;
}
int main()
{
int bitTable[LEN] = { 0 };//位表
int disk[LEN][LEN] = { -1 };//磁盘
vector FAT; //文件分配表

//随机生成2k-10k的文件50个,并将其存储到磁盘中
File file[50];
string fileName;
float fileSize;
for (int i = 0; i < 50; i++) {
    fileName = to_string(i+1)+ ".txt"; //文件名
    fileSize = randFileSize(); //随机产生文件大小
    file[i].name = fileName;
    file[i].size = fileSize;
    //cout << fileName << " " << fileSize << "\t";
    //存储该文件   
    if (storageFile(bitTable, FAT, file[i], disk)) {
        //cout << "成功创建文件：" << file[i].name << "   大小：" << file[i].size << "k" << endl;
        outputIndexBlock(disk, FAT, file[i]); cout << endl;
    }
}

//outputFreeBlock(bitTable);

cout << "\n-------------------" << endl;
//删除 奇数.txt
for (int i = 1; i < 50; i += 2) {
    string fileName = to_string(i) + ".txt";
    if(!deleteFile(bitTable, FAT, fileName, disk))break;
    cout << "成功删除文件：" << fileName << endl;
}

cout << "\n-------------------" << endl;
//outputFreeBlock(bitTable);
//新创建 5 个文件
File fileA, fileB, fileC, fileD, fileE;
fileA.name = "A.txt";   fileA.size = 7;
fileB.name = "B.txt";   fileB.size = 5;
fileC.name = "C.txt";   fileC.size = 2;
fileD.name = "D.txt";   fileD.size = 9;
fileE.name = "E.txt";   fileE.size = 3.5;
/*
storageFile(bitTable, FAT, fileA, disk);
storageFile(bitTable, FAT, fileB, disk);
storageFile(bitTable, FAT, fileC, disk);
storageFile(bitTable, FAT, fileD, disk);
storageFile(bitTable, FAT, fileE, disk);
*/
if (storageFile(bitTable, FAT, fileA, disk)) {
    cout << "成功创建文件：" << fileA.name << "   大小：" << fileA.size << "k" << endl;
}
if (storageFile(bitTable, FAT, fileB, disk)) {
    cout << "成功创建文件：" << fileB.name << "   大小：" << fileB.size << "k" << endl;
}
if (storageFile(bitTable, FAT, fileC, disk)) {
    cout << "成功创建文件：" << fileC.name << "   大小：" << fileC.size << "k" << endl;
}
if (storageFile(bitTable, FAT, fileD, disk)) {
    cout << "成功创建文件：" << fileD.name << "   大小：" << fileD.size << "k" << endl;
}
if (storageFile(bitTable, FAT, fileE, disk)) {
    cout << "成功创建文件：" << fileE.name << "   大小：" << fileE.size << "k" << endl;
}

cout << "\n-------------------" << endl;
//给出这 5 个文件的文件分配表
cout << "文件分配表中:" << endl;
/*
cout << fileA.name << " 的索引块为: " << indexBlockOfFile(FAT, fileA.name) << endl;
cout << fileB.name << " 的索引块为: " << indexBlockOfFile(FAT, fileB.name) << endl;
cout << fileC.name << " 的索引块为: " << indexBlockOfFile(FAT, fileC.name) << endl;
cout << fileD.name << " 的索引块为: " << indexBlockOfFile(FAT, fileD.name) << endl;
cout << fileE.name << " 的索引块为: " << indexBlockOfFile(FAT, fileE.name) << endl;
*/
outputIndexBlock(disk, FAT, fileA); cout << endl;
outputIndexBlock(disk, FAT, fileB); cout << endl;
outputIndexBlock(disk, FAT, fileC); cout << endl;
outputIndexBlock(disk, FAT, fileD); cout << endl;
outputIndexBlock(disk, FAT, fileE);

cout << "\n-------------------" << endl;
//输出空闲块
outputFreeBlock(bitTable);

system("pause");
return 0;

}

Answer 1

string fileName = to_string(i) + ".txt";
->
string tmp = to_string((int)i);
string fileName = tmp + ".txt";
这样写看看