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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. #include <stdexcept>
  5. using namespace std;
  6.  
  7.  
  8. struct Asset {
  9.     string name;
  10.     string type;
  11.     int quantity;
  12.     float purchase_price;
  13.     float current_price;
  14.     float transaction_cost;
  15. };
  16. //ici on definit la fonction quinous permet de definir un autre actif
  17. void addAsset(vector<Asset>& portfolio) {
  18.     Asset new_asset;
  19.  
  20.     cout << " Add a New Asset: ";
  21.  
  22.     cout << "Name: ";
  23.     cin >> ws;
  24.     getline(cin, new_asset.name);  //ici on demande a l'utilisateur d'ajouter le nom du nouveau actif
  25.  
  26.     cout << "Type: ";
  27.     getline(cin, new_asset.type);
  28.  
  29.     cout << "Quantity: ";
  30.     cin >> new_asset.quantity;
  31.     while (new_asset.quantity <= 0) {
  32.         cout << "Invalid quantity . Enter again: ";
  33.         cin >> new_asset.quantity;
  34.     }
  35.  
  36.     cout << "Purchase price: ";
  37.     cin >> new_asset.purchase_price;
  38.     while (new_asset.purchase_price <= 0) {
  39.         cout << "Invalid purchase price. Enter again: ";
  40.         cin >> new_asset.purchase_price;
  41.     }
  42.  
  43.     cout << "Current price: ";
  44.     cin >> new_asset.current_price;
  45.     while (new_asset.current_price <= 0) {
  46.         cout << "Invalid current price (must be > 0). Enter again: ";
  47.         cin >> new_asset.current_price;
  48.     }
  49.  
  50.     cout << "Transaction cost: ";
  51.     cin >> new_asset.transaction_cost;
  52.     while (new_asset.transaction_cost < 0) {
  53.         cout << "Invalid transaction cost (must be >= 0). Enter again: ";
  54.         cin >> new_asset.transaction_cost;
  55.     }
  56.  
  57.  
  58.     portfolio.push_back(new_asset);
  59. }
  60. //ici on definit la fonction qui nous permet d'afficher notre porte feuille.
  61. void displayPortfolio( vector<Asset> portfolio) {
  62.     for (size_t i = 0; i < portfolio.size(); i++) {
  63.         cout << portfolio[i].name << "  " 
  64.              << portfolio[i].type << "  " 
  65.              << portfolio[i].quantity << "  " 
  66.              << portfolio[i].purchase_price << " " 
  67.              << portfolio[i].current_price << endl;
  68.     }
  69. }
  70. //ici on definit une fonction qui permet de rechercher le nom d'un actif dans notre portefeuille
  71. int searchAssetByName(vector<Asset> portfolio, string search_name) {
  72.     for (size_t i = 0; i < portfolio.size(); ++i) {
  73.         if (portfolio[i].name.compare(search_name) == 0) {
  74.             return i;//si on trouve un nom d'actif qui correspond a search_name
  75.             //on recupere la position de cet actif
  76.         }
  77.     }
  78.     //si aucun actif a le nom search_name, on affiche un message d'erreur.  
  79.     throw runtime_error("Error the requested asset does not exist in the portfolio!");
  80. }
  81. //ici on va creer une fonction pour mettre a jour lactif donc le nom est asset_name
  82. void updateAsset(vector<Asset> portfolio, string asset_name) {
  83.     int index = searchAssetByName(portfolio, asset_name);
  84.  
  85.     displayPortfolio(portfolio[index]);
  86.     //nous voulons apresent modifier l'actif index denotre porte feuille
  87.       cout << "enter the new name: ";
  88.     cin >> ws;
  89.     getline(cin, portfolio[index].name);  //ici on demande a l'utilisateur d'ajouter le nom de modifier de l'actif
  90.  
  91.     cout << "enter the new type: ";
  92.     getline(cin, portfolio[index].type);
  93.     cout << "enter the new quantity: ";
  94.     cin >> portfolio[index].quantity;
  95.     while (portfolio[index].quantity <= 0) {
  96.         cout << "Error,the quantity must be positive. Try again: ";
  97.         cin >> portfolio[index].quantity;
  98.     }
  99.  
  100.     cout << "enter the new purchase price: ";
  101.     cin >> portfolio[index].purchase_price;
  102.     while (portfolio[index].purchase_price <= 0) {
  103.         cout << "Error the purchase price must be positive. Try again: ";
  104.         cin >> portfolio[index].purchase_price;
  105.     }
  106.  
  107.     cout << "enter the new current price: ";
  108.     cin >> portfolio[index].current_price;
  109.     while (portfolio[index].current_price <= 0) {
  110.         cout << "Error the Current price must be positive. Try again: ";
  111.         cin >> portfolio[index].current_price;
  112.     }
  113.  
  114.     cout << "enter the new transaction cost: ";
  115.     cin >> portfolio[index].transaction_cost;
  116.     while (portfolio[index].transaction_cost < 0) {
  117.         cout << "Error the transaction cost cannot be negative. Try again: ";
  118.         cin >> portfolio[index].transaction_cost;
  119.     }
  120.  
  121.     cout << " the madified asset is given by:" << endl;
  122.     displayPortfolio(portfolio[index])
  123. }
  124. int main() {
  125.     // Initialisation du portefeuille avec les 5 positions
  126.     vector<Asset> portfolio = {
  127.         {"ABC Corp",   "Stock", 100,  25.50,  28.20,  15.00},
  128.         {"XYZ Bank",   "Stock", 150,  18.75,  17.90,  25.00},
  129.         {"CAM Bond",   "Bond",  200,  98.50, 101.20,  28.00},
  130.         {"QF ETF",     "ETF",    80,  42.00,  46.50,  45.00},
  131.         {"NXT Energy", "Stock",  60,  55.00,  44.25,  16.00}
  132.     };
  133.  
  134.  
  135.  
  136.  
  137.     return 0;
  138. }
Compilation error #stdin compilation error #stdout 0s 5324KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘void updateAsset(std::vector<Asset>, std::__cxx11::string)’:
prog.cpp:85:38: error: could not convert ‘portfolio.std::vector<Asset>::operator[](((std::vector<Asset>::size_type)index))’ from ‘__gnu_cxx::__alloc_traits<std::allocator<Asset>, Asset>::value_type’ {aka ‘Asset’} to ‘std::vector<Asset>’
     displayPortfolio(portfolio[index]);
                                      ^
prog.cpp:122:38: error: could not convert ‘portfolio.std::vector<Asset>::operator[](((std::vector<Asset>::size_type)index))’ from ‘__gnu_cxx::__alloc_traits<std::allocator<Asset>, Asset>::value_type’ {aka ‘Asset’} to ‘std::vector<Asset>’
     displayPortfolio(portfolio[index])
                                      ^
stdout
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Standard output is empty
https://ideone.com/MZGaxG
language:
C++ (gcc 8.3)
created:
6 minutes ago
visibility:
public

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