Read elements and size of map from file

input.txt

+5
+1 2
+3 4 5
+2 5 4
+5 3
+3 1 2
+4 1 2
+1 3 5
+1 4 5
+3 2 4

program.cxx

 #include <list>
 #include "processor.hxx"
 #include "matrix.hxx"
+#include <iostream>
+#include <fstream>
+#include <sstream>
 
-int main()
+int main(int argc, char** argv)
 {
-    Matrix matrix{5}; 
+    if(argc < 2)
+    {
+        std::cerr << "Too few arguments. Expected file path." << std::endl;
+        return -1;
+    }
+
+    std::string path{argv[1]};
+
+    std::ifstream input{path};
+    std::string line;
+    getline(input, line); // size of matrix
+    size_t nMatrixSize = std::stoi(line);
+
+    Matrix matrix{nMatrixSize}; 
     std::list<Element> els;
-    els.push_back(Element{ {1, 2} });
-    els.push_back(Element{ {3, 4, 5} });
-    els.push_back(Element{ {2, 5, 4} });
-    els.push_back(Element{ {5, 3} });
-    els.push_back(Element{ {3, 1, 2} });
-    els.push_back(Element{ {4, 1, 2} });
-    els.push_back(Element{ {1, 3, 5} });
-    els.push_back(Element{ {1, 4, 5} });
-    els.push_back(Element{ {3, 2, 4} });
+    
+    while( getline( input, line ) )
+    {
+        std::istringstream iss(line);
+        std::string word;
+        std::vector<Symbol> symbols;
+        while(std::getline(iss, word, ' '))
+        {
+            symbols.push_back(std::stoi(word));
+        }
+        els.push_back(Element{symbols});
+    }
 
     Processor proci{matrix};
     proci.process(els);
 
-    
-
     return 0;
 }

result.txt

+
+Alakzatok
+=========
+
+1: háromszög
+2: négyzet
+3: kör
+4: szív
+5: hold
+
+
+Megoldás
+========
+
+      _______
+5| 4| 3  1  2
+ |  |    ____
+4| 1| 2| 5  3
+ |  |  | 
+3| 2| 1| 4| 5| 
+_______   |  |
+1  3  5  2| 4|
+_______   |  |
+2  5  4  3| 1| 
+
+
+Elemek (bal fölső sarokból kiindulva)
+======
+ 
+5, 4, 3 
+4, 1, 2, 
+3, 1, 2, 
+2, 1,
+5, 3, 
+4, 2, 3 
+5, 4, 1, 
+1, 3, 5, 
+2, 5, 4, 
+
+