chore: Lab08

lab08/03.cpp

@@ -0,0 +1,128 @@
+#include <iostream>
+#include <string>
+#include <vector>
+using namespace std;
+
+class Piece {
+public:
+	int a, b, c, d;
+	Piece(int _a, int _b, int _c, int _d) {
+		a = _a;
+		b = _b;
+		c = _c;
+		d = _d;
+	}
+	void rot() {
+		int tmp = a;
+		a = b;
+		b = d;
+		d = c;
+		c = tmp;
+	}
+};
+
+void print(vector< vector<Piece> >* v);
+
+void resolve(vector< vector<Piece> >* v, int n, int a = 0, int b = 0) {
+	if(a >= n || b >= n) {
+		// solution found
+		cout<<"------------------------------------------------------------------------------------\n\n\n";
+		print(v);
+		return;
+	}
+
+	for(int i=0; i<4; i++) {
+		v->at(a)[b].rot();
+
+		// check if fits
+		if(a > 0) {
+			if(v->at(a)[b].a != v->at(a-1)[b].d) {
+				// doesn't fit to the part on its top
+				continue;
+			}
+		}
+		if(b > 0) {
+			if(v->at(a)[b].b != v->at(a)[b-1].c) {
+				// doesn't fit to the part on its left
+				continue;
+			}
+		}
+
+		resolve(v, n, b == n-1 ? a+1 : a, b == n-1 ? 0 : b+1);
+	}
+}
+
+int main(){
+	cout<<"N = ";
+	int n;
+	cin>>n;
+
+	vector< vector<Piece> > v;
+	cout<<"Form:\n";
+	cout<<"+---------+\n";
+	cout<<"|\\       /|\n";
+	cout<<"| \\  A  / |\n";
+	cout<<"|  \\   /  |\n";
+	cout<<"| B |X| C |\n";
+	cout<<"|  /   \\  |\n";
+	cout<<"| /  D  \\ |\n";
+	cout<<"|/       \\|\n";
+	cout<<"+---------+\n";
+
+	for(int i=0; i<n; i++) {
+		vector<Piece> row;
+		for(int j=0; j<n; j++) {
+			int a, b, c, d;
+			cout<<"A = ";
+			cin>>a;
+			cout<<"B = ";
+			cin>>b;
+			cout<<"C = ";
+			cin>>c;
+			cout<<"D = ";
+			cin>>d;
+			row.push_back(Piece(a, b, c, d));
+		}
+		v.push_back(row);
+	}
+
+	cout<<"Initial set:\n";
+	print(&v);
+
+	cout<<"Solutions:\n";
+	resolve(&v, n);
+
+	return 0;
+}
+
+
+
+void print_pattern(string pattern, int cnt) {
+	for(int i=0; i<cnt; i++) {
+		cout<<pattern<<"   ";
+	}
+	cout<<"\n";
+}
+void print(vector< vector<Piece> >* v) {
+	for(vector< vector<Piece> >::iterator row = v->begin(); row < v->end(); row++) {
+		print_pattern("+---------+", row->size());
+		print_pattern("|\\       /|", row->size());
+		for(int i=0; i<row->size(); i++) {
+			cout<<"| \\  "<<row->at(i).a<<"  / |   ";
+		}
+		cout<<"\n";
+		print_pattern("|  \\   /  |", row->size());
+		for(int i=0; i<row->size(); i++) {
+			cout<<"| "<<row->at(i).b<<" |X| "<<row->at(i).c<<" |   ";
+		}
+		cout<<"\n";
+		print_pattern("|  /   \\  |", row->size());
+		for(int i=0; i<row->size(); i++) {
+			cout<<"| /  "<<row->at(i).d<<"  \\ |   ";
+		}
+		cout<<"\n";
+		print_pattern("|/       \\|", row->size());
+		print_pattern("+---------+", row->size());
+		cout<<"\n\n";
+	}
+}