Fixing the intcode compiler thing

2019/Day2/Part1.cs

@@ -24,40 +24,50 @@ namespace Part1 {
 		}
 
 		public dynamic runopcode( int[] array, int i, vars.intcode opcode ) {
-			int writepos; 
+			int[] output = array;					// CREATE NEW INSTANCE 
+			int writepos = output[i+3];
+			int mod1 = output[ output[i+1] ];
+			int mod2 = output[ output[i+2] ];
 
-			if( opcode == vars.intcode.ADD ) {
+			if( writepos >= output.Length ) {
+				Console.WriteLine( "[Warning] Tried to write at non-existent address ({0}/{1})", writepos, output.Length );
+				writepos = output.Length - 1; // just write it at the end of the program
+			}
 
-				int sum = array[array[i+1]] + array[array[i+2]]; // get the two values
-				writepos = Math.Clamp( array[i+3], 0, array.Length - 1 ); // get the write pos
-				Debug( "ADD (" + i.ToString() + "/" + array.Length.ToString() + ") " + "Sum=" + sum.ToString() + " at i=" + writepos.ToString() );
+			Console.WriteLine( "Mod1: {0}, Mod2: {1}, Writepos: {2}, mod1loc: {3}, mod2loc: {4}", mod1, mod2, writepos, output[i+1], output[i+2] );
+
+			if( opcode == vars.intcode.ADD ) {
 
-				array[writepos] = sum; // write the value
+				Debug( "ADD (" + i.ToString() + "/" + output.Length.ToString() + ") " + "Sum=" + (mod1 + mod2).ToString() + " at i=" + writepos.ToString() );
+				output[writepos] = mod1 + mod2; // write the value
 				
 			} else if( opcode == vars.intcode.MULT ) {
-				
-				int product = array[array[i+1]] * array[array[i+2]]; // get the product
-				writepos = Math.Clamp( array[i+3], 0, array.Length - 1 );
-				Debug( "MULT (" + i.ToString() + "/" + array.Length.ToString() + ") " + "Product=" + product.ToString() + " at i=" + writepos.ToString() );
 
-				array[writepos] = product; // write the value
+				Debug( "MULT (" + i.ToString() + "/" + output.Length.ToString() + ") " + "Product=" + (mod1 * mod2).ToString() + " at i=" + writepos.ToString() );
+				output[writepos] = mod1 * mod2; // write the value
 
 			} else if ( opcode == vars.intcode.STOP ) {
-				Debug( "STOP (" + i.ToString() + "/" + array.Length.ToString() + ")" );
+				Debug( "STOP (" + i.ToString() + "/" + output.Length.ToString() + ")" );
 			}
 
-			return array;
+			return output;
 		}
 
 		public int[] intcode( int[] input ) {
 			int[] output = input; // make an instanse of the input where we can change stuff
-			Debug( "\n----Running Intcode----" );
+
+			Console.Write( "\nRunning: " );
+			for( int c = 0; c < input.Length; c++ ){ Console.Write( input[c].ToString() + "," ); }
+
+			Debug( "\n----DEBUG----" );
 			for( int i = 0; i < output.Length; i+= NEXT ) {	
-				vars.intcode opcode = getOpcode(input[i]);
-				output = runopcode( output, i, opcode );
+				if( i+3 < output.Length ) {
+					vars.intcode opcode = getOpcode(input[i]);
+					output = runopcode( output, i, opcode );
+				}
 				if( (int)output[i] == 99 ) { break; }
 			}
-			Debug( "----Intcode finished----\n" );
+			Debug( "----END-OF-DEBUG----\n" );
 			return output;
 		}
 	}

2019/Day2/Part2.cs

@@ -4,29 +4,28 @@ namespace Part2 {
 	public class calcInputs {
 		public void bruteforce( int[] input, int find ) {
 			int noun, verb;
-			int[] input_c = input; // keep a version of the original
-			int[] output = new int[input_c.Length];
+			int[] input_c; // keep a version of the original
+			int[] output = new int[input.Length];
 
 			bool success = false;
 
 			int min = 0;	// min and max for the input values
-			int max = 99;	//
+			int max = 6;	//
 
 			Part1.compile compile = new Part1.compile();
 
 			for( int i = 0; i < max + 1; i++ ) {
-				input = input_c; // reset the intcode
+				input_c = input; // reset the intcode
 
 				noun = Math.Clamp( i, min, max );
 				verb = Math.Clamp( i, min, max );
 
-				input[1] = noun;
-				input[2] = verb;
+				input_c[1] = noun;
+				input_c[2] = verb;
 
-				Console.WriteLine( "Checking: {0}, {1} for {2}", noun, verb, find );
-				output = compile.intcode( input );
+				output = compile.intcode( input_c );
 
-				Console.WriteLine( input[0] );
+				Console.WriteLine( input_c[0] );
 				if( output[0] == find ) {
 					Console.WriteLine( "({0}) Found: {1}, {2}", find, noun, verb );
 					success = true;

2019/Day2/Program.cs

@@ -13,29 +13,34 @@ namespace Day2 {
 
 			Part1.compile compile = new Part1.compile();
 
-			//// Part 1 stuff ////
-			intcodes[1] = 12;
-			intcodes[2] = 2;
-
-			output = compile.intcode( intcodes ); // run the intcode program
-
-			Console.WriteLine("\n--Intcode result--");
-			for( int i = 0; i < output.Length; i++ ) {
-				if( i != output.Length - 1 ) {
-					Console.Write( output[i].ToString() + "," );
-				} else {
-					Console.Write( output[i].ToString() + "\n" );
-				}
-			}
-			Console.WriteLine( "--End of Intcode result--\n" );
+			// //// Part 1 stuff ////
+			// intcodes[1] = 12;
+			// intcodes[2] = 2;
+
+			// output = compile.intcode( intcodes ); // run the intcode program
 
-			Console.WriteLine( "Part 1 result: " + output[0].ToString() ); // get the pos 0
+			// Console.WriteLine("\n--Intcode result--");
+			// for( int i = 0; i < output.Length; i++ ) {
+			// 	if( i != output.Length - 1 ) {
+			// 		Console.Write( output[i].ToString() + "," );
+			// 	} else {
+			// 		Console.Write( output[i].ToString() + "\n" );
+			// 	}
+			// }
+			// Console.WriteLine( "--End of Intcode result--\n" );
+
+			// Console.WriteLine( "Part 1 result: " + output[0].ToString() ); // get the pos 0
 
 
 
 			//// Part 2 stuff ////
 			Part2.calcInputs calcInputs = new Part2.calcInputs();
-			calcInputs.bruteforce( intcodes, 9801 );
+			int[] intcodes2 = intcodes; // make a new instance of it
+			for( int c = 0; c < intcodes2.Length; c++ ){
+				Console.Write( intcodes2[c].ToString() + "," );
+			}
+			Console.WriteLine("");
+			calcInputs.bruteforce( intcodes2, 16 );
 		}
 	}
 }

2019/Day2/input.txt

@@ -1 +1 @@
-2,0,0,0,99,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+2,7,8,0,99,4,4,2,1