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solutions/punched_cards/punched_cards.js

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+
+    // Punched Cards
+
+    // Individual Problem - Manuel Cota - Apprentice Batch 2022 D
+
+// The following code is here so that the program can correctly communicate
+// with the input and output format in the Google Code Jam platform.
+//----------------------------------------------------------------------
+'use strict';
+
+process.stdin.resume();
+process.stdin.setEncoding('utf-8');
+
+let inputString = '';
+let currentLine = 0;
+
+process.stdin.on('data', inputStdin => {
+    inputString += inputStdin;
+});
+
+process.stdin.on('end', _ => {
+    inputString = inputString.trim().split('\n').map(string => {
+        return string.trim();
+    });
+
+    main();
+});
+
+function readline() {
+    return inputString[currentLine++];
+}
+//----------------------------------------------------------------------
+
+
+// This function draws the card saving it in a variable "card".
+function punched_cards(R, C) {
+
+    // We initiate by creating the top row, which will always be there.
+    // The following code types the top edge depending on the # of columns.
+    let row = "..+";
+    for (let j = 0; j < (C-1); j++) {
+        row += "-+";
+    }
+    row += "\n";
+
+    let card = row;
+
+    // Now, we create each new row, starting with an exception for the first iteration.
+    // This is because the top left corner of the card is only dots.
+    row = "..|";
+    let row2 = "+-+";
+    for (let j = 0; j < R; j++) {
+        for (let k = 0; k < (C-1); k++) {
+            row += ".|";
+            row2 += "-+";
+        }
+        row += "\n";
+        row2 += "\n"
+        card += row + row2
+
+        // With this resets, all following iterations will only have "+-+", unlike the top left corner.
+        row = "|.|";
+        row2 = "+-+";
+    }
+
+    return card;
+}
+
+// This function receives the values for R and C in each iteration from all the T cases.
+// It uses those values to draw the punched card using the punched_cards function and then
+// gives it as output.
+function solve() {
+    // Declare variables R and C.
+    var R, C;
+    // Read the integers from the standard input.
+    [R, C] = readline().split(' ').map(x => parseInt(x));
+
+    // Obtains the card from the punched_cards function.
+    var card = punched_cards(R, C);
+
+    // Print the result onto the standard output.
+    process.stdout.write(card);
+  }
+
+
+function main() {
+    // Declare and read the number of test cases.
+    var T;
+    T = parseInt(readline());
+
+    // Loop over the number of test cases.
+    for (var test_no = 1; test_no <= T; test_no++) {
+      process.stdout.write('Case #' + test_no + ': \n');
+      solve();
+    }
+  }