Data commit

Task/Create-a-two-dimensional-array-at-runtime/Objective-C/create-a-two-dimensional-array-at-runtime.m

@@ -0,0 +1,26 @@
+#import <Foundation/Foundation.h>
+
+int main()
+{
+  @autoreleasepool {
+    int num1, num2;
+    scanf("%d %d", &num1, &num2);
+
+    NSLog(@"%d %d", num1, num2);
+
+    NSMutableArray *arr = [NSMutableArray arrayWithCapacity: (num1*num2)];
+    // initialize it with 0s
+    for(int i=0; i < (num1*num2); i++) [arr addObject: @0];
+
+    // replace 0s with something more interesting
+    for(int i=0; i < num1; i++) {
+      for(int j=0; j < num2; j++) {
+        arr[i*num2+j] = @(i*j);
+      }
+    }
+
+    // access a value: i*num2+j, where i,j are the indexes for the bidimensional array
+    NSLog(@"%@", arr[1*num2+3]);
+  }
+  return 0;
+}