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March 2014 update

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Ingy döt Net 2014-04-02 16:56:35 +00:00
parent 09687c4926
commit a25938f123
1846 changed files with 21876 additions and 5203 deletions
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32
Task/Create-a-two-dimensional-array-at-runtime/Objective-C/create-a-two-dimensional-array-at-runtime.m
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@ -2,27 +2,25 @@
int main()
{
int num1, num2, i, j;
NSMutableArray *arr;
@autoreleasepool {
int num1, num2;
scanf("%d %d", &num1, &num2);
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
scanf("%d %d", &num1, &num2);
NSLog(@"%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];
arr = [NSMutableArray arrayWithCapacity: (num1*num2)];
// initialize it with 0s
for(i=0; i < (num1*num2); i++) [arr addObject: [NSNumber numberWithInt: 0]];
// replace 0s with something more interesting
for(i=0; i < num1; i++) {
for(j=0; j < num2; j++) {
[arr replaceObjectAtIndex: (i*num2+j) withObject: [NSNumber numberWithInt: (i*j)]];
// 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 objectAtIndex: (1*num2+3)]);
[pool release];
// access a value: i*num2+j, where i,j are the indexes for the bidimensional array
NSLog(@"%@", arr[1*num2+3]);
}
return 0;
}