mootoh

#
# exercise of backtracking algorithm.
# 2008.07.26
#
require 'pp'

# (x, y) のマスに置けるか
def test(x, y, board)
  x.times do |i|
    # 左

mootoh

#!/usr/bin/env ruby
#
# knapsack problem solution by DP
#
# from:
#   Cプログラマのためのアルゴリズムとデータ構造
#   ISBN:4797304952
#   pp. 349
#   
# author:

mootoh

#!/usr/bin/env ruby
#
# knapsack problem solution by backtracking.
#
# from:
#   Cプログラマのためのアルゴリズムとデータ構造
#   ISBN:4797304952
#   pp. 348
#   
# author:

mootoh

Github T-shirts をいっしょに買って送料を節約しませんか?
2-200枚なら送料が一律 $11 だそうですよ。

  http://rubyrags.com/products/10

東京近郊で渡せる方がよいです。
我もと思うかたは fork me.

mootoh

NSMutableArray *keys = [NSMutableArray arrayWithArray:[params allKeys]];
[keys sortUsingSelector:@selector(compare:)]; // compare: is a member of NSString.

mootoh

/*
 * hello world in Objective-C + Foundation framework.
 *
 * build:
 *   % cc -Wall -g -framework Foundation hello.m
 */

#import <Foundation/Foundation.h>

int main(int argc, char *argv[])

mootoh

/*
 * hello world in Objective-C + Foundation framework.
 *
 * build:
 *   % cc -Wall -g -framework Foundation hello.m
 */
 
#import <Foundation/Foundation.h>
 
int main(int argc, char *argv[])

mootoh

/*
 * compare [NSObject alloc] with malloc(sizeof(NSObject))
 *
 * build:
 *   cc -Wall -g -framework Foundation alloc_cost.m
 *
 * result:
 *   % ./a.out
 *     sizeof(NSObject)=4
 *     elapsed time of [NSObject alloc] = 0.235727

mootoh

syn keyword CocoaClass NSString NSArray NSSet NSDictionary NSNumber NSInteger NSDate
syn keyword UIKitClass UIView UITableView UITableViewCell UINavigationController UIViewController UIApplication UITableViewController UIColor UIToolbar UIBarButtonItem
syn keyword CGStruct CGRect CGFloat
syn keyword CGMethod CGRectMake


HiLink CocoaClass             objcType
HiLink UIKitClass             objcType
HiLink CGStruct               Type
HiLink CGMethod               Function

mootoh

int gcd(int i, int j, int n)
{
   while (i != j) {
      if (i > j)
         i -= j;
      else
         j -= i;
   }
   return i * n;
}