搬运货物练习

Objective-c

//  Person.h
//  setter和getter
//
//  Created by Aaron on 15/5/18.
//  Copyright (c) 2015年 Aaron. All rights reserved.
//
#import <Foundation/Foundation.h>
/*
 4.有一个人,最大承重100KG,现在有2T货物,问最少要搬多少次?
*/
@interface Person : NSObject
{
    int _maxWeight;
}
-(void)setMaxWeight:(int)weight;
-(int)timesForCarry:(int)weight;
@end

//  Person.m
//  setter和getter
//
//  Created by Aaron on 15/5/18.
//  Copyright (c) 2015年 Aaron. All rights reserved.
//
#import "Person.h"
@implementation Person
-(void)setMaxWeight:(int)weight
{
    if(_maxWeight != weight)
    {
        _maxWeight = weight;
    }
}
-(int)timesForCarry:(int)weight
{
    if(weight%_maxWeight == 0)
    {
        return weight/_maxWeight;
    }
    else
    {
        return weight/_maxWeight+1;
    }
}
@end

//  main.m
//  搬货物练习
//
//  Created by Aaron on 15/5/18.
//  Copyright (c) 2015年 Aaron. All rights reserved.
//
#import <Foundation/Foundation.h>
#import "Person.h"
int main(int argc, const char * argv[])
{
    @autoreleasepool {
        Person *p = [Person alloc];
        [p setMaxWeight:100];
        NSLog(@"需要%d次",
              [p timesForCarry:2001]);
    }
    return 0;
}