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2016: Chocolate Eating

2016: [Usaco2010]Chocolate Eating Time Limit: 10 Sec  Memory Limit: 162 MB Submit: 224  Solved: 87 [

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1609: Eating Together麻烦的聚餐

1609: [Usaco2008 Feb]Eating Together麻烦的聚餐 Time Limit: 10 Sec  Memory Limit: 64 MB Submit: 1010  Solved

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    hdu------(4302)Holedox Eating(树状数组+二分)

    Holedox Eating Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total

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    C++ 中为什么需要虚函数

    先来看两个类, class Animal { public: void eat() { std::cout << "I'm eating generic food. generic food." cat->eat(); // Outputs: "I'm eating a rat." generic food." func(cat); // Outputs: "I'm eating generic food." class Animal { public: virtual void eat() { std::cout << "I'm eating generic food. "; } }; func(animal); // Outputs: "I'm eating generic food." func(cat); // Outputs: "I'm eating a

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    操作系统核心原理-4.线程原理(下):死锁基础原理

    Philosopher:2 IS EATING. Philosopher:1 IS EATING. Philosopher:4 IS EATING. Philosopher:5 IS EATING. Philosopher:2 IS EATING. Philosopher:4 IS EATING. Philosopher:5 IS EATING. Philosopher:3 IS EATING. Philosopher:5 IS EATING. Philosopher:4 IS EATING. Philosopher:2 IS EATING. Philosopher:2 IS EATING. Philosopher:5 IS EATING. Philosopher:4 IS EATING. Philosopher:3 IS EATING. Philosopher:4 IS EATING. Philosopher:2 IS EATING. Philosopher:5 IS EATING.

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    Python27 反射

    ): def __init__(self,name): self.name = name def eat(self): print ('%s is eating ): def __init__(self,name): self.name = name def eat(self): print ('%s is eating ): def __init__(self,name): self.name = name def eat(self): print ('%s is eating init__(self,name): self.name = name def eat(self,food): #设置food参数 print ('%s is eating def __init__(self,name): self.name = name def eat(self,food): print ('%s is eating

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    面向对象编程进阶

    __init__(self,name): 3 self.name = name 4 5 def eat(self,food): 6 print("%s is eating 8 d =Dog("小A") 9 d.eat("包子") 运行结果如下: 1 D:\python35\python.exe D:/python培训/s14/day7/静态方法1.py 2 小A is eating self.name = name 5 @staticmethod 6 def eat(self,food): 7 print("%s is eating 10 d = Dog("小A") 11 d.eat() 运行结果如下: 1 D:\python35\python.exe D:/python培训/s14/day7/静态方法.py 2 小A is eating None 3 set to food: 包子 4 dean is eating 包子 5 删完了 6 7 Process finished with exit code 0 4、 类的特殊成员方法

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    linux网络编程之System V 信号量(二):用信号量实现进程互斥示例和解决哲学家就餐问题

    sleep(DELAY);         printf("%d is hungry\n", no);         wait_for_2fork(no);         printf("%d is eating 0 is hungry 3 is hungry 1 is hungry 1 is eating 2 is hungry 3 is eating 4 is thinking 1 is thinking 0 is eating 4 is hungry 0 is thinking 1 is hungry 1 is eating 3 is thinking 4 is eating 0 is hungry 1 is thinking 2 is eating 0 is eating 4 is thinking 2 is thinking 1 is hungry 3 is hungry 3 is eating 0 is thinking 2 is hungry 1 is eating 4 is hungry ................

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    python 面向对象之静态方法

    def __init__(self, name):         self.name = name     def eat(self,food): #吃东西         print("%s is eating  %s" % (self.name,food)) d = Dog("二哈") d.eat('包子') 执行输出: 二哈 is eating 包子 将eat方法变成静态方法: class Dog(object self.name = name     @staticmethod  # 把eat方法变为静态方法     def eat(self,food): #吃东西         print("%s is eating         self.name = name     @staticmethod  # 把eat方法变为静态方法     def eat(): #吃东西         print("%s is eating " % ('二哈')) d = Dog("二哈") d.eat() 执行输出: 二哈 is eating 如果一定要self呢?

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    适合具备 C 语言基础的 C++ 入门教程(七)

    上述中有人类,有英国人,有中国人,那么我们定义一个Human类,然后 EnglishMan和Chinese都继承自Human,代码如下所示: class Human { public: void eating (void) {cout << "use hand to eat" << endl;} }; class EnglishMan : public Human { public: void eating (void) {cout << "use knife to eat" << endl;} }; class Chinese : public Human { public: void eatingeating方法变成了虚函数,那么EnglishMan类和chinese类的eating方法也变成了虚函数。 在上述的代码中,Human类引入虚函数,将代码更改如下所示: class Human { private: int a; public: virtual void eating(void

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    Python26 面向对象进阶

    def __init__(self,name): self.name = name def eat(self,food): print ('%s is eating %s' %(self.name,food)) d = Dog('XiaoBai') d.eat('包子') 执行结果: XiaoBai is eating 包子 class Dog(object) self,name): self.name = name @staticmethod def eat(self,food): print ('%s is eating def eat(self): print ('%s is eating %s' %(self.name,'abc')) #被静态方法以后就不能再调用类的self.name了 d File "E:/Python/Day7/属性方法.py", line 13, in eat print ('%s is eating %s' %(self.name,self.

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    LeetCode MySQL 1355. 活动参与者(any函数)

    | Eating | | 2 | Jade W. | Singing | | 3 | Victor J. | Eating | | 5 | Daniel A. | Eating | | 6 | Bob B. --+ Activities 表: +------+--------------+ | id | name | +------+--------------+ | 1 | Eating -+ Result 表: +--------------+ | activity | +--------------+ | Singing | +--------------+ Eating

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    面向对象设计的设计模式(十六):状态模式

    change state from eating to coding"); [_coder setState:(State *)[_coder stateCoding]]; } - (void )startEating{ NSLog(@"Already eating, can not change state to eating again"); } - (void)fallAsleep { NSLog(@"Too tired, change state from eating to sleeping"); [_coder setState:(State *)[_coder [coder startEating];//Change state from awake to eating //change to coding [coder startCoding];//New change state from eating to coding //change to sleep [coder fallAsleep];//Too tired, change state from

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    适合具备 C 语言基础的 C++ 教程(九)

    Human类里使用到了纯虚函数的概念,类实现的代码如下所示: class Human { private: int a; public: /*纯虚函数*/ virtual void eating void) = 0; virtual void driving(void) = 0; }; class Englishman : public Human { public: void eating driving(void) {cout<<"drive english car"<<endl; } }; class Chinese : public Human { public: void eating 在这里的Chinese类中,它只涉及到类成员函数的一个声明,并没有成员函数的实现,我们继续来看Chinese.cpp的类实现: #include "Chinese.h" void Chinese::eating 最后,我们来测试一下,我们使用动态链接库所带来的优点,比如,我现在更改了Chinese.cpp的eating函数,代码如下: void Chinese::eating(void) { cout

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    python 面向对象之类的继承

    name,age):         self.name = name         self.age = age     def eat(self):         print("%s is eating name,age):         self.name = name         self.age = age     def eat(self):         print("%s is eating print("%s is go_to_work..." % self.name) m1 = Man("Alin",21) m1.eat() m1.go_to_work() 执行输出: Alin is eating m1 = Man("Alin",21) m1.eat() m1.sleep() 执行输出: Alin is eating... Man is sleeping... m1 = Man("Alin",21) m1.eat() m1.sleep() 执行输出: Alin is eating... Alin is sleeping...

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    适合具备 C 语言基础的 C++ 入门教程(九)

    Human类里使用到了纯虚函数的概念,类实现的代码如下所示: class Human { private: int a; public: /*纯虚函数*/ virtual void eating (void) = 0; virtual void driving(void) = 0; }; class Englishman : public Human { public: void eating driving(void) {cout<<"drive english car"<<endl; } }; class Chinese : public Human { public: void eating Human类沿用的是上述的写法,代码不变,如果我们将上述的 Chinese类进行更改,更改后的代码如下所示: class Chinese : public Human { public: void eating 最后,我们来测试一下,我们使用动态链接库所带来的优点,比如,我现在更改了Chinese.cpp的eating函数,代码如下: void Chinese::eating(void) { cout<<

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    python 面向对象之类方法

    self.name = name     @classmethod  # 把eat方法变为类方法     def eat(self): # 吃东西         print("%s is eating         self.name = name     @classmethod  # 把eat方法变为类方法     def eat(self): # 吃东西         print("%s is eating " % (self.n)) d = Dog("二哈") d.eat() 执行输出: kk is eating 引用类变量,发现没有报错。         self.n = 'kk' #实例变量     @classmethod  # 把eat方法变为类方法     def eat(self): # 吃东西         print("%s is eating

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    每日两题 T10

    . // I am eating lunch LazyMan('Tony').eat('lunch').sleep(10).eat('dinner'); // Hi I am Tony // I am eating lunch // 等待了10秒... // I am eating diner LazyMan('Tony').eat('lunch').eat('dinner').sleepFirst (5).sleep(10).eat('junk food'); // Hi I am Tony // 等待了5秒... // I am eating lunch // I am eating dinner // 等待了10秒... // I am eating junk food 分析 这是一个很典型的职责链调用问题,我们使用过 jQuery 应该不会陌生链式调用,但是我们发现现在功能中添加了异步操作, this.queue.push(fn) return this } eat(food) { const fn = () => { console.log(`I am eating

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    【CodeForces 589F】Gourmet and Banquet(二分+贪心或网络流)

    For example, if ai = 10 and bi = 11, then the i-th dish is available for eating during one second. dishes come in very large quantities, so it is guaranteed that as long as the dish is available for eating During eating the gourmet can instantly switch between the dishes. It is allowed to return to a dish after eating any other dishes. It is allowed to return to a dish after eating any other dishes.

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    浅析 JavaScript 中的方法链

    return this }, eat() { this.state = 'Eating.' person.logState() return person }, eat: () => { person.state = 'Eating.' person.logState() return person }, eat: () => { person.state = 'Eating.' person.logState() return person }, eat: () => { person.state = 'Eating.' this.logState() return this } eat() { this.state = 'Eating.'

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