Ignatius and the Princess III Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 16191 Accepted Submission(s): 11407 Problem Description "Well, it seems the first problem is too easy. I will let
1.Java有四种整数类型:byte.short.int和long. 2.Java默认整数计算的结果是int类型. 3.整数的字面量是int类型. 4.若字面量超过int类型的最大值,则字面量是long类型,那么后面要用L(或l)表示该值是long类型. byte b = 5; byte a = b + 5;错误 int a = b + 5;正确 byte a = 122 + 5;正确 byte a = 123 + 5;错误,超出范围
Java的整数运算遵循四则运算规则,可以使用任意嵌套的小括号.四则运算规则和初等数学一致.例如: public class Main { public static void main(String[] args) { int i=(100+200)*(99-88);//3300 int n=7*(5+(i-9));//23072 System.out.println(i); System.out.println(n); } } 输出 3300 23072 整数运算的数值不但是精确的,而且整数运
方式一: int num = 100; int[] ary = new int[(num+"").length()]; for(int i = ary.length-1;i>=0;i--){ ary[i] = num%10; num /= 10; } for(int i:ary){ System.out.println(i); }
求一个数两位数的个位数,十位数,百位数及千位: int num = 53; int g = (num / 1) % 10; //个位 int s = (num / 10) % 10; //十位 int b = (num / 100) % 10; //百位 int b = (num / 1000) % 10; //千位 你会发现,这是有规律的,求哪一位就用这个数除以位的值,然后再对10进行求余.如果不求余那就会出现高位的数,例如,如果不对百位求余,当你输入一个四位数(3456),
Partition Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 954 Accepted Submission(s): 545 Problem Description How many ways can the numbers 1 to 15 be added together to make 15? The technical term