Java Implementation (code)--Narcissus number + Yang Hui triangle

1 /*2 output All "daffodils" on the console3 Narcissus: 100~9994 5 in the above number range: this number = single digit * digit * digit + 10 bit * 10 bit * 10 bit + hundred * Hundred * Hundred6 7 Example: xyz=x^3 +y^3 +z^38 9 How to split a three-digit number into every integerTen  One idea: Hundred: int x= i/100 A 10-bit: int y = I/10 - digit: int z = i% -  the */ - classLoopTest3 { -      Public Static voidMain (string[] args) -     { +          for(inti=100; i<=999; i++ ){ -             intx= i/100; +             inty = i/10% 10; A             intz = i% 10; at              -             //The number itself is I, X, Y, Z is the hundred 10 digit digit -             if(i = = x* x* x+ y* y* y+ z* z*z) { -System.out.println (i);//i=153,370,371,407 -  -                 //153=1^3+ 5^3 +3^3=1 + 125+ in             } -         } to     } +}

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1 ImportJava.util.Scanner;2 3 /*4 Yang Hui triangle: each element of the current row is the top row of the element in the current row and the left element of the previous row and5     6 Analysis:7             8 This topic uses the following skill points:9                     Ten for Loop: Two nesting for loops One Dynamic Data: The last line of this element and the left element of the previous row A static data: The first and last columns of each row are: 1 -                      - The elements of the array can be quickly positioned with the subscript index, assigned the                      - control a two-dimensional array with two for loops to get the final result -                      - Objective: +          - Expand the field of vision of the students, do not require mastery, need to understand. Be able to understand, finish mastering later.  +              A              at 1 1 - 1 2 1 - 1 3 3 1 - 1 4 6) 4 1 - 1 5 5 1 -      in */ - classYanghui { to      Public Static voidMain (string[] args) { +         int[] san =New int[6] [6]; -          the         //I would do triangles, I would do rectangles, assign values to triangles static data 1 *          for(inti = 0;  i<6; i++) {//Control Line $              for(intj = 0;  j<=i; J + +) {//Control ColumnsPanax NotoginsengSAN[I][J] = 1; -             } the         } +          A         //assignment of Dynamic Data for two-dimensional arrays the          for(inti = 2;  i<6; i++){ +              for(intj = 1;  j<=i-1; J + +){ -                 //The previous line now the code is executed here, can we go back? Can be on a row this data can be defined with the subscript of a two-dimensional array $SAN[I][J] = San[i-1][j] + san[i-1][j-1]; $             } -         } -          the          for(inti = 0; i<6; i++) {//Control Line -              for(intj = 0; j<= i; J + +) {//Control ColumnsWuyiSystem.out.print (San[i][j] + ""); the             } - System.out.println (); Wu         } -     } About}

Java Implementation (code)--Narcissus number + Yang Hui triangle