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public class crosssum{ public static void main(string args[]){ int [][]a = {{1,2,3,4,5}, {6,7,8,9,10}, {11,12,13,14,15}, {16,17,18,19,20}, {21,22,23,24,25}} ; int transverse =0; //橫 int vertical =0; //豎 for(int i = 0; i < 5; i++){ transverse = transverse+ a[2][i]; //通過下標訪問 } for(int j = 0; j < 5; j++){ vertical = vertical+ a[2][j]; } system.out.println("5*5數組十字和為"+(transverse+vertical)); } } |
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public class leftsum{ public static void main(string args[]){ int [][]a = {{1,2,3,4,5}, {6,7,8,9,10}, {11,12,13,14,15}, {16,17,18,19,20}, {21,22,23,24,25}} ; int sum =0; for(int i = 0; i < 5; i++){ sum = sum+ a[i][i]; } system.out.println("5*5數組↘="+sum); } } |
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public class rightsum{ public static void main(string args[]){ int [][]a = {{1,2,3,4,5}, {6,7,8,9,10}, {11,12,13,14,15}, {16,17,18,19,20}, {21,22,23,24,25}} ; int sum =0; for(int j = 4; j >=0; j--){ sum = sum+ a[j][j]; } system.out.println("5*5數組↙="+sum); } } |
原文鏈接：https://www.idaobin.com/archives/352.html
