first commit

2022-12-15 23:51:04 +07:00
commit 87d51fb251
292 changed files with 12623 additions and 0 deletions
@@ -0,0 +1,45 @@
+package nyagami;
+
+import java.util.Scanner;
+
+public class test{
+    static int[][] trans(int[][] a, int n, int m){
+        int[][] b = new int[m][n];
+        for(int i=0; i<m; i++){
+            for(int j=0; j<n; j++) b[i][j] = a[j][i];
+        }
+        return b;
+    }
+    static int[][] mul(int[][] a, int[][]b, int n, int m){
+        int res[][] = new int[n][n];
+        for(int i=0; i<n; i++){
+            for(int j=0; j<n; j++){
+                int sum = 0;
+                for(int k=0; k<m; k++) sum+=a[i][k]*b[k][j];
+                res[i][j] = sum;
+            }
+        }
+        return res;
+    }
+    public static void main(String[] arg){
+        Scanner sc = new Scanner(System.in);
+        int t = sc.nextInt();
+        for(int ts=1; ts<=t; ts++){
+            int n = sc.nextInt(), m = sc.nextInt();
+            int[][] a = new int[n][m];
+            for(int i=0; i<n; i++){
+                for(int j=0; j<m; j++) a[i][j] = sc.nextInt();
+            }
+            int[][] b = trans(a, n, m);
+            int[][] res = mul(a, b, n, m);
+            System.out.printf("Test %d:\n", ts);
+            for(int i=0; i<n; i++){
+                for(int j=0; j<n; j++){
+                    System.out.printf("%d ", res[i][j]);
+                }
+                System.out.println("");
+            }
+        }
+        sc.close();
+    }
+}