diff --git a/.checkMatrix.c.un~ b/.checkMatrix.c.un~
new file mode 100644
index 0000000..3243d02
Binary files /dev/null and b/.checkMatrix.c.un~ differ
diff --git a/.outPut.c.un~ b/.outPut.c.un~
new file mode 100644
index 0000000..345b43e
Binary files /dev/null and b/.outPut.c.un~ differ
diff --git a/a.out b/a.out
new file mode 100755
index 0000000..eb6cafa
Binary files /dev/null and b/a.out differ
diff --git a/checkMatrix.c b/checkMatrix.c
index 15c74a9..65196c0 100644
--- a/checkMatrix.c
+++ b/checkMatrix.c
@@ -10,24 +10,24 @@ int checkMatrix(int matrixArr[9][9], int isPrintInfo){
         rowCnt[i][matrixArr[i][j]]++;
         if(rowCnt[i][matrixArr[i][j]]>1){
           if(isPrintInfo){
-            printf("\nFalse:Invalid initial Sudoku matrix!");
-            printf("\nThe number %d in the row %d has been used!",matrixArr[i][j],i+1);
+            printf("\nFalse:Invalid initial Sudoku matrix!\n");
+            printf("\nThe number %d in the row %d has been used!\n",matrixArr[i][j],i+1);
           }
           return 0;
         }
         colCnt[j][matrixArr[i][j]]++;
         if(colCnt[j][matrixArr[i][j]]>1){
           if(isPrintInfo){
-            printf("\nFalse:Invalid initial Sudoku matrix!");
-            printf("\nThe number %d in the col %d has been used!",matrixArr[i][j],j+1);
+            printf("\nFalse:Invalid initial Sudoku matrix!\n");
+            printf("\nThe number %d in the col %d has been used!\n",matrixArr[i][j],j+1);
           }
           return 0;
         }
         bloCnt[i/3*3+j/3][matrixArr[i][j]]++;
         if(bloCnt[i/3*3+j/3][matrixArr[i][j]]>1){
           if(isPrintInfo){
-            printf("\nFalse:Invalid initial Sudoku matrix!");
-            printf("\nThe number %d in the block %d has been used!",matrixArr[i][j],i/3*3+j/3+1);
+            printf("\nFalse:Invalid initial Sudoku matrix!\n");
+            printf("\nThe number %d in the block %d has been used!\n",matrixArr[i][j],i/3*3+j/3+1);
           }
           return 0;
         }
@@ -35,7 +35,7 @@ int checkMatrix(int matrixArr[9][9], int isPrintInfo){
     }
   }
   if(isPrintInfo){
-    printf("\nTrue:Valid initial Sudoku matrix!");
+    printf("\nTrue:Valid initial Sudoku matrix!\n");
   }
   return 1;
 }
@@ -59,9 +59,9 @@ int checkMatrix(int matrixArr[9][9], int isPrintInfo){
 //                       {0, 6, 0, 0, 0, 0, 2, 8, 0},
 //                       {0, 0, 0, 4, 1, 9, 0, 0, 5},
 //                       {0, 0, 0, 0, 8, 0, 0, 7, 9}};
-
+// 
 //   printf("The original Sudoku matrix: \n");
 //   matrixOutput(board1);
 //   checkMatrix(board1,1);
 //   return 0;
-// }
\ No newline at end of file
+// }
diff --git a/checkMatrix.c~ b/checkMatrix.c~
new file mode 100644
index 0000000..7decbfb
--- /dev/null
+++ b/checkMatrix.c~
@@ -0,0 +1,67 @@
+#include "myMatrix.h"
+
+int checkMatrix(int matrixArr[9][9], int isPrintInfo){
+  int rowCnt[9][10]={0};
+  int colCnt[9][10]={0};
+  int bloCnt[9][10]={0};
+  for(int i=0;i<9;i++){
+    for(int j=0;j<9;j++){
+      if(matrixArr[i][j]!=0){
+        rowCnt[i][matrixArr[i][j]]++;
+        if(rowCnt[i][matrixArr[i][j]]>1){
+          if(isPrintInfo){
+            printf("\nFalse:Invalid initial Sudoku matrix!\n");
+            printf("\nThe number %d in the row %d has been used!\n",matrixArr[i][j],i+1);
+          }
+          return 0;
+        }
+        colCnt[j][matrixArr[i][j]]++;
+        if(colCnt[j][matrixArr[i][j]]>1){
+          if(isPrintInfo){
+            printf("\nFalse:Invalid initial Sudoku matrix!\n");
+            printf("\nThe number %d in the col %d has been used!\n",matrixArr[i][j],j+1);
+          }
+          return 0;
+        }
+        bloCnt[i/3*3+j/3][matrixArr[i][j]]++;
+        if(bloCnt[i/3*3+j/3][matrixArr[i][j]]>1){
+          if(isPrintInfo){
+            printf("\nFalse:Invalid initial Sudoku matrix!\n");
+            printf("\nThe number %d in the block %d has been used!\n",matrixArr[i][j],i/3*3+j/3+1);
+          }
+          return 0;
+        }
+      }
+    }
+  }
+  if(isPrintInfo){
+    printf("\nTrue:Valid initial Sudoku matrix!\n");
+  }
+  return 1;
+}
+
+int main(){
+  int board0[9][9] = {{5, 3, 0, 0, 7, 0, 0, 0, 0},
+                      {6, 0, 0, 1, 9, 5, 0, 0, 0},
+                      {0, 9, 8, 0, 0, 0, 0, 6, 0},
+                      {8, 0, 0, 0, 6, 0, 0, 0, 3},
+                      {4, 0, 0, 8, 0, 3, 0, 0, 1},
+                      {7, 0, 0, 0, 2, 0, 0, 0, 6},
+                      {0, 6, 0, 0, 0, 0, 2, 8, 0},
+                      {0, 0, 0, 4, 1, 9, 0, 0, 5},
+                      {0, 0, 0, 0, 8, 0, 0, 7, 9}};
+  int board1[9][9] = {{8, 3, 0, 0, 7, 0, 0, 0, 0},
+                      {6, 0, 0, 1, 9, 5, 0, 0, 0},
+                      {0, 9, 8, 0, 0, 0, 0, 6, 0},
+                      {8, 0, 0, 0, 6, 0, 0, 0, 3},
+                      {4, 0, 0, 8, 0, 3, 0, 0, 1},
+                      {7, 0, 0, 0, 2, 0, 0, 0, 6},
+                      {0, 6, 0, 0, 0, 0, 2, 8, 0},
+                      {0, 0, 0, 4, 1, 9, 0, 0, 5},
+                      {0, 0, 0, 0, 8, 0, 0, 7, 9}};
+
+  printf("The original Sudoku matrix: \n");
+  matrixOutput(board1);
+  checkMatrix(board1,1);
+  return 0;
+}
diff --git a/fillMatrix.exe b/fillMatrix.exe
deleted file mode 100644
index e39d7e0..0000000
Binary files a/fillMatrix.exe and /dev/null differ
diff --git a/outPut.c b/outPut.c
index 5ac757b..c28a937 100644
--- a/outPut.c
+++ b/outPut.c
@@ -4,15 +4,22 @@ void matrixOutput(int matrixArr[9][9])
 {
   for (int i = 0; i < 9; i++)
   {
+    if(i % 3 == 0)
+      printf("|-----------------------|\n");
     for (int j = 0; j < 9; j++)
     {
+      if(j % 3 == 0){
+        printf("| ");
+      }
       printf("%d", matrixArr[i][j]);
       if (j != 8)
         printf(" ");
+      else
+        printf(" |");
     }
-    if (i != 8)
-      printf("\n");
+    printf("\n");
   }
+  printf("|-----------------------|\n");
 }
 
 // int main()
@@ -28,4 +35,4 @@ void matrixOutput(int matrixArr[9][9])
 //                      {3, 4, 5, 2, 8, 6, 1, 7, 9}};
 //   matrixOutput(board);
 //   return 0;
-// }
\ No newline at end of file
+// }
diff --git a/outPut.c~ b/outPut.c~
new file mode 100644
index 0000000..e10505f
--- /dev/null
+++ b/outPut.c~
@@ -0,0 +1,38 @@
+#include "myMatrix.h"
+
+void matrixOutput(int matrixArr[9][9])
+{
+  for (int i = 0; i < 9; i++)
+  {
+    if(i % 3 == 0)
+      printf("|-----------------------|\n");
+    for (int j = 0; j < 9; j++)
+    {
+      if(j % 3 == 0){
+        printf("| ");
+      }
+      printf("%d", matrixArr[i][j]);
+      if (j != 8)
+        printf(" ");
+      else
+        printf(" |");
+    }
+    printf("\n");
+  }
+  printf("|-----------------------|\n");
+}
+
+int main()
+{
+  int board[9][9] = {{5, 3, 4, 6, 7, 8, 9, 1, 2},
+                     {6, 7, 2, 1, 9, 5, 3, 4, 8},
+                     {1, 9, 8, 3, 4, 2, 5, 6, 7},
+                     {8, 5, 9, 7, 6, 1, 4, 2, 3},
+                     {4, 2, 6, 8, 5, 3, 7, 9, 1},
+                     {7, 1, 3, 9, 2, 4, 8, 5, 6},
+                     {9, 6, 1, 5, 3, 7, 2, 8, 4},
+                     {2, 8, 7, 4, 1, 9, 6, 3, 5},
+                     {3, 4, 5, 2, 8, 6, 1, 7, 9}};
+  matrixOutput(board);
+  return 0;
+}