diff --git a/2768_midupng/main.cpp b/2768_midupng/main.cpp
index cbc443b..15fde5f 100644
--- a/2768_midupng/main.cpp
+++ b/2768_midupng/main.cpp
@@ -1,63 +1,70 @@
-//weiwancheng
+#include <cstdio>
 #include <iostream>
-#include<cstdio>
 using namespace std;
 int main()
 {
-    int xy,r;
+    int xy, r;
     //bool a[251][251]={0};
-    int ans[252][252]={0};
-    cin>>xy>>r;
-    for(int i=1;i<=xy;i++){
-        for(int j=1;j<=xy;j++){
+    int ans[252][252] = { 0 };
+    cin >> xy >> r;
+    for (int i = 1; i <= xy; i++) {
+        for (int j = 1; j <= xy; j++) {
             bool u;
-            cin>>u;
-            if(u==1){
-                printf("(%d,%d):",i,j);
-                int qx=i-r,qy=j-r;
-                int hx=i+r+1,hy=j+r+1;
-                if(qx<1){
-                    qx=1;
+            cin >> u;
+            if (u == 1) {
+                // printf("(%d,%d):", i, j);
+                int qx = i - r, qy = j - r;
+                int hx = i + r + 1, hy = j + r + 1;
+                if (qx < 1) {
+                    qx = 1;
                 }
-                if(qy<1){
-                    qy=1;
+                if (qy < 1) {
+                    qy = 1;
                 }
-                if(hx>xy){
-                    hx=xy+1;
+                if (hx > xy) {
+                    hx = xy + 1;
                 }
-                if(hy>xy){
-                    hy=xy+1;
+                if (hy > xy) {
+                    hy = xy + 1;
                 }
-                printf("%d %d %d %d ",qx,qy,hx,hy);
+                // printf("(%d,%d) (%d,%d) ", qx, qy, hx, hy);
                 ans[qx][qy]++;
-                ans[i][hy]--;
-                ans[j][hx]--;
-                ans[hx][hy]--;
-                printf("%d %d %d %d\n",ans[qx][qy],ans[i][hy],ans[j][hx],ans[hx][hy]);
+                ans[qx][hy]--;
+                ans[hx][qy]--;
+                ans[hx][hy]++;
+                // printf("(%d,%d) (%d,%d)\n", i,hy,j,hx);
             }
         }
     }
-
-    for(int i=1;i<=xy;i++){
-        for(int j=1;j<=xy;j++){
-            // ans[i][j]+=ans[i-1][j]+ans[i][j-1]-ans[i-1][j-1];
-            cout<<ans[i][j];
-            if(j!=xy){
-                cout<<" ";
-            }else{
-                cout<<endl;
-            }
+    // printf("\n");
+    // for (int i = 1; i <= xy; i++) {
+    //     for (int j = 1; j <= xy; j++) {
+    //         // ans[i][j]+=ans[i-1][j]+ans[i][j-1]-ans[i-1][j-1];
+    //         cout << ans[i][j];
+    //         if (j != xy) {
+    //             cout << " ";
+    //         } else {
+    //             cout << endl;
+    //         }
+    //     }
+    // }
+    // printf("\n");
+    for (int i = 1; i <= xy; i++) {
+        for (int j = 1; j <= i-1; j++) {
+            ans[i][j] += ans[i - 1][j] + ans[i][j - 1] - ans[i - 1][j - 1];
         }
+        for (int j = 1; j <= i - 1; j++) {
+            ans[j][i] += ans[j - 1][i] + ans[j][i - 1] - ans[j - 1][i - 1];
+        }
+        ans[i][i] += ans[i - 1][i] + ans[i][i - 1] - ans[i - 1][i - 1];
     }
-
-    for(int i=1;i<=xy;i++){
-        for(int j=1;j<=xy;j++){
-            ans[i][j]+=ans[i-1][j]+ans[i][j-1]-ans[i-1][j-1];
-            cout<<ans[i][j];
-            if(j!=xy){
-                cout<<" ";
-            }else{
-                cout<<endl;
+    for (int i = 1; i <= xy; i++) {
+        for (int j = 1; j <= xy; j++) {
+            cout << ans[i][j];
+            if (j != xy) {
+                cout << " ";
+            } else {
+                cout << endl;
             }
         }
     }
diff --git a/2768_midupng/main.exe b/2768_midupng/main.exe
index 74e78b6..a2584f9 100644
Binary files a/2768_midupng/main.exe and b/2768_midupng/main.exe differ
diff --git a/2768_midupng/test/in2.txt b/2768_midupng/test/in2.txt
index e69de29..f08c6c4 100644
--- a/2768_midupng/test/in2.txt
+++ b/2768_midupng/test/in2.txt
@@ -0,0 +1,11 @@
+10 5
+0 1 1 1 0 0 0 0 1 0
+1 1 0 1 1 1 0 1 1 1
+0 0 0 1 0 0 0 1 0 0
+1 0 0 0 0 0 0 1 0 0
+0 0 1 0 0 0 1 0 1 1
+0 0 0 0 0 1 0 1 0 1
+0 0 0 0 0 1 0 1 1 1
+1 1 1 1 1 1 1 0 0 0
+1 0 0 0 1 0 0 0 1 0
+0 1 0 0 1 1 0 1 1 1
diff --git a/2768_midupng/test/in3.txt b/2768_midupng/test/in3.txt
index e69de29..44a7f1b 100644
--- a/2768_midupng/test/in3.txt
+++ b/2768_midupng/test/in3.txt
@@ -0,0 +1,21 @@
+20 19
+0 1 1 1 1 0 1 0 1 0 0 1 1 1 1 0 1 1 0 0
+0 1 0 0 0 0 0 0 1 0 0 1 1 1 1 1 1 1 0 0
+0 1 0 1 1 0 0 0 1 0 1 1 0 1 0 0 1 0 1 0
+1 1 1 1 0 0 1 1 0 0 1 1 1 0 1 1 1 1 0 0
+1 1 1 1 0 0 1 1 0 0 0 1 0 1 0 1 0 0 0 1
+1 1 1 1 1 0 0 0 1 0 0 1 0 0 0 1 1 1 1 0
+0 0 1 0 0 1 0 0 0 0 0 1 0 0 1 0 1 1 0 0
+1 1 1 0 0 1 1 1 1 1 0 1 0 0 1 0 1 0 1 1
+1 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 1 0 0
+0 0 1 1 1 1 0 0 0 0 0 0 1 1 0 1 0 1 0 1
+1 1 1 0 1 0 1 0 0 0 1 1 1 1 0 0 1 1 1 1
+0 1 0 1 0 1 0 1 0 1 0 0 1 0 0 0 1 0 1 1
+1 0 0 0 1 0 0 0 1 1 1 0 0 0 1 0 0 1 0 0
+1 0 1 0 0 0 0 1 1 1 1 0 0 1 1 1 0 1 0 0
+1 0 0 0 1 1 1 1 0 0 1 0 1 1 0 1 1 1 0 0
+1 1 1 0 1 1 1 1 1 1 1 0 0 0 1 0 0 1 1 0
+0 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 1 0 1 1
+0 1 1 1 0 1 1 1 0 0 1 0 0 0 0 0 1 1 0 1
+1 0 0 1 1 0 1 1 1 0 0 0 1 0 1 0 0 1 1 1
+1 1 1 1 1 0 0 1 0 1 0 1 0 0 1 1 0 0 1 0
diff --git a/2768_midupng/test/out.txt b/2768_midupng/test/out.txt
index 9317e25..4429d12 100644
--- a/2768_midupng/test/out.txt
+++ b/2768_midupng/test/out.txt
@@ -1,41 +1,53 @@
 ## z:\Chao\src\2768_midupng\test\in.txt 
-2020/05/02 周六 20:11:44.84 
-(1,2):1 1 3 4 1 -1 -1 -1
-(1,4):1 3 3 6 1 -1 -1 -1
-(1,5):1 4 3 6 0 -2 -1 -2
-(2,1):1 1 4 3 2 -2 -1 -2
-(2,4):1 3 4 6 2 -1 -1 -1
-(2,5):1 4 4 6 0 -2 -1 -2
-(3,1):2 1 5 3 1 -1 -1 -2
-(4,1):3 1 6 3 1 -3 -3 -1
-(4,2):3 1 6 4 2 -2 -3 -1
-(5,1):4 1 6 3 1 -3 -4 -2
-(5,3):4 2 6 5 1 -1 -3 -1
-(5,4):4 3 6 6 -2 -1 -3 -1
-(5,5):4 4 6 6 -1 -3 -3 -2
-2 0 2 0 -1
-1 0 -2 0 0
-2 0 -1 -1 0
-1 1 -2 -1 0
-0 0 -3 -1 -1
-2 2 4 4 3
-3 3 3 3 2
-5 5 4 3 2
-6 7 4 2 1
-6 7 1 -2 -4
+2020/05/03 周日 11:51:24.21 
+2 2 3 4 4
+3 3 3 4 4
+4 4 2 2 2
+4 5 3 3 2
+3 4 3 3 2
 
 -----------------------------------------------
 Process exited after 160 ms with return value 0
 
 ## z:\Chao\src\2768_midupng\test\in2.txt 
-2020/05/02 周六 20:11:44.84 
+2020/05/03 周日 11:51:24.21 
+12 13 17 20 23 23 21 19 17 14
+13 14 19 23 27 27 25 23 21 18
+19 21 26 30 34 34 31 28 25 21
+21 23 28 33 37 37 33 30 27 23
+24 26 32 38 43 43 39 35 32 28
+24 26 32 38 43 43 39 35 32 28
+21 23 29 34 39 39 35 32 30 27
+16 18 23 27 31 31 28 26 24 22
+15 17 21 25 29 29 26 24 22 21
+14 16 19 23 27 27 25 23 21 20
 
 -----------------------------------------------
-Process exited after 70 ms with return value 0
+Process exited after 90 ms with return value 0
 
 ## z:\Chao\src\2768_midupng\test\in3.txt 
-2020/05/02 周六 20:11:44.84 
+2020/05/03 周日 11:51:24.21 
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
+203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203
 
 -----------------------------------------------
-Process exited after 80 ms with return value 0
+Process exited after 90 ms with return value 0