diff --git a/190613/wangmin/bj10989.cpp b/190613/wangmin/bj10989.cpp
new file mode 100644
index 0000000..c555b9a
--- /dev/null
+++ b/190613/wangmin/bj10989.cpp
@@ -0,0 +1,32 @@
+#include <vector>
+#include <iostream>
+
+using namespace std;
+
+int main(){
+    cin.tie(NULL);
+    cout.tie(NULL);
+    ios_base :: sync_with_stdio(false);
+    
+    int N;
+    cin >> N;
+    int a;
+    vector<int> count(10001, 0);
+    
+
+    for(int i = 0; i < N; i++){
+        cin >> a;
+        count[a]++;
+    }
+
+    for(int i = 0; i <= 10001; i++){
+        for(int j = count[i]; j > 0; j--){
+            cout << i << "\n";
+        }
+    }
+
+
+    return 0;
+}
+
+
diff --git a/190621/wangmin/bj1525.cpp b/190621/wangmin/bj1525.cpp
new file mode 100644
index 0000000..27cc03d
--- /dev/null
+++ b/190621/wangmin/bj1525.cpp
@@ -0,0 +1,132 @@
+#include <vector>
+#include <iostream>
+#include <map>
+#include <queue>
+
+using namespace std;
+
+int find9(int number){
+    int result = 0;
+    int c;
+    int i = 0;
+    while(!result){
+        c = number%10;
+        if(c == 9){
+            result = 9-i;
+            return result;
+        }
+        number = number/10;
+        i++;
+    }
+    return result;
+}
+
+vector<int> makeVec(int number){
+    vector<int> result(0);
+    int c;
+    int n = 100000000;
+    for(int i = 0; i < 9 ; i++){
+        c = number/n%10;
+        result.push_back(c);
+        n = n/10;
+    }
+
+    return result;
+}
+
+int makeNumber(vector<int> vec){
+    int result = 0;
+    int n = 100000000;
+    for(int i = 0; i < 9; i++){
+        result += vec[i]*n;
+        n = n/10;
+    }
+    return result;
+}
+
+vector<int> swapVec(vector<int> vec, int a, int b){
+    int c = vec[a-1];
+    vec[a-1] = vec[b-1];
+    vec[b-1] = c;
+
+    return vec;
+}
+
+int find9(vector<int> vec){
+    for(int i = 0 ; i < 9; i++){
+        if(vec[i] == 9) {
+            return i+1;
+        }
+    }
+}
+
+int main(){
+    int start;
+    int number = 0;
+    int n = 100000000;
+    int c;
+
+    vector<int> vec(0);
+    map<int,bool> m;
+    queue<vector<vector<int>>> q ;
+    vector<vector<int>> map(10,vector<int>(0));
+    map[1] = {2,4};
+    map[2] = {1,3,5};
+    map[3] = {2,6};
+    map[4] = {1,5,7};
+    map[5] = {2,4,6,8};
+    map[6] = {3,5,9};
+    map[7] = {4,8};
+    map[8] = {5,7,9};
+    map[9] = {6,8};
+
+
+    for(int i = 0 ; i < 9; i++){
+        cin >> c;
+        if(c== 0) {
+            c = 9;
+        }
+        vec.push_back(c);
+        number  += c*n;
+        n = n/10;
+    }
+
+    m[number] = true;
+
+
+    q.push({vec,{0}});
+    vector<int> curVec;
+    int curNum;
+    int count;
+    int result = -1;
+    int cur9;
+    int next9;
+    vector<int> nextVec;
+    int nextNum;
+    while(!q.empty()){
+        curVec = q.front()[0];
+        count = q.front()[1][0];
+        curNum = makeNumber(curVec);
+        cur9 = find9(curNum);
+        q.pop();
+
+        if(curNum == 123456789){
+            result = count;
+            break;
+        }
+
+        for(int i = 0; i < map[cur9].size(); i++){
+            nextVec = swapVec(curVec,cur9,map[cur9][i]);
+            nextNum = makeNumber(nextVec);
+
+            if(m[nextNum] != true){
+                m[nextNum] = true;
+                q.push({nextVec,{count+1}});
+            }
+        }
+    }
+
+    cout << result <<endl;
+
+    return 0;
+}
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