diff --git a/day13/P1833/P1833.cpp b/day13/P1833/P1833.cpp
new file mode 100644
index 0000000..34b6847
--- /dev/null
+++ b/day13/P1833/P1833.cpp
@@ -0,0 +1,36 @@
+#include <algorithm>
+#include <iostream>
+using namespace std;
+
+const int MAX_N=10000+5;
+int sh,sm,eh,em,W,n;
+int w[MAX_N],v[MAX_N],c[MAX_N];
+int dp[MAX_N][MAX_N];
+
+int main(){
+    ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
+    char _;
+    cin>>sh>>_>>sm>>eh>>_>>em>>n;
+
+    W =  (eh*60+em)-(sh*60+sm);
+    // cout<<W<<endl;
+
+    for(int i=1;i<=n;i++){
+        cin>>w[i]>>v[i]>>c[i];
+    }
+
+    for(int i=1;i<=n;i++){
+        if(c[i]==0){
+            for(int j=w[i];j<=W;j++){
+                dp[i][j]=max(dp[i-1][j],dp[i][j-w[i]]+v[i]);
+            }
+        }else{
+            for(int j=1;j<=c[i];j++){
+                for(int k=1;k*w[i]<=j&&k<=c[i];k++){
+                    dp[i][j]=max(dp[i-1][j],dp[i-1][j-w[i]*k]+v[i]*k);
+                }
+            }
+        }
+    }
+    cout<<dp[n][W]<<endl;
+}
\ No newline at end of file
diff --git a/xmake.lua b/xmake.lua
index b044355..2923aa4 100644
--- a/xmake.lua
+++ b/xmake.lua
@@ -153,4 +153,8 @@ target("P2871")
 
 target("P1616")
     set_rundir("day13/P1616")
-    add_files("day13/P1616/*.cpp")
\ No newline at end of file
+    add_files("day13/P1616/*.cpp")
+
+target("P1833")
+    set_rundir("day13/P1833")
+    add_files("day13/P1833/*.cpp")
\ No newline at end of file