✅ P7910 76pts (TLE)

CMakeLists.txt

@@ -23,4 +23,5 @@ add_executable(Playground
         take-most-space-element/main.cc
         walking-in-maze/main.cc
         network-connection/main.cpp
-        eating-snake/main.cc)
+        eating-snake/main.cc
+        insert-sort/main.cc)

eating-snake/main.cc

@@ -4,7 +4,7 @@
 
 using namespace std;
 
-//#define ENABLE_LOG
+#define ENABLE_LOG
 
 struct snake {
     int id;
@@ -29,8 +29,8 @@ bool sort_by_id(snake a, snake b) {
     return b.id > a.id;
 }
 
-void eat(vector<snake> &vec, bool skip_sort = false) {
+bool eat(vector<snake> &vec, bool skip_sort = false, int initial_id = 0) {
-    if (vec.size() < 2) return;
+    if (vec.size() < 2) return true;
     if (!skip_sort) {
         sort(vec.begin(), vec.end());
     }
@@ -42,8 +42,8 @@ void eat(vector<snake> &vec, bool skip_sort = false) {
     }
 #endif
 
-    if (!(vec[0] >= vec[vec.size() - 1])) {
+    if (!(vec[initial_id] >= vec[vec.size() - 1])) {
-        return;
+        return true;
     }
 
     // If this snake ate the last snake
@@ -53,7 +53,7 @@ void eat(vector<snake> &vec, bool skip_sort = false) {
     printf("%d gonna to eat %d\n", curr.id, last.id);
 #endif
     vec.pop_back();
-    vec[0].power -= last.power;
+    vec[initial_id].power -= last.power;
     sort(vec.begin(), vec.end());
     if (vec[0].id != curr.id) {
         bool will_be_eaten = false;
@@ -86,7 +86,6 @@ void eat(vector<snake> &vec, bool skip_sort = false) {
                 }
             }
             vec.push_back(last);
-            return;
         }
     }
 

insert-sort/data.in

@@ -0,0 +1,6 @@
+3 4
+3 2 1
+2 3
+1 3 2
+2 2
+2 3

insert-sort/main.cc

@@ -0,0 +1,38 @@
+// The question want me to impl a sort by my self
+// But absolutely not
+
+#include <iostream>
+
+using namespace std;
+
+int main() {
+    int n, Q;
+    cin >> n >> Q;
+    int arr[n + 5];
+
+    for (int i = 1; i <= n; i++) {
+        cin >> arr[i];
+    }
+
+    for (int i = 0; i < Q; i++) {
+        int op;
+        cin >> op;
+        if (op == 1) {
+            int x, v;
+            cin >> x >> v;
+            arr[x] = v;
+        } else {
+            int xn;
+            cin >> xn;
+            int it = arr[xn];
+            int pos = n;
+            for (int j = 1; j < xn; j++) {
+                if (arr[j] > it) pos--;
+            }
+            for (int j = xn + 1; j <= n; j++) {
+                if (arr[j] >= it) pos--;
+            }
+            cout << pos << endl;
+        }
+    }
+}