1 files changed, 121 insertions, 0 deletions
diff --git a/Semestr 4/aisd/pracownia4/rozw.cpp b/Semestr 4/aisd/pracownia4/rozw.cpp
new file mode 100644
index 0000000..b3f97c8
--- /dev/null
+++ b/Semestr 4/aisd/pracownia4/rozw.cpp
@@ -0,0 +1,121 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+const int M = (1<<20);
+const size_t size = M*2 + 10;
+
+struct query {
+    char type;
+    union {
+        struct insert {
+            int p;
+            int x;
+        } insert;
+        struct sum {
+            int from;
+            int to;
+        } sum;
+        int del;
+    };
+};
+
+struct segtreePS {
+    int tree[size];
+
+    segtreePS() {
+        for (int i = 0; i < size; i++) tree[i] = 0;
+    }
+
+    void update(int where, int val) {
+        where += M;
+        while (where) {
+            tree[where] += val;
+            where /= 2;
+        }
+    }
+
+    int query(int from, int to) {
+        from += M;
+        to += M;
+        int ans = tree[from];
+        if (from != to) ans += tree[to];
+        while (from/2 != to/2) {
+            if (from % 2 == 0)  ans += tree[from + 1];
+            if (to % 2 == 1)    ans += tree[to - 1];
+            to /= 2; from /= 2;
+        }
+        return ans;
+    }
+};
+
+struct segtreeSP {
+    int tree[size];
+
+    segtreeSP() {
+        for (int i = 0; i < size; i++) tree[i] = 0;
+    }
+
+    void update(int from, int to, int val) {
+        from += M;
+        to += M;
+        tree[from] += val;
+        if (from != val) tree[to] += val;
+        while (from/2 != to/2) {
+            if (from % 2 == 0)  tree[from + 1] += val;
+            if (to % 2 == 1)    tree[to - 1] += val;
+            to /= 2; from /= 2;
+        }
+    }
+
+    int query(int where) {
+        int ans = 0;
+        where += M;
+        while (where) {
+            ans += tree[where];
+            where /= 2;
+        }
+        return ans;
+    }
+};
+
+vector<query> queries;
+segtreeSP sptree;
+map<int, int> q_to_pos;
+
+int main() {
+    int n, inserts = 0;
+    scanf("%d", &n);
+    for (int i = 0; i < n; ++i) {
+        char c;
+        query q;
+        q.type = c;
+        scanf(" %c", &c);
+        if (c == 'D') {
+            int a;
+            cin >> a;
+            q.del = a;
+        }
+        else {
+            int a, b;
+            cin >> a >> b;
+            q.type = c;
+            if (c == 'I') {
+                q.insert = {a, b};
+                inserts++;
+            } else {
+                q.sum = {a, b};
+            }
+        }
+        queries.push_back(q);
+    }
+    for (int i = n-1; i > 0; i--) {
+        query q = queries[i];
+        if (q.type != 'I') continue;
+        int addition = sptree.query(q.insert.p);
+        q_to_pos[i] = addition + q.insert.p; 
+    }
+
+    for (int i = 0; i < n; i++) {
+        
+    }
+}
+\ No newline at end of file