1 files changed, 59 insertions, 0 deletions
diff --git a/Semestr 4/aisd/pracownia1/rozw.cpp b/Semestr 4/aisd/pracownia1/rozw.cpp
new file mode 100644
index 0000000..acbd711
--- /dev/null
+++ b/Semestr 4/aisd/pracownia1/rozw.cpp
@@ -0,0 +1,59 @@
+#include<bits/stdc++.h>
+using namespace std;
+typedef long long ll;
+
+vector<pair<int, pair<int, int>>> v;
+const int MAX_LEN = 85;
+int bits[100];
+
+int main() {
+  ios_base::sync_with_stdio(false);
+  cin.tie();
+  int n;
+  cin >> n;
+  for (int i = 0; i < n; i++) {
+    int d, nd;
+    cin >> d >> nd;
+    int k = 0;
+    while (d % 2 == 0) {
+      d /= 2;
+      k++;
+    }
+    v.push_back({d, {k, nd}});
+  }
+  sort(v.begin(), v.end());
+  int result = 0;
+  
+  for (int i = 0; i < n; ) {
+    int h = i;
+    int d = v[i].first;
+    while (h < n && v[h].first == d) {
+      h++;
+    }
+    for (int k = 0; k < MAX_LEN; k++) 
+      bits[k] = 0;
+    for (int j = i; j < h; ++j) {
+      ll x = (ll)(1LL << v[j].second.first) * (ll)v[j].second.second;
+      int k = 0;
+      while (x > 0) {
+        if (x % 2 == 1) {
+          bits[k]++;
+        }
+        x /= 2;
+        k++;
+      }
+    }
+
+    for (int k = 0; k < MAX_LEN; k++) {
+      if (bits[k] > 1) {
+        bits[k + 1] += bits[k]/2;
+      }
+      if (bits[k] % 2 == 1) {
+        result++;
+      }
+    }
+    i = h;
+  }
+
+  cout << result << "\n";
+}
+\ No newline at end of file