'commit'

TangDou/KaoShi/BABA_5.cpp

@@ -0,0 +1,32 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+int main() {
+    int n;
+    cin >> n;
+
+    vector<int> count(81, 0);
+    for (int i = 0; i < n; ++i) {
+        int num;
+        cin >> num;
+        count[num]++;
+    }
+
+    for (int i = 1; i <= 80; ++i) {
+        if (count[i] >= 2) {
+            count[i + 1] += count[i] / 2;
+            count[i] %= 2;
+        }
+    }
+
+    int max_num = 0;
+    for (int i = 1; i <= 80; ++i) {
+        if (count[i] > 0) {
+            max_num = i;
+        }
+    }
+
+    cout << max_num << endl;
+
+    return 0;
+}