Precreation contest files

misc/chuyen-de-xau/b7.cpp

@@ -0,0 +1,30 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+int counter[(int)('z' - 'a')];
+
+int main() {
+  ios_base::sync_with_stdio(false);
+  cin.tie(NULL);
+
+  string a;
+  cin >> a;
+  for (const auto i : a) {
+    counter[i - 'a']++;
+  }
+
+  int sum = 0;
+  for (const auto i : counter) {
+    sum += i;
+  }
+
+  int max_x = 0;
+  char max_c;
+  for (int i = 0; i < 'z' - 'a'; i++) {
+    if (counter[i] > max_x) {
+      max_x = counter[i];
+      max_c = 'a' + i;
+    }
+  }
+  cout << sum << ' ' << max_c << '\n';
+}