Precreation contest files

misc/others/lares.cpp

@@ -0,0 +1,30 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int m, n, k;
+int check(int _x) {
+  int mn = _x * 2;
+  int nn = _x;
+  if (mn < 0 || nn < 0 || m - mn + n - nn < k) {
+    return 0;
+  }
+  return 1;
+}
+
+int main() {
+  cin >> m >> n >> k;
+  int l = 0, r = min(m / 2, n);
+
+  int res = 0;
+  while (l < r) {
+    int mid = (l + r) / 2;
+    if (check(mid)) {
+      res = max(res, mid);
+      l = mid + 1;
+    } else {
+      r = mid;
+    }
+  }
+  cout << res << '\n';
+}