feat: new greedy problem formated

unconventional-pairs/src/validator.cpp

@@ -0,0 +1,28 @@
+#include "testlib.h"
+#include <bits/stdc++.h>
+
+using namespace std;
+
+
+int main(int argc, char* argv[]) {
+    registerValidation(argc, argv);
+
+    int t = inf.readInt(1, 1e4, "t");
+    inf.readEoln();
+    int sizesSum = 0;
+    while (t--) {
+        int n = inf.readInt(2, 2e5, "n");
+        ensuref(n % 2 == 0, "Number of participants must be even.");
+        sizesSum += n;
+        ensuref(sizesSum <= 2e5, "Sum of array sizes over all test cases must not exceed 200.000.");
+        inf.readEoln();
+        for (int i = 0; i < n; i++) {
+            if (i != 0) inf.readSpace();
+            inf.readInt(-1e9, 1e9, "ai");
+        }
+        inf.readEoln();
+    }
+    inf.readEof();
+
+    return 0;
+}