update ucpc2026

2026-07-11 09:38:32 +09:00
parent 7176febe54
commit 0b8c2864ae
20 changed files with 329 additions and 163 deletions
@@ -1,16 +1,14 @@
+random_device rd; mt19937 rng(rd());
+
 ll primary_root(ll p) {
-    std::random_device rd;
-    std::mt19937 gen(rd());
-    std::uniform_int_distribution<ll> distrib(1, p-1);
-    
-    //distrib(gen);
+    uniform_int_distribution<ll> dist(1, p-1);
+    auto gen = bind(dist, rng);
+
    vl g = po_rho(p-1);
-    
    while(true) {
-        ll c = distrib(gen);
-        
-        bool ok = true; ll u = p-1;
-        ll b = 1;
+        ll c = gen(), u = p-1, b = 1;
+        bool ok = true;
+
        for(auto i:g) {
            if(i != b) u = p-1;
            ll x = pow(c, u/i, p);