From b41dac45a0d9793e76f4121cc4a9b1c525e94dfe Mon Sep 17 00:00:00 2001
From: Bruno Freitas Tissei <bft15@inf.ufpr.br>
Date: Wed, 16 May 2018 12:31:14 +0200
Subject: [PATCH] Add gym 101492

Signed-off-by: Bruno Freitas Tissei <bft15@inf.ufpr.br>
---
 contests/GYM_101492/B.cpp |  43 ++++++++++++++++++++++++++++++++++++
 contests/GYM_101492/F.cpp |  45 ++++++++++++++++++++++++++++++++++++++
 contests/GYM_101492/a.out | Bin 0 -> 15864 bytes
 graph/lca.cpp             |   2 +-
 4 files changed, 89 insertions(+), 1 deletion(-)
 create mode 100644 contests/GYM_101492/B.cpp
 create mode 100644 contests/GYM_101492/F.cpp
 create mode 100755 contests/GYM_101492/a.out

diff --git a/contests/GYM_101492/B.cpp b/contests/GYM_101492/B.cpp
new file mode 100644
index 0000000..8bfa667
--- /dev/null
+++ b/contests/GYM_101492/B.cpp
@@ -0,0 +1,43 @@
+#include <bits/stdc++.h>
+
+#define MAX 0
+#define MOD 1000000007
+#define EPS 1e-6
+#define inf 0x3f3f3f3f
+#define llinf 0x3f3f3f3f3f3f3f3f
+
+#define fi first
+#define se second
+#define sz size()
+#define pb push_back
+#define ende '\n'
+
+#define all(x) (x).begin(), (x).end()
+#define rall(x) (x).rbegin(), (x).rend()
+
+using namespace std; 
+
+typedef long long ll;
+typedef pair<int,int> ii;
+
+char ans[MAX];
+
+int main() {
+  ios::sync_with_stdio(0);
+  cin.tie(0);
+
+  ll n; cin >> n;
+  if (((n * (n + 1)) / 2) % 2)
+    return cout << -1 << ende, 0;
+
+  ll sum = 0, h = n * (n + 1) / 4;
+  for (int i = n; i >= 1; --i)
+    if (sum + i <= h) 
+      ans[i-1] = '+', sum += i;
+    else 
+      ans[i-1] = '-';
+
+  ans[n] = 0;
+  cout << ans << ende;
+  return 0;
+}
diff --git a/contests/GYM_101492/F.cpp b/contests/GYM_101492/F.cpp
new file mode 100644
index 0000000..94754f7
--- /dev/null
+++ b/contests/GYM_101492/F.cpp
@@ -0,0 +1,45 @@
+#include <bits/stdc++.h>
+
+#define MAX 0
+#define MOD 1000000007
+#define EPS 1e-6
+#define inf 0x3f3f3f3f
+#define llinf 0x3f3f3f3f3f3f3f3f
+
+#define fi first
+#define se second
+#define sz size()
+#define pb push_back
+#define ende '\n'
+
+#define all(x) (x).begin(), (x).end()
+#define rall(x) (x).rbegin(), (x).rend()
+
+using namespace std; 
+
+typedef long long ll;
+typedef pair<int,int> ii;
+
+int main() {
+  ios::sync_with_stdio(0);
+  cin.tie(0);
+
+  double r, dist;
+  cin >> r;
+  int sum = 0;
+
+  for (int i = 0; i < 3; ++i) {
+    double x, y;
+    cin >> x >> y;
+    dist = sqrt(x*x + y*y);
+
+    for (int j = 10; j > 0; --j)
+      if (dist <= (10 - j + 1)*r + 1e-6) {
+        sum += j;
+        break;
+      }
+  }
+
+  cout << sum << ende;
+  return 0;
+}
diff --git a/contests/GYM_101492/a.out b/contests/GYM_101492/a.out
new file mode 100755
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diff --git a/graph/lca.cpp b/graph/lca.cpp
index ab7b9fd..bd50708 100644
--- a/graph/lca.cpp
+++ b/graph/lca.cpp
@@ -71,7 +71,7 @@ int query(int p, int q) {
       q = par[q][i];
     }
 
-  return dp[p][0];
+  return cost[p][0];
 
   //* if (p == q) return ans;
   //* else return ans + cost[p][0] + cost[q][0];
-- 
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