update ucpc2026

2026-07-11 09:38:32 +09:00
parent 7176febe54
commit 0b8c2864ae
20 changed files with 329 additions and 163 deletions
@@ -1,9 +1,7 @@
 ll tree[N];
-void update(int i,ll x) {
-    while(i < N) tree[i] += x, i += i&-i;
-}
+void update(int i,ll x){ while(i<N) tree[i] += x, i+=i&-i; }
 int query(int i) {
    ll s = 0;
-    while(i) s += tree[i], i -= i&-i;
+    while(i) s += tree[i], i-=i&-i;
    return s;
 }