'commit'

TangDou/Topic/HuanGenDp/CF1324F.cpp

@@ -8,10 +8,10 @@ void add(int a, int b, int c = 0) {
     e[idx] = b, ne[idx] = h[a], w[idx] = c, h[a] = idx++;
 }
 
-int n, a[N], f1[N], f2[N];
+int n, c[N], f1[N], f2[N];
 
 void dfs1(int u, int fa) {
-    if (a[u])
+    if (c[u])
         f1[u] = 1;
     else
         f1[u] = -1;
@@ -37,7 +37,7 @@ int main() {
     memset(h, -1, sizeof h);
     cin >> n;
 
-    for (int i = 1; i <= n; i++) cin >> a[i];
+    for (int i = 1; i <= n; i++) cin >> c[i];
 
     for (int i = 1; i <= n - 1; i++) {
         int a, b;