P8254 [NOI Online 2022 普及组] 王国比赛（民间数据）

R72448073

Luogu/P8254/P8254.cpp

@@ -0,0 +1,30 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+const int N = 1005;
+
+int n, m, a[N], ans;
+
+int main() {
+    std::ios::sync_with_stdio(false);
+
+    cin >> n >> m;
+    for (int i = 1; i <= m; i++) {
+        for (int j = 1, x; j <= n; j++) {
+            cin >> x;
+            if (x) a[j]++;
+        }
+    }
+
+    for (int i = 1, x; i <= n; i++) {
+        cin >> x;
+        if (x == (a[i] > m - a[i])) ans++;
+    }
+
+    cout << ans << endl;
+
+    return 0;
+}