'commit'

TangDou/CSP-J/AcWingTraining/T5/cm.cpp

@@ -0,0 +1,18 @@
+#include <bits/stdc++.h>
+using namespace std;
+const int N=30010;
+int n,m;
+int w[N];
+
+int main() {
+    cin>>m>>n;
+    for (int i = 0; i < n; i++) cin >> w[i];
+    sort(w, w + n);
+    int res = 0;
+     for (int i = 0, j = n - 1; i <= j; j--) {
+        if (w[i] + w[j] <= m) i++;
+        res++;
+    }
+    cout << res << endl;
+    return 0;
+}