initial commit

Author: Michael Chen

.DS_Store

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+{
+	"folders":
+	[
+		{
+			"path": "/Users/chen.young/code/"
+		}
+	]
+}

.idea/code.iml

@@ -0,0 +1,8 @@
+{
+	"folders":
+	[
+		{
+			"path": "/Users/chen.young/code/222D"
+		}
+	]
+}

.idea/misc.xml

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+#include <bits/stdc++.h>
+using namespace std;
+
+typedef long long ll;
+typedef pair<int, int> pii;
+
+#define mp make_pair
+#define pb push_back
+int nums[100005];
+int main() {
+    #ifdef LOCAL
+    freopen("input.txt", "r", stdin);
+    #endif
+    int n, x;
+    multiset<int> other;
+    scanf("%d%d", &n, &x);
+    for (int i=0; i<2; ++i){
+    	for(int j=0;j<n;++j){
+    		int x; cin >>x;
+    		if (i) nums[j]=x;
+    		else other.insert(x);
+    	}
+    }
+
+    int num=0;
+    for (int i=0; i<n; ++i) {
+    	int k = x-nums[i];
+    	auto it = other.lower_bound(k);
+    	if (it == other.end()) continue;
+    	++num; other.erase(it);
+    }
+    printf("1 %d\n", num);
+}