714. 连续奇数的和 1

https://www.acwing.com/problem/content/submission/code_detail/14061154/

AcWing/714/714.cpp

@@ -0,0 +1,23 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+int x, y, ans;
+
+int main() {
+    std::ios::sync_with_stdio(false);
+
+    cin >> x >> y;
+
+    if (y < x) std::swap(x, y);
+
+    for (int i = x + 1; i < y; i++) {
+        if (i & 1) ans += i;
+    }
+
+    cout << ans << endl;
+
+    return 0;
+}