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Luogu/P1035 [NOIP2002 普及组] 级数求和.cpp

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+#include <iostream>
+using namespace std;
+int main()
+{
+    double sum; // Use double for sum to handle fractions
+    int n, k;
+    cin >> k;
+    n = 1;
+    sum = 0.0;
+    while (sum <= k)
+    {
+        sum = sum + 1.0 / n; // Use 1.0 to ensure floating-point division
+        n++;
+    }
+    cout << n - 1 << endl; // n is incremented one extra time in the loop
+    return 0;
+}
+