'commit'

TangDou/CSP-J/J2-2021/1_1.cpp

@@ -0,0 +1,11 @@
+#include <iostream>
+using namespace std;
+int main() {
+    int n, L, R;
+    cin >> n >> L >> R;
+    if (R / n > L / n)
+        cout << n - 1 << endl;
+    else
+        cout << R % n << endl;
+    return 0;
+}