ac zhyf · 发布于 2025-08-22 · 浏览 383 回复 0 include <bits/stdc++.h> using namespace std; int main() { int n, L, R; scanf("%d%d%d", &n, &L, &R); if (n - 1 + L / n * n > R) { cout << R - L / n *n; } else { cout << n - 1; } return 0; }