记录编号	577557	评测结果	AAAAAAAAAA
题目名称	[CSP 2022J]解密	最终得分	100
用户昵称	Lfc_HeSn	是否通过	通过
代码语言	C++	运行时间	1.212 s
提交时间	2022-11-09 21:15:24	内存使用	0.00 MiB

#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main() {
	freopen("csp2022pj_decode.in", "r", stdin);
	freopen("csp2022pj_decode.out", "w", stdout);
	int n;
	cin >> n;
	for(int i = 1; i <= n; i ++) {
		int a, b, c;
		cin >> a >> b >> c;
		int m = a - b * c + 2;
		int l = 1, r = m - 1, ans1 = -1000, ans2 = -1000;
		while(l <= r) {
			int mid = (l + r) / 2;
			if(mid * (m - mid) == a) {
				ans1 = min(mid, m - mid);
				ans2 = max(mid, m - mid);
				break;
			}
			if(mid * (m - mid) > a) {
				r = mid - 1;
			}
			else {
				l = mid + 1;
			}
		}
		if(ans1 == -1000) {
			cout << "NO" << endl;
		}
		else {
			cout << ans1 << ' ' << ans2 << endl;
		}
	}
	return 0;
}