代码

#include <bits/stdc++.h>
using namespace std;
long long m,n;
int check(int x){
	if(x * (m - x) == n) return 0;
	if(x * (m - x) < n) return 1;
	if(x * (m - x) > n) return 2;
}
int main(){
	int k;
	cin >> k;
	while(k--){
		long long  e, d,p=0,q=0;
		scanf("%lld%lld%lld",&n,&e,&d);
		m = n - e*d + 2;
		int l = 0, r = m;
		while(l < r){
			int mid = (l + r) >> 1;
			if(!check(mid)){
				if(mid > m - mid){
					p = (m - mid),q = mid;
				}else{
					p = mid;
					q = (m-mid);
				}
				printf("%lld %lld\n",p,q);
				break;
			}else if(check(mid)== 1){
				l = mid+1;
			}else{
				r = mid;
			}
		}
		if(!p && !q){
			printf("NO\n");
		}
	}
	return 0;
}

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