Created
April 2, 2023 18:01
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#ifdef DEBUG | |
#include "debug.h" | |
#endif // DEBUG | |
#ifndef DEBUG | |
template <typename T> | |
void debug(T &x){} | |
#endif // DEBUG | |
#include <bits/stdc++.h> | |
using namespace std; | |
int main(){ | |
cin.tie(nullptr), ios::sync_with_stdio(false); | |
int t; | |
cin >> t; | |
while(t--){ | |
int n, m; | |
cin >> n >> m; | |
vector <long long int> k(n); | |
for(int i = 0; i < n; i++) cin >> k[i]; | |
sort(k.begin(), k.end()); | |
for(int i = 0; i < m; i++){ | |
long long int a, b, c; | |
cin >> a >> b >> c; | |
long long int ans; | |
bool flag = false; | |
auto it = lower_bound(k.begin(), k.end(), b); | |
if(it != k.end()){ | |
long long int val = *it; | |
if((b - val) * (b - val) - 4 * a * c < 0) flag = true, ans = val; | |
} | |
if(it != k.begin()){ | |
it--; | |
long long int val = *it; | |
if((b - val) * (b - val) - 4 * a * c < 0) flag = true, ans = val; | |
} | |
if(flag) cout << "YES\n" << ans << "\n"; | |
else cout << "NO\n"; | |
} | |
} | |
} |
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