Task: | Pinta-ala |
Sender: | cppbetter |
Submission time: | 2023-01-21 14:25:50 +0200 |
Language: | C++ (C++20) |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 100 |
test | verdict | time | |
---|---|---|---|
#1 | ACCEPTED | 0.00 s | details |
#2 | ACCEPTED | 0.00 s | details |
#3 | ACCEPTED | 0.00 s | details |
Code
// a+1 b+1 = a+b = B- 1 - A#include <iostream>#include <vector>#include <tuple>#include <cmath>bool crosses(double c, double a){// (a+1) (b+1) = B// ab+a+b+1 = B// a+b= B-A-1// A/b=B- A- 1-b// A=-b^2+(B- A- 1)b// 0=-b^2+(B- A- 1)b-A// b = (-c+-sqrt(c^2-4*(-1)*(-A))))/(2*-1)double delta = c*c-4*(-1)*(-a);if(delta >= 0 && ( (-c + sqrt(delta)) / (-2) > 0 || (-c - sqrt(delta)) / (-2) > 0))return true;return false;}int main(){int t;std::cin >> t;std::vector<bool> yesNo;for(int i = 0; i < t; i++){int a, b;std::cin >> a >> b;yesNo.push_back(crosses(b - a - 1, a));}for(auto a : yesNo){if(a)std::cout << "YES\n";elsestd::cout << "NO\n";}}
Test details
Test 1
Verdict: ACCEPTED
input |
---|
1000 578049 731905 262997 434601 559974 650052 458543 101143 ... |
correct output |
---|
YES YES YES NO NO ... |
user output |
---|
YES YES YES NO NO ... Truncated |
Test 2
Verdict: ACCEPTED
input |
---|
1000 10000 9500 10000 9501 10000 9502 10000 9503 ... |
correct output |
---|
NO NO NO NO NO ... |
user output |
---|
NO NO NO NO NO ... Truncated |
Test 3
Verdict: ACCEPTED
input |
---|
961 1 1 1 2 1 3 1 4 ... |
correct output |
---|
NO NO NO YES YES ... |
user output |
---|
NO NO NO YES YES ... Truncated |