CSES - Datatähti 2023 loppu - Results
Submission details
Task:Pinta-ala
Sender:stpn129
Submission time:2023-01-21 14:23:06 +0200
Language:C++ (C++17)
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED100
Test results
testverdicttime
#1ACCEPTED0.00 sdetails
#2ACCEPTED0.00 sdetails
#3ACCEPTED0.00 sdetails

Code

#include<bits/stdc++.h>
#define int long long
using namespace std;
void init_code(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
}
bool cmp (pair<int, int> a, pair<int, int> b) {
return a.second < b.second;
}
void solve() {
double a, b;
cin >> a >> b;
double val1 = b - a - 1;
double val2 = 2 * sqrt(a);
if (val1 >= val2) {
cout << "YES" << '\n';
} else {
cout << "NO" << '\n';
}
}
signed main() {
init_code();
int t = 1;
cin >> t;
while(t--){
solve();
}
return 0;
}
/*
cubbli-guest@dx5-cs-b221-09:~$ cd Code
cubbli-guest@dx5-cs-b221-09:~/Code$ ls
code code.cpp input.txt output.txt
cubbli-guest@dx5-cs-b221-09:~/Code$ g++ code.cpp -o code
cubbli-guest@dx5-cs-b221-09:~/Code$ ./code
Segmentation fault (core dumped)
cubbli-guest@dx5-cs-b221-09:~/Code$
double l = 0, r = sqrt(a), m = 0;
for (int i = 0; i < 120; ++i) {
m = (r + l) / 2;
if ((m + 1) * (a / m + 1) < b) {
r = m;
} else {
l = m;
}
}
if ((r + 1) * (a / r + 1) == b) {
cout << "YES" << '\n';
} else {
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