Submission #2861205
Source Code Expand
#include<bits/stdc++.h> #define ALL(c) (c).begin(),(c).end() #define EACH(i,c) for(auto i=(c).begin();i!=(c).end();++i) using namespace std; #define int long long int sqrtb(int a) { int l = 0, u = (int)2e+9; while(u - l > 1) { int c = (l + u) / 2; if (c * c <= a) { l = c; } else { u = c; } } return l; } signed main(){ int Q; cin >> Q; for(int i = 0; i < Q; ++i) { int A, B; cin >> A >> B; if(A > B) swap(A,B); int M = A * B - 1; int L = (int)sqrtb(M); int t = 2 * L - (L * L == M); if(A <= L) { --t; } cout << t << endl; } return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Worst Case |
User | blue_jam |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 619 Byte |
Status | WA |
Exec Time | 1 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 700 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | s1.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, s1.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 1 ms | 256 KB |
02.txt | WA | 1 ms | 256 KB |
03.txt | AC | 1 ms | 256 KB |
04.txt | WA | 1 ms | 256 KB |
05.txt | WA | 1 ms | 256 KB |
06.txt | WA | 1 ms | 256 KB |
07.txt | WA | 1 ms | 256 KB |
08.txt | WA | 1 ms | 256 KB |
09.txt | WA | 1 ms | 256 KB |
10.txt | WA | 1 ms | 256 KB |
11.txt | WA | 1 ms | 256 KB |
s1.txt | WA | 1 ms | 256 KB |