Submission #2403323


Source Code Expand

#include<stdio.h>
#include<vector>
#include<algorithm>
#include<string>
#include<iostream>
#include<set>
using namespace std;
typedef long long ll;
int main()
{
	int query;
	scanf("%d", &query);
	for (int p = 0; p < query; p++)
	{
		ll a, b;
		scanf("%lld%lld", &a, &b);
		if (a > b)swap(a, b);
		if (a == b || a + 1 == b)printf("%lld\n", a + a - 2);
		else
		{
			ll beg = 0, end = 1010101010LL;
			for (;;)
			{
				if (beg == end)break;
				ll med = (beg + end + 1) / 2;
				if (med*med >= a*b)end = med - 1;
				else beg = med;
			}
			if (beg*(beg + 1) < a*b)printf("%lld\n", beg + beg - 1);
			else printf("%lld\n", beg + beg - 2);
		}
	}
}

Submission Info

Submission Time
Task D - Worst Case
User DEGwer
Language C++14 (GCC 5.4.1)
Score 700
Code Size 680 Byte
Status AC
Exec Time 1 ms
Memory 256 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &query);
                     ^
./Main.cpp:16:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld", &a, &b);
                            ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 700 / 700
Status
AC × 1
AC × 12
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 AC 1 ms 256 KB
03.txt AC 1 ms 256 KB
04.txt AC 1 ms 256 KB
05.txt AC 1 ms 256 KB
06.txt AC 1 ms 256 KB
07.txt AC 1 ms 256 KB
08.txt AC 1 ms 256 KB
09.txt AC 1 ms 256 KB
10.txt AC 1 ms 256 KB
11.txt AC 1 ms 256 KB
s1.txt AC 1 ms 256 KB