Submission #20144481

Source Code Expand

#include<cstdio>
#include<iostream>
#include<algorithm>
#include<cstring>
#include<string>
#include<cmath>
#include<queue>
#include<map>
#include<bitset>
#include<deque>
#include<cstdlib>
#include<set>
#include<ctime>
#define ll long long
#define mp make_pair
using namespace std;
ll read()
{
	ll x=0,f=1;
	char c=getchar();
	while(c>'9'||c<'0')
	{
		if(c=='-') f=-1;
		c=getchar();
	}
	while(c>='0'&&c<='9')
	{
		x=x*10+c-'0';
		c=getchar();
	}
	return f*x;
}
int t,l,r;
ll ans; 
int main()
{
	t=read();
	while(t--)
	{
		ans=0;
		l=read(),r=read();
		ans=r-2*l+1; 
		if(ans<0) ans=0;
		cout<<ans*(ans+1)/2<<'\n';
//		cout<<ans<<'\n';
	}
	return 0;
 }

Submission Info

Submission Time
Task A - B = C
User MTS_zx
Language C++ (Clang 10.0.0)
Score 300
Code Size 700 Byte
Status AC
Exec Time 17 ms
Memory 3168 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 1
AC × 11
Set Name Test Cases
Sample sample.txt
All 00maxA.txt, 00maxB.txt, prefix.txt, random.txt, random_2.txt, random_3.txt, random_4.txt, sample.txt, small.txt, small_2.txt, suffix.txt
Case Name Status Exec Time Memory
00maxA.txt AC 15 ms 2940 KiB
00maxB.txt AC 13 ms 3168 KiB
prefix.txt AC 14 ms 2984 KiB
random.txt AC 14 ms 3096 KiB
random_2.txt AC 16 ms 3044 KiB
random_3.txt AC 14 ms 3104 KiB
random_4.txt AC 14 ms 3100 KiB
sample.txt AC 2 ms 3028 KiB
small.txt AC 17 ms 2996 KiB
small_2.txt AC 2 ms 3116 KiB
suffix.txt AC 14 ms 2952 KiB