Submission #60060472

Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

string s;
int n;
bool flag[30];
int main()
{
	cin>>s;
	n=s.size();
	if(n&1)
	{
		cout<<"No\n";
		return 0;
	}
	for(int i=0;i<n;i+=2)
	{
		if(s[i]!=s[i+1]||flag[s[i]-'a'])
		{
			cout<<"No\n";
			return 0;
		 } 
		else
		{
			flag[s[i]-'a']=1;
		}
	}
	cout<<"Yes\n";
	return 0;
}

Submission Info

Submission Time
Task B - 1122 String
User lichaozhe2022
Language C++ 20 (gcc 12.2)
Score 150
Code Size 384 Byte
Status AC
Exec Time 1 ms
Memory 3572 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 150 / 150
Status
AC × 3
AC × 25
Set Name Test Cases
Sample example_00.txt, example_01.txt, example_02.txt
All example_00.txt, example_01.txt, example_02.txt, hand_00.txt, hand_01.txt, hand_02.txt, hand_03.txt, hand_04.txt, hand_05.txt, hand_06.txt, random_00.txt, random_01.txt, random_02.txt, random_03.txt, random_04.txt, random_05.txt, random_06.txt, random_07.txt, random_08.txt, random_09.txt, random_10.txt, random_11.txt, random_12.txt, random_13.txt, random_14.txt
Case Name Status Exec Time Memory
example_00.txt AC 1 ms 3468 KiB
example_01.txt AC 1 ms 3464 KiB
example_02.txt AC 1 ms 3516 KiB
hand_00.txt AC 1 ms 3468 KiB
hand_01.txt AC 1 ms 3464 KiB
hand_02.txt AC 1 ms 3568 KiB
hand_03.txt AC 1 ms 3500 KiB
hand_04.txt AC 1 ms 3468 KiB
hand_05.txt AC 1 ms 3440 KiB
hand_06.txt AC 1 ms 3404 KiB
random_00.txt AC 1 ms 3448 KiB
random_01.txt AC 1 ms 3572 KiB
random_02.txt AC 1 ms 3484 KiB
random_03.txt AC 1 ms 3476 KiB
random_04.txt AC 1 ms 3476 KiB
random_05.txt AC 1 ms 3500 KiB
random_06.txt AC 1 ms 3504 KiB
random_07.txt AC 1 ms 3460 KiB
random_08.txt AC 1 ms 3528 KiB
random_09.txt AC 1 ms 3524 KiB
random_10.txt AC 1 ms 3440 KiB
random_11.txt AC 1 ms 3528 KiB
random_12.txt AC 1 ms 3472 KiB
random_13.txt AC 1 ms 3516 KiB
random_14.txt AC 1 ms 3464 KiB