Submission #4023419


Source Code Expand

Copy
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define x first
#define y second
#define fast() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define pie   3.141592653589793238462643383279502884L
ll mod = 998244353;
ll powerMod(ll a,ll n){
  if(n==0)
    return 1;
  ll res = powerMod((a%mod*a%mod)%mod,n/2)%mod;
  if(n%2)
  return (a%mod*res%mod)%mod;
  return res; 
} 

int main(){
  string s;
  cin >> s;
  ll ans = 1;
  ll h[26] = {0};
  for(ll i = 0; i < s.size(); i++){
    for(ll j = 0; j < 26; j++)
      if(s[i]!=j+'a' && h[j])
        ans+=h[j];
      h[s[i] - 'a']++;
  }
  cout << ans;



  return 0;   
}

Submission Info

Submission Time
Task B - Reverse and Compare
User vaibhav_garg
Language C++14 (GCC 5.4.1)
Score 500
Code Size 684 Byte
Status
Exec Time 18 ms
Memory 640 KB

Judge Result

Set Name Score / Max Score Test Cases
Sample 0 / 0 sample_01.txt, sample_02.txt, sample_03.txt
All 500 / 500 sample_01.txt, sample_02.txt, sample_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_16.txt, subtask_1_17.txt
Case Name Status Exec Time Memory
sample_01.txt 1 ms 256 KB
sample_02.txt 1 ms 256 KB
sample_03.txt 1 ms 256 KB
subtask_1_01.txt 1 ms 256 KB
subtask_1_02.txt 17 ms 640 KB
subtask_1_03.txt 1 ms 256 KB
subtask_1_04.txt 1 ms 256 KB
subtask_1_05.txt 1 ms 256 KB
subtask_1_06.txt 2 ms 256 KB
subtask_1_07.txt 3 ms 256 KB
subtask_1_08.txt 18 ms 640 KB
subtask_1_09.txt 18 ms 640 KB
subtask_1_10.txt 18 ms 640 KB
subtask_1_11.txt 18 ms 640 KB
subtask_1_12.txt 17 ms 640 KB
subtask_1_13.txt 18 ms 640 KB
subtask_1_14.txt 17 ms 640 KB
subtask_1_15.txt 17 ms 640 KB
subtask_1_16.txt 17 ms 640 KB
subtask_1_17.txt 17 ms 640 KB