AtCoder Grand Contest 019

Submission #4023419

Source codeソースコード

#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

Task問題 B - Reverse and Compare
User nameユーザ名 vaibhav_garg
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 500
Source lengthソースコード長 684 Byte
File nameファイル名
Exec time実行時間 18 ms
Memory usageメモリ使用量 640 KB

Test case

Set

Set name Score得点 / Max score Cases
Sample - 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

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB
subtask_1_01.txt AC 1 ms 256 KB
subtask_1_02.txt AC 17 ms 640 KB
subtask_1_03.txt AC 1 ms 256 KB
subtask_1_04.txt AC 1 ms 256 KB
subtask_1_05.txt AC 1 ms 256 KB
subtask_1_06.txt AC 2 ms 256 KB
subtask_1_07.txt AC 3 ms 256 KB
subtask_1_08.txt AC 18 ms 640 KB
subtask_1_09.txt AC 18 ms 640 KB
subtask_1_10.txt AC 18 ms 640 KB
subtask_1_11.txt AC 18 ms 640 KB
subtask_1_12.txt AC 17 ms 640 KB
subtask_1_13.txt AC 18 ms 640 KB
subtask_1_14.txt AC 17 ms 640 KB
subtask_1_15.txt AC 17 ms 640 KB
subtask_1_16.txt AC 17 ms 640 KB
subtask_1_17.txt AC 17 ms 640 KB