Submission #6350543


Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int cnt[39];

int main(){
  string s;
  cin>>s;
  int n=s.size();
  for(int i=0;i<n;i++){
    cnt[s[i]-'a']++;
  }
  int sum=0;
  for(int i=0;i<27;i++){
    sum+=cnt[i]*(cnt[i]-1)/2;
  }
  cout<<n*(n-1)/2-sum+1<<endl;
  return(0);
}

Submission Info

Submission Time
Task B - Reverse and Compare
User r1705
Language C++14 (GCC 5.4.1)
Score 0
Code Size 296 Byte
Status WA
Exec Time 8 ms
Memory 640 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
AC × 3
AC × 15
WA × 8
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All 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 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 8 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 1 ms 256 KB
subtask_1_07.txt AC 2 ms 256 KB
subtask_1_08.txt WA 8 ms 640 KB
subtask_1_09.txt WA 8 ms 640 KB
subtask_1_10.txt WA 8 ms 640 KB
subtask_1_11.txt WA 8 ms 640 KB
subtask_1_12.txt WA 8 ms 640 KB
subtask_1_13.txt WA 8 ms 640 KB
subtask_1_14.txt AC 8 ms 640 KB
subtask_1_15.txt WA 8 ms 640 KB
subtask_1_16.txt AC 8 ms 640 KB
subtask_1_17.txt WA 8 ms 640 KB