Submission #6350573
Source Code Expand
#include<bits/stdc++.h> using namespace std; #define ll long long ll cnt[39]; int main(){ string s; cin>>s; ll n=s.size(); for(int i=0;i<n;i++){ cnt[s[i]-'a']++; } ll 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 | 500 |
Code Size | 315 Byte |
Status | AC |
Exec Time | 8 ms |
Memory | 768 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
|
|
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 | 2 ms | 384 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 | AC | 8 ms | 640 KB |
subtask_1_09.txt | AC | 8 ms | 640 KB |
subtask_1_10.txt | AC | 8 ms | 640 KB |
subtask_1_11.txt | AC | 8 ms | 640 KB |
subtask_1_12.txt | AC | 8 ms | 640 KB |
subtask_1_13.txt | AC | 8 ms | 768 KB |
subtask_1_14.txt | AC | 8 ms | 640 KB |
subtask_1_15.txt | AC | 8 ms | 640 KB |
subtask_1_16.txt | AC | 8 ms | 640 KB |
subtask_1_17.txt | AC | 8 ms | 640 KB |