Submission #1793054
Source Code Expand
#include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using ld = long double; int main() { string s; cin >> s; map<char, ll> m; for(auto c : s) { m[c]++; } ll res = s.size() * (s.size() - 1) / 2 + 1; for(auto& p : m) { res -= p.second * (p.second - 1) / 2; } cout << res << endl; }
Submission Info
Submission Time | |
---|---|
Task | B - Reverse and Compare |
User | Suibaka |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 425 Byte |
Status | AC |
Exec Time | 13 ms |
Memory | 640 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 | 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 | AC | 13 ms | 640 KB |
subtask_1_09.txt | AC | 9 ms | 640 KB |
subtask_1_10.txt | AC | 10 ms | 640 KB |
subtask_1_11.txt | AC | 12 ms | 640 KB |
subtask_1_12.txt | AC | 9 ms | 640 KB |
subtask_1_13.txt | AC | 9 ms | 640 KB |
subtask_1_14.txt | AC | 8 ms | 640 KB |
subtask_1_15.txt | AC | 8 ms | 640 KB |
subtask_1_16.txt | AC | 9 ms | 640 KB |
subtask_1_17.txt | AC | 9 ms | 640 KB |