Submission #2388253
Source Code Expand
#include<iostream> #include<vector> #include<queue> #include<deque> #include<stack> #include<cstdio> #include<utility> #include<algorithm> using std::cout; using std::cin; using std::endl; int main(void){ std::string s; cin >> s; long long answer = s.size() * (s.size() - 1) / 2; //cout << "first answer:" << answer << endl; for (char i = 'a'; i <= 'z'; i++) { int count = 0; for (int j = 0; j < s.size();j++){ if(s[j]==i){ count++; } } answer -= count * (count - 1) / 2; } cout << answer+1 << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Reverse and Compare |
User | arc |
Language | C++14 (Clang 3.8.0) |
Score | 0 |
Code Size | 659 Byte |
Status | WA |
Exec Time | 11 ms |
Memory | 832 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 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 | WA | 11 ms | 832 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 | 11 ms | 832 KB |
subtask_1_09.txt | WA | 11 ms | 832 KB |
subtask_1_10.txt | WA | 11 ms | 832 KB |
subtask_1_11.txt | AC | 11 ms | 832 KB |
subtask_1_12.txt | WA | 11 ms | 832 KB |
subtask_1_13.txt | WA | 11 ms | 832 KB |
subtask_1_14.txt | WA | 11 ms | 832 KB |
subtask_1_15.txt | WA | 11 ms | 832 KB |
subtask_1_16.txt | WA | 11 ms | 832 KB |
subtask_1_17.txt | AC | 11 ms | 832 KB |