Submission #3792569
Source Code Expand
/** * File : A.cpp * Author : Kazune Takahashi * Created : 2018-12-15 21:01:22 * Powered by Visual Studio Code */ #include <iostream> #include <iomanip> // << fixed << setprecision(xxx) #include <algorithm> // do { } while ( next_permutation(A, A+xxx) ) ; #include <vector> #include <string> // to_string(nnn) // substr(m, n) // stoi(nnn) #include <complex> #include <tuple> #include <queue> #include <stack> #include <map> // if (M.find(key) != M.end()) { } #include <set> #include <functional> #include <random> // auto rd = bind(uniform_int_distribution<int>(0, 9), mt19937(19920725)); #include <chrono> // std::chrono::system_clock::time_point start_time, end_time; // start = std::chrono::system_clock::now(); // double elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(end_time-start_time).count(); #include <cctype> #include <cassert> #include <cmath> #include <cstdio> #include <cstdlib> using namespace std; #define DEBUG 0 // change 0 -> 1 if we need debug. typedef long long ll; // const int dx[4] = {1, 0, -1, 0}; // const int dy[4] = {0, 1, 0, -1}; // const int C = 1e6+10; // const ll M = 1000000007; string S; int main() { cin >> S; ll ans = 0; ll black = 0; for (auto x : S) { if (x == 'B') { black++; } else { ans += black; } } cout << ans << endl; }
Submission Info
Submission Time | |
---|---|
Task | A - Irreversible operation |
User | kazunetakahashi |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 1408 Byte |
Status | AC |
Exec Time | 8 ms |
Memory | 640 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample01.txt, sample02.txt |
All | sample01.txt, sample02.txt, in01.txt, in02.txt, in03.txt, in04.txt, in05.txt, in06.txt, in07.txt, in08.txt, in09.txt, in10.txt, sample01.txt, sample02.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in01.txt | AC | 8 ms | 640 KB |
in02.txt | AC | 8 ms | 640 KB |
in03.txt | AC | 8 ms | 640 KB |
in04.txt | AC | 8 ms | 640 KB |
in05.txt | AC | 8 ms | 640 KB |
in06.txt | AC | 8 ms | 640 KB |
in07.txt | AC | 8 ms | 640 KB |
in08.txt | AC | 8 ms | 640 KB |
in09.txt | AC | 8 ms | 640 KB |
in10.txt | AC | 8 ms | 640 KB |
sample01.txt | AC | 1 ms | 256 KB |
sample02.txt | AC | 1 ms | 256 KB |