結果
問題 | No.559 swapAB列 |
ユーザー | ux |
提出日時 | 2024-03-03 04:17:37 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 3,801 bytes |
コンパイル時間 | 2,141 ms |
コンパイル使用メモリ | 228,336 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-09-29 16:43:26 |
合計ジャッジ時間 | 2,660 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 2 ms
6,820 KB |
testcase_03 | AC | 2 ms
6,820 KB |
testcase_04 | AC | 2 ms
6,816 KB |
testcase_05 | AC | 2 ms
6,816 KB |
testcase_06 | AC | 2 ms
6,816 KB |
testcase_07 | AC | 2 ms
6,820 KB |
testcase_08 | AC | 2 ms
6,820 KB |
testcase_09 | AC | 2 ms
6,820 KB |
ソースコード
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> // tree #include <ext/pb_ds/tree_policy.hpp> // tree /* // 多倍長整数 #include <boost/multiprecision/cpp_dec_float.hpp> #include <boost/multiprecision/cpp_int.hpp> using namespace boost::multiprecision; using Bint = cpp_int; */ using namespace std; using namespace __gnu_pbds; // tree #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") using ll = long long; using ld = long double; using vi = vector<int>; using vl = vector<long long>; using vc = vector<char>; using vs = vector<string>; using vb = vector<bool>; using vd = vector<double>; using vld = vector<long double>; using vvi = vector<vector<int>>; using vvl = vector<vector<long long>>; using vvc = vector<vector<char>>; using vvs = vector<vector<string>>; using vvb = vector<vector<bool>>; using vvd = vector<vector<double>>; using vvld = vector<vector<long double>>; using vpii = vector<pair<int, int>>; using vpll = vector<pair<long long, long long>>; using vpcc = vector<pair<char, char>>; using vpss = vector<pair<string, string>>; using sti = set<int>; using stl = set<long, long>; using stc = set<char>; using sts = set<string>; using primax_int = priority_queue<int>; using primin_int = priority_queue<int, vector<int>, greater<int>>; using primax_ll = priority_queue<ll>; using primin_ll = priority_queue<ll, vector<ll>, greater<ll>>; using primax_char = priority_queue<char>; using primin_char = priority_queue<char, vector<char>, greater<char>>; using primax_string = priority_queue<string>; using primin_string = priority_queue<string, vector<string>, greater<string>>; using tree_int = tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>; using tree_ll = tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update>; using tree_char = tree<char, null_type, less<char>, rb_tree_tag, tree_order_statistics_node_update>; using tree_string = tree<string, null_type, less<string>, rb_tree_tag, tree_order_statistics_node_update>; #define endl "\n" #define YES printf("YES\n"); #define Yes printf("Yes\n"); #define NO printf("NO\n"); #define No printf("No\n"); #define rep0(i, n) for (int i = 0; i < (int)(n); i++) #define rep1(i, n) for (int i = 1; i <= (int)(n); i++) #define ALL(f,x,...) ([&](decltype((x)) whole) { return (f)(begin(whole), end(whole), ## __VA_ARGS__); })(x) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() const int INF = 1e9; const int MININF = -1e9; const ll LINF = 1e18; const ll MINLINF = -1e18; const int MOD = 1e9 + 7; const int MODD = 998244353; const char MARU = 'o'; const char BATU = 'x'; // 8方向(4方向ならN=4で止め。) vi vx = {0, 1, 0, -1, 1, -1, 1, -1}; vi vy = {1, 0, -1, 0, 1, -1, -1, 1}; template <class T> bool chmax(T &a, const T& b){ if(a < b){a = b;return true;} return false; } template <typename T> bool chmin(T &a, const T& b){ if(a > b){a = b;return true;} return false; } // 切り捨て(A/B以下の最大の整数) template <class T> T div_floor(T a, T b) { if (b < 0) a = -a, b = -b; return a >= 0 ? a / b : (a + 1) / b - 1; } // 切り上げ(A/B以上の最小の整数) template <class T> T div_ceil(T a, T b) { if (b < 0) a = -a, b = -b; return a > 0 ? (a - 1) / b + 1 : a / b; } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); string S; cin>>S; int ans=0; rep0(i,S.size()){ if(S[i]=='A')continue; int index=i+1; while(S[index]!='A' && index<S.size()){ index++; } if(index==S.size())break; ans+=(index-i); swap(S[i],S[index]); } cout<<ans<<endl; }