結果
問題 | No.1433 Two color sequence |
ユーザー | hirono999 |
提出日時 | 2021-03-19 22:03:34 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 353 ms / 2,000 ms |
コード長 | 5,747 bytes |
コンパイル時間 | 10,843 ms |
コンパイル使用メモリ | 281,664 KB |
最終ジャッジ日時 | 2025-01-19 18:30:58 |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 21 |
ソースコード
#pragma GCC target("avx2")#pragma GCC optimize("O3")#pragma GCC optimize("unroll-loops")#include <bits/stdc++.h>constexpr long long INF = 1LL << 60;double PI = acos(-1.0);#define rep(i, n) for (ll i = 0; i < (n); ++i)#define rep1(i, n) for (ll i = 1; i <= (n); ++i)#define rrep(i, n) for (ll i = (n - 1); i >= 0; --i)#define perm(c) sort(ALL(c));for(bool c##p=1;c##p;c##p=next_permutation(ALL(c)))#define ALL(obj) (obj).begin(), (obj).end()#define RALL(obj) (obj).rbegin(), (obj).rend()#define pb push_back#define to_s to_string#define len(v) (ll)v.size()#define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end())#define print(x) cout << (x) << '\n'#define drop(x) cout << (x) << '\n', exit(0)#define debug(x) cout << #x << ": " << (x) << '\n'using namespace std;typedef long long ll;typedef unsigned long long ull;typedef long double ld;typedef pair<ll, ll> P;typedef tuple<ll, ll, ll> tpl;typedef vector<ll> vec;typedef vector<vector<ll>> vec2;typedef vector<vector<vector<ll>>> vec3;template<class S, class T> inline bool chmax(S &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }template<class S, class T> inline bool chmin(S &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }inline ll msb(ll v) { return 1LL << (63 - __builtin_clzll(v)); }inline ll devc(ll x, ll y) { return ceil(ld(x) / y); }inline ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; }inline ll lcm(ll a, ll b) { return a * (b / gcd(a, b)); }struct IoSetup {IoSetup() {cin.tie(nullptr);ios::sync_with_stdio(false);cout << fixed << setprecision(10);cerr << fixed << setprecision(10);}} iosetup;template< typename T1, typename T2 >ostream &operator << (ostream &os, const pair< T1, T2 > &p) {os << p.first << " " << p.second;return os;}template< typename T1, typename T2 >istream &operator >> (istream &is, pair< T1, T2 > &p) {is >> p.first >> p.second;return is;}template< typename T1, typename T2, typename T3 >ostream &operator << (ostream &os, const tuple< T1, T2, T3 > &t) {os << get<0>(t) << " " << get<1>(t) << " " << get<2>(t);return os;}template< typename T1, typename T2, typename T3 >istream &operator >> (istream &is, tuple< T1, T2, T3 > &t) {is >> get<0>(t) >> get<1>(t) >> get<2>(t);return is;}template< typename T >ostream &operator << (ostream &os, const vector< T > &v){for (int i = 0; i < (int)v.size(); ++i) {os << v[i] << (i + 1 != v.size() ? " " : "");}return os;}template< typename T >istream &operator >> (istream &is, vector< T > &v){for(T &in : v) is >> in;return is;}template< typename T >ostream &operator << (ostream &os, const set< T > &st){int ct = 0;for(auto& s : st) cout << s << (++ct != st.size() ? " " : "");return os;}template <typename T>constexpr set<T> &operator|= (set<T> &st1, const set<T> &st2) {for(auto& s : st2) st1.insert(s);return st1;}template <typename T>constexpr set<T> &operator-= (set<T> &st1, const set<T> &st2) {for(auto& s : st2) if(st1.count(s)) st1.erase(s);return st1;}template <typename T>constexpr set<T> &operator&= (set<T> &st1, const set<T> &st2) {auto itr = st1.begin();while(itr != st1.end()){if(!st2.count(*itr)) itr = st1.erase(itr);else ++itr;}return st1;}template <typename T>constexpr set<T> operator| (const set<T> &st1, const set<T> &st2) {set<T> res = st1;res |= st2;return res;}template <typename T>constexpr set<T> operator- (const set<T> &st1, const set<T> &st2) {set<T> res = st1;res -= st2;return res;}template <typename T>constexpr set<T> operator& (const set<T> &st1, const set<T> &st2) {set<T> res = st1;res &= st2;return res;}/*--------------------------------- Tools ------------------------------------------*/template< typename T >vector<T> cumsum(const vector<T> &X){vector<T> res(X.size() + 1, 0);for(int i = 0; i < X.size(); ++i) res[i + 1] += res[i] + X[i];return res;}template< typename S, typename T, typename F>pair<T, T> bisearch(S left, T right, F f) {while(abs(right - left) > 1){T mid = (right + left) / 2;if(f(mid)) right = mid;else left = mid;}return {left, right};}template< typename S, typename T, typename F>double trisearch(S left, T right, F f, int maxLoop = 90){double low = left, high = right;while(maxLoop--){double mid_left = high / 3 + low * 2 / 3;double mid_right = high * 2 / 3 + low / 3;if(f(mid_left) >= f(mid_right)) low = mid_left;else high = mid_right;}return (low + high) * 0.5;}template< typename F >ll findMinimum(ll L, ll R, F f) { //[L, R)ll lo = L - 1, hi = R - 1;while (lo + 1 != hi) {ll mi = (lo + hi) / 2;if (f(mi) <= f(mi + 1)) hi = mi;else lo = mi;}return hi;}ll solve(vec& A){multiset<ll> score;ll cum = 0;score.insert(0);for(auto a : A) cum += a, score.insert(cum);cum = 0;ll ans = 0;for(auto a : A){score.erase(score.find(cum));chmax(ans, *score.rbegin() - cum);cum += a;}return ans;}// #include <atcoder/all>// using namespace atcoder;constexpr long long MOD = 1000000007;/*------------------------------- Main Code Here -----------------------------------------*/int main(){ll N;cin >> N;string S;cin >> S;vec A(N);cin >> A;vec X = A, Y = A;rep(i, N){if(S[i] == 'B') X[i] *= -1;else Y[i] *= -1;}print(max(solve(X), solve(Y)));return 0;}