結果
問題 | No.2035 Tunnel |
ユーザー | miscalc |
提出日時 | 2022-08-12 22:06:14 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 10 ms / 2,000 ms |
コード長 | 3,267 bytes |
コンパイル時間 | 4,629 ms |
コンパイル使用メモリ | 264,272 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-23 02:38:56 |
合計ジャッジ時間 | 5,691 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | 1 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 10 ms
5,376 KB |
testcase_06 | AC | 9 ms
5,376 KB |
testcase_07 | AC | 9 ms
5,376 KB |
testcase_08 | AC | 8 ms
5,376 KB |
testcase_09 | AC | 9 ms
5,376 KB |
testcase_10 | AC | 9 ms
5,376 KB |
testcase_11 | AC | 8 ms
5,376 KB |
testcase_12 | AC | 9 ms
5,376 KB |
testcase_13 | AC | 3 ms
5,376 KB |
testcase_14 | AC | 4 ms
5,376 KB |
testcase_15 | AC | 9 ms
5,376 KB |
testcase_16 | AC | 7 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 4 ms
5,376 KB |
testcase_20 | AC | 9 ms
5,376 KB |
testcase_21 | AC | 5 ms
5,376 KB |
testcase_22 | AC | 5 ms
5,376 KB |
testcase_23 | AC | 3 ms
5,376 KB |
testcase_24 | AC | 5 ms
5,376 KB |
testcase_25 | AC | 7 ms
5,376 KB |
testcase_26 | AC | 7 ms
5,376 KB |
testcase_27 | AC | 9 ms
5,376 KB |
testcase_28 | AC | 5 ms
5,376 KB |
testcase_29 | AC | 3 ms
5,376 KB |
testcase_30 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using pll = pair<ll, ll>; using tlll = tuple<ll, ll, ll>; constexpr ll INF = 1LL << 60; template<class T> bool chmin(T& a, T b) {if (a > b) {a = b; return true;} return false;} template<class T> bool chmax(T& a, T b) {if (a < b) {a = b; return true;} return false;} ll safemod(ll A, ll M) {ll res = A % M; if (res < 0) res += M; return res;} ll divfloor(ll A, ll B) {if (B < 0) {return divfloor(-A, -B);} return (A - safemod(A, B)) / B;} ll divceil(ll A, ll B) {if (B < 0) {return divceil(-A, -B);} return divfloor(A + B - 1, B);} ll pow_ll(ll A, ll B) {if (A == 0 || A == 1) {return A;} if (A == -1) {return B & 1 ? -1 : 1;} ll res = 1; for (int i = 0; i < B; i++) {res *= A;} return res;} ll logfloor(ll A, ll B) {assert(A >= 2); ll res = 0; for (ll tmp = 1; tmp <= B / A; tmp *= A) {res++;} return res;} ll logceil(ll A, ll B) {assert(A >= 2); ll res = 0; for (ll tmp = 1; tmp < B; tmp *= A) {res++;} return res;} ll arisum_ll(ll a, ll d, ll n) { return n * a + (n & 1 ? ((n - 1) >> 1) * n : (n >> 1) * (n - 1)) * d; } ll arisum2_ll(ll a, ll l, ll n) { return n & 1 ? ((a + l) >> 1) * n : (n >> 1) * (a + l); } ll arisum3_ll(ll a, ll l, ll d) { assert((l - a) % d == 0); return arisum2_ll(a, l, (l - a) / d + 1); } template<class T> void unique(vector<T> &V) {V.erase(unique(V.begin(), V.end()), V.end());} template<class T> void sortunique(vector<T> &V) {sort(V.begin(), V.end()); V.erase(unique(V.begin(), V.end()), V.end());} #define FINALANS(A) do {cout << (A) << '\n'; exit(0);} while (false) template<class T> void printvec(const vector<T> &V) {int _n = V.size(); for (int i = 0; i < _n; i++) cout << V[i] << (i == _n - 1 ? "" : " ");cout << '\n';} template<class T> void printvect(const vector<T> &V) {for (auto v : V) cout << v << '\n';} template<class T> void printvec2(const vector<vector<T>> &V) {for (auto &v : V) printvec(v);} //* #include <atcoder/all> using namespace atcoder; using mint = modint998244353; //using mint = modint1000000007; //using mint = modint; //*/ ll slow(ll N, string S) { ll ans = 0; while (S != string(N, '.')) { string T(N, '.'); for (ll i = 0; i < N - 1; i++) { if (S.at(i) == '#') { if (S.at(i + 1) == '#') T.at(i) = '#'; else T.at(i) = '.', T.at(i + 1) = '#'; } } S = T; ans++; } return ans; } ll solve(ll N, string S) { ll tmp = 0, cnt = 1, idx = -1; for (ll i = N - 1; i >= 0; i--) { if (S.at(i) == '#') { idx = i; tmp -= cnt - 1; chmax(tmp, 0LL); cnt = 0; } else cnt++; } return tmp + (N - idx); } int main() { /* srand((unsigned)time(NULL)); for (ll t = 0; t < 500; t++) { ll N = 1 + rand() % 10; string S(N, '.'); for (ll i = 0; i < N; i++) { if (rand() % 2 == 0) S.at(i) = '#'; } if (S == string(N, '.')) continue; ll ans = slow(N, S), ans2 = solve(N, S); if (ans != ans2) { cout << N << endl; cout << S << endl; cout << ans << " " << ans2 << endl; return 0; } cerr << t << endl; } //*/ //* ll N; cin >> N; string S; cin >> S; cout << solve(N, S) << endl; //*/ }