結果
問題 | No.1437 01 Sort |
ユーザー | tyawanmusi |
提出日時 | 2021-02-21 01:35:01 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 293 ms / 2,000 ms |
コード長 | 3,481 bytes |
コンパイル時間 | 2,650 ms |
コンパイル使用メモリ | 214,892 KB |
実行使用メモリ | 5,952 KB |
最終ジャッジ日時 | 2024-09-19 12:23:06 |
合計ジャッジ時間 | 6,353 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 291 ms
5,952 KB |
testcase_14 | AC | 285 ms
5,952 KB |
testcase_15 | AC | 65 ms
5,376 KB |
testcase_16 | AC | 264 ms
5,424 KB |
testcase_17 | AC | 143 ms
5,376 KB |
testcase_18 | AC | 238 ms
5,560 KB |
testcase_19 | AC | 192 ms
5,376 KB |
testcase_20 | AC | 138 ms
5,376 KB |
testcase_21 | AC | 280 ms
5,952 KB |
testcase_22 | AC | 293 ms
5,828 KB |
testcase_23 | AC | 285 ms
5,948 KB |
testcase_24 | AC | 286 ms
5,952 KB |
testcase_25 | AC | 274 ms
5,828 KB |
testcase_26 | AC | 264 ms
5,868 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using pll = pair<ll, ll>; using Graph = vector<vector<ll>>; using Graph_c = vector<vector<pll>>; #define INF32 2147483647LL #define INF 9223372036854775807LL #define all(x) x.begin(), x.end() #define len(x) (ll) x.size() #define name2(i, a, b, c, ...) c #define name3(i, a, b, c, d, ...) d #define name4(i, a, b, c, d, e, ...) e #define rep(...) name3(__VA_ARGS__, rep3, rep2, rep1)(__VA_ARGS__) #define rep1(i, a) for(ll i = 0, a_sub = a; i < a_sub; i++) #define rep2(i, a, b) for(ll i = a, b_sub = b; i < b_sub; i++) #define rep3(i, a, b, c) for(ll i = a, a_sub = a, b_sub = b, c_sub = c; (a_sub <= i && i < b_sub) or (a_sub >= i && i > b_sub); i += c_sub) #define each(...) name4(__VA_ARGS__, each4, each3, each2, each1)(__VA_ARGS__) #define each1(i, a) for(auto i : a) #define each2(i, j, a) for(auto [i, j] : a) #define each3(i, j, k, a) for(auto [i, j, k] : a) #define each4(i, j, k, l, a) for(auto [i, j, k, l] : a) #define sum(...) name2(__VA_ARGS__, sum2, tmp, sum1)(__VA_ARGS__) #define sum1(a) accumulate(all(a), 0LL) #define sum2(a, l, r) accumulate(a.begin() + l, a.begin() + min(r, len(a)), 0LL) #define pb push_back vector<pll> dxy4 = {{-1, 0}, {0, -1}, {0, 1}, {1, 0}}; vector<pll> dxy8 = {{-1, -1}, {-1, 0}, {-1, 1}, {0, -1}, {0, 1}, {1, -1}, {1, 0}, {1, 1}}; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); ll n, ans = INF; string s; cin >> n >> s; ll zero = 0, one = 0; vector<ll> bit; rep(i, n) { if(s[i] == '0') zero++; else { one++; bit.pb(i); bit.pb(i + n); bit.pb(i + n + n); } } sort(all(bit)); if(zero == n or zero == 0) { cout << 0 << endl; return 0; } vector<bool> out(n, true); if(s[0] == '1') { out[0] = false; rep(i, n - 1, -1, -1) { if(s[i] == '1') out[i] = false; else break; } } auto f = [n, one, bit, out](ll l1, ll l2) { ll sp_l = (l1 + one) % n, sp_r = n; if(sp_l == 0) sp_l = n; ll ansl = 0, ansr = 0; if(bit[l2] <= l1 + n) { if(sp_l <= (bit[l2] + n - 1) % n + 1 and (bit[l2] + n - 1) % n + 1 <= sp_r and out[bit[l2] % n]) ansl = l1 + n - bit[l2] - 1; else ansl = l1 + n - bit[l2]; } if(l1 + n + one - 1 < bit[l2 + one - 1]) { ll ng = -1, ok = one; while(ng + 1 != ok) { ll mid = (ng + ok) / 2; if(l1 + n + mid < bit[l2 + mid]) ok = mid; else ng = mid; } bool flag1 = true, flag2 = false; ll x = l1 + n + ok; if(x % n) x += n - (x % n); if(x <= l1 + n + one - 1) { if(l1 + n + ok <= bit[l2 + ok] and bit[l2 + ok] <= x) flag2 = true; x += n; } if(l1 + n + ok <= bit[l2 + ok] and bit[l2 + ok] <= x) flag1 = false; ansr = one - ok; ansr += flag1; ansr -= flag2; } return max(ansl, ansr); }; rep(l1, n) { ll anss = (n + n - l1 - one) % n, sp_l = (l1 + one) % n, sp_r = n; if(sp_l == 0) sp_l = n; ll ng = -1, ok = n; while(ng + 1 != ok) { ll mid = (ng + ok) / 2; ll x = l1 + n - mid - 1; if(not(sp_l <= (x + n - 1) % n + 1 and (x + n - 1) % n + 1 <= sp_r and out[x % n])) x++; ll l2 = lower_bound(all(bit), x) - bit.begin(); if(f(l1, l2) <= mid) ok = mid; else ng = mid; } ans=min(ans,anss+ok*n); } cout<<ans<<endl; }