結果
| 問題 | No.78 クジ付きアイスバー |
| ユーザー |
 Konton7
|
| 提出日時 | 2020-10-19 17:46:39 |
| 言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 5,000 ms |
| コード長 | 11,521 bytes |
| コンパイル時間 | 2,597 ms |
| コンパイル使用メモリ | 222,620 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-07-21 08:00:12 |
| 合計ジャッジ時間 | 3,188 ms |
|
ジャッジサーバーID （参考情報） |
judge4 / 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 | 1 ms
5,376 KB |
| testcase_02 | AC | 1 ms
5,376 KB |
| testcase_03 | AC | 2 ms
5,376 KB |
| testcase_04 | AC | 2 ms
5,376 KB |
| testcase_05 | AC | 1 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 | 1 ms
5,376 KB |
| testcase_12 | AC | 1 ms
5,376 KB |
| testcase_13 | AC | 1 ms
5,376 KB |
| testcase_14 | AC | 2 ms
5,376 KB |
| testcase_15 | AC | 1 ms
5,376 KB |
| testcase_16 | AC | 2 ms
5,376 KB |
| testcase_17 | AC | 1 ms
5,376 KB |
| testcase_18 | AC | 2 ms
5,376 KB |
| testcase_19 | AC | 2 ms
5,376 KB |
| testcase_20 | AC | 2 ms
5,376 KB |
| testcase_21 | AC | 2 ms
5,376 KB |
| testcase_22 | AC | 2 ms
5,376 KB |
| testcase_23 | AC | 2 ms
5,376 KB |
| testcase_24 | AC | 2 ms
5,376 KB |
| testcase_25 | AC | 1 ms
5,376 KB |
| testcase_26 | AC | 2 ms
5,376 KB |
| testcase_27 | AC | 2 ms
5,376 KB |
| testcase_28 | AC | 2 ms
5,376 KB |
| testcase_29 | AC | 1 ms
5,376 KB |
| testcase_30 | AC | 2 ms
5,376 KB |
| testcase_31 | AC | 2 ms
5,376 KB |
| testcase_32 | AC | 1 ms
5,376 KB |
| testcase_33 | AC | 2 ms
5,376 KB |
| testcase_34 | AC | 2 ms
5,376 KB |
| testcase_35 | AC | 1 ms
5,376 KB |
| testcase_36 | AC | 1 ms
5,376 KB |
| testcase_37 | AC | 2 ms
5,376 KB |
| testcase_38 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h>
// #include <set>
// #include <vector>
// #include <ostream>
// #include <atcoder/notall>
using namespace std;
using ll = long long;
using VI = vector<int>;
using VL = vector<ll>;
using VD = vector<double>;
using VS = vector<string>;
using VB = vector<bool>;
using VVB = vector<vector<bool>>;
using VVI = vector<VI>;
using VVL = vector<VL>;
using VVD = vector<VD>;
using PII = std::pair<int, int>;
using VPII = std::vector<std::pair<int, int>>;
using PLL = std::pair<ll, ll>;
using VPLL = std::vector<std::pair<ll, ll>>;
using TI3 = std::tuple<int, int, int>;
using TI4 = std::tuple<int, int, int, int>;
using TL3 = std::tuple<ll, ll, ll>;
using TL4 = std::tuple<ll, ll, ll, ll>;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define repr(i, n) for (int i = (int)(n)-1; i >= 0; i--)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
#define repr2(i, g, n) for (int i = (int)(n)-1; i >= (g); i--)
#define rep3(i, s, n, d) for (int i = (s); i < (int)(n); i += (d))
#define allpt(v) (v).begin(), (v).end()
#define allpt_c(v) (v).cbegin(), (v).cend()
#define allpt_r(v) (v).rbegin(), (v).rend()
#define allpt_cr(v) (v).crbegin(), (v).crend()
const int mod1 = 1e9 + 7, mod2 = 998244353, mod3 = 1e9 + 9;
const int mod = mod1;
const ll inf = 1e18;
const string wsp = " ";
const string tb = "\t";
const string rt = "\n";
const string alphabets = "abcdefghijklmnopqrstuvwxyz";
template <typename T>
void show1dvec(const vector<T> &v) {
if (v.size() == 0) return;
int n = v.size() - 1;
rep(i, n) cout << v[i] << wsp;
cout << v[n] << rt;
return;
}
void show2dvec(const vector<string> &v) {
int n = v.size();
rep(i, n) cout << v[i] << rt;
}
template <typename T>
void show2dvec(const vector<vector<T>> &v) {
int n = v.size();
rep(i, n) show1dvec(v[i]);
}
template <typename T>
void range_sort(vector<T> &arr, int l, int r) {
sort(arr.begin() + l, arr.begin() + r);
}
template <typename T, typename S>
void show1dpair(const vector<pair<T, S>> &v) {
int n = v.size();
rep(i, n) cout << v[i].first << wsp << v[i].second << rt;
return;
}
template <typename T, typename S>
void pairzip(const vector<pair<T, S>> &v, vector<T> &t, vector<T> &s) {
int n = v.size();
rep(i, n) {
t.push_back(v[i].first);
s.push_back(v[i].second);
}
return;
}
template <typename T>
void maxvec(vector<T> &v) {
T s = v[0];
int n = v.size();
rep(i, n - 1) {
if (s > v[i + 1]) {
v[i + 1] = s;
}
s = v[i + 1];
}
}
template <typename T, typename S>
bool myfind(T t, S s) {
return find(t.cbegin(), t.cend(), s) != t.cend();
}
bool check(int y, int x, int h, int w) {
return 0 <= y && y < h && 0 <= x && x < w;
}
bool iskadomatsu(int a, int b, int c) {
return (a != b && b != c && c != a) &&
((a > b && b < c) || (a < b && b > c));
}
double euc_dist(PII a, PII b) {
return sqrt(pow(a.first - b.first, 2) + pow(a.second - b.second, 2));
}
VS split(string s, char c) {
VS ret;
string part;
s += c;
rep(i, s.length()) {
if (s[i] == c) {
if (part != "") ret.emplace_back(part);
part = "";
} else if (s[i] != c) {
part += s[i];
}
}
return ret;
}
template <typename T, typename S, typename R>
ll pow_mod(T p, S q, R mod = 1ll) {
ll ret = 1, r = p;
while (q) {
if (q % 2) ret *= r, ret %= mod;
r = (r * r) % mod, q /= 2;
}
return ret % mod;
}
template <typename T, typename S>
ll pow_no_mod(T p, S q) {
ll ret = 1, r = p;
while (q) {
if (q % 2) ret *= r;
r = (r * r), q /= 2;
}
return ret;
}
void make_frac_tables(VL &frac_list, VL &frac_inv_list) {
rep(i, frac_list.size() - 1) {
frac_list[i + 1] *= frac_list[i] * (i + 1);
frac_list[i + 1] %= mod;
frac_inv_list[i + 1] *= frac_inv_list[i] * pow_mod(i + 1, mod - 2, mod);
frac_inv_list[i + 1] %= mod;
}
}
pair<VL, VL> make_frac_tables(int n) {
VL frac_list(n + 1, 1), frac_inv_list(n + 1, 1);
rep(i, n) {
frac_list[i + 1] *= frac_list[i] * (i + 1);
frac_list[i + 1] %= mod;
frac_inv_list[i + 1] *= frac_inv_list[i] * pow_mod(i + 1, mod - 2, mod);
frac_inv_list[i + 1] %= mod;
}
return make_pair(frac_list, frac_inv_list);
}
ll comb(int a, int b, const VL &frac_list, const VL &frac_inv_list) {
if (a < b) return 0;
if (b < 0) return 0;
ll ret = frac_list[a];
ret *= frac_inv_list[b];
ret %= mod;
ret *= frac_inv_list[a - b];
ret %= mod;
return ret;
}
struct vec2d {
ll x;
ll y;
vec2d(ll _x, ll _y) {
x = _x;
y = _y;
}
ll dot(vec2d p) { return x * p.x + y * p.y; }
vec2d diff(vec2d p) { return vec2d(x - p.x, y - p.y); }
};
// void djkstra(int n, vector<vec2d> point_list, const VVL cost_list,
// const VVI &connect) {
// const ll llm = 1e18;
// VVL min_cost(n, VL(n, llm));
// min_cost[0][0] = 0;
// vector<PII> search = {make_pair(0, 0)};
// vector<PII> new_search;
// while (!search.empty()) {
// for (auto [p, q] : search) {
// for (auto r : connect[p]) {
// if (point_list[r]
// .diff(point_list[p])
// .dot(point_list[q].diff(point_list[p])) <= 0 &&
// min_cost[r][p] > cost_list[r][p] + min_cost[p][q]) {
// min_cost[r][p] = cost_list[r][p] + min_cost[p][q];
// new_search.emplace_back(make_pair(r, p));
// }
// }
// }
// search.clear();
// search = new_search;
// new_search.clear();
// // show1dvec(search);
// // show1dvec(shortest);
// }
// auto ans = *min_element(allpt_c(min_cost[1]));
// cout << ((ans == llm) ? -1 : ans) << rt;
// // show2dvec(min_cost);
// }
struct node {
int parent = -1;
ll weight = 0;
int depth = 0;
int subtree = 1;
VPII children;
VPII connect;
node(int n) {
parent = -1;
weight = 0;
depth = 0;
subtree = 1;
children;
connect;
}
};
struct graph {
int _n;
int root = 0;
vector<node> nodes;
graph(int n) {
_n = n;
rep(i, _n) nodes.emplace_back(node(_n));
}
void getconnect1() {
int a, b;
cin >> a >> b;
a--, b--;
nodes[a].connect.emplace_back(b, 0);
nodes[b].connect.emplace_back(a, 0);
}
void getconnect2() {
int a, b, c;
cin >> a >> b >> c;
a--, b--;
nodes[a].connect.emplace_back(b, c);
nodes[b].connect.emplace_back(a, c);
}
void showparent() {
rep(i, _n - 1) cout << nodes[i].parent << wsp;
cout << nodes[_n - 1].parent << rt;
}
void showweight() {
rep(i, _n - 1) cout << nodes[i].weight << wsp;
cout << nodes[_n - 1].weight << rt;
}
void showsubtree() {
rep(i, _n - 1) cout << nodes[i].subtree << wsp;
cout << nodes[_n - 1].subtree << rt;
}
void showdepth() {
rep(i, _n - 1) cout << nodes[i].depth << wsp;
cout << nodes[_n - 1].depth << rt;
}
};
struct point {
int x;
int y;
point() {
x = 0;
y = 0;
}
point(int _x, int _y) {
x = _x;
y = _y;
}
void pointinput() {
int _x, _y;
cin >> _x >> _y;
x = _x;
y = _y;
}
void pointinv() { swap(x, y); }
};
double pointseuc(point a, point b) {
return sqrt(pow(a.x - b.x, 2) + pow(a.y - b.y, 2));
}
int pointsmanhattan(point a, point b) {
return abs(a.x - b.x) + abs(a.y - b.y);
}
double dist_segment_point(TL3 segment, point p) {
double a = get<0>(segment);
double b = get<1>(segment);
double c = get<2>(segment);
return abs(a * p.x + b * p.y - c) / (a * a + b * b + c * c);
}
TL3 segment_parameter(point p, point q) {
ll a, b, c;
a = q.y - p.y;
b = p.x - q.x;
c = a * p.x + b * p.y;
TL3 ret = (TL3){a, b, c};
// cout << a << b << c << rt;
return ret;
}
int cross_check(TL3 segment, point p) {
ll a = get<0>(segment);
ll b = get<1>(segment);
ll c = get<2>(segment);
auto f = a * p.x + b * p.y - c;
int ret;
if (f > 0) ret = 1;
if (f == 0) ret = 0;
if (f < 0) ret = -1;
return ret;
}
void shave(vector<int> &v, int n) {
if (n <= 1) return;
vector<bool> w(n + 1, true);
int x;
w[0] = w[1] = false;
rep2(i, 2, n + 1) {
if (w[i]) {
x = i * 2;
while (x <= n) {
w[x] = false;
x += i;
}
}
}
rep(i, n + 1) if (w[i]) v.emplace_back(i);
}
// ll getpalindrome(int l, int r, const string &s, VL &memo) {
// if (r - l <= 1) return 1;
// if (memo[l] != -1) return memo[l];
// ll ret{1};
// int n = (r - l) / 2;
// string sl, sr;
// rep(i, n) {
// sl += s[l + i];
// sr += s[r - 1 - i];
// string rsr(i + 1, '0');
// reverse_copy(allpt_c(sr), rsr.begin());
// // cout << sl << wsp << sr << wsp << rsr << rt;
// if (sl == rsr) {
// ret += getpalindrome(l + i + 1, r - i - 1, s, memo);
// ret %= mod;
// }
// }
// memo[l] = ret;
// return ret;
// }
void getpalindrome(int l, int r, int n, const string &s, VVB &memo) {
if (r - l <= 1 || s[l] == s[r - 1]) {
memo[l][r] = true;
if (l > 0 && r < n) {
getpalindrome(l - 1, r + 1, n, s, memo);
}
}
return;
}
template <typename T>
void coordinate_compress(vector<T> &x, map<T, int> &zip, int &xs) {
sort(x.begin(), x.end());
x.erase(unique(x.begin(), x.end()), x.end());
xs = x.size();
for (int i = 0; i < xs; i++) {
zip[x[i]] = i;
}
x.shrink_to_fit();
}
int main() {
cin.tie(0);
ios::sync_with_stdio(false);
// リアクティブ問題のときはコメントアウト
#ifdef DEBUG
cout << "DEBUG MODE" << endl;
ifstream in("input.txt"); // for debug
cin.rdbuf(in.rdbuf()); // for debug
chrono::system_clock::time_point timestart, timeend; // for debug
timestart = std::chrono::system_clock::now(); // for debug
#endif
int n, k, free_ice{0}, buy_ice{0};
string s;
cin >> n >> k >> s;
VVI buy_simu(3 * n, VI(n)), free_simu(3 * n, VI(n));
rep(i, 3 * n * n) {
int y = i / n, x = i % n;
free_simu[y][x] = free_ice;
if (!free_ice) {
++buy_ice;
} else {
--free_ice;
}
buy_simu[y][x] = buy_ice;
free_ice += s[x] - '0';
}
--k;
if (k < 2 * n * n) {
cout << buy_simu[k / n][k % n] << rt;
} else {
ll f = k / n;
ll box = (f - 1) * (buy_simu[2][0] - buy_simu[1][0]) + buy_simu[1][0];
ll in_a_box = buy_simu[2][k % n] - buy_simu[2][0];
cout << box + in_a_box << rt;
// cout << box << wsp << in_a_box << rt;
}
// show2dvec(free_simu);
// show2dvec(buy_simu);
#ifdef DEBUG
timeend = chrono::system_clock::now();
auto elapsed =
chrono::duration_cast<chrono::milliseconds>(timeend - timestart)
.count();
cout << "Time is " << elapsed << "ms" << std::endl;
#endif
return 0;
}