結果
| 問題 | No.459 C-VS for yukicoder |
| ユーザー |
|
| 提出日時 | 2017-05-07 10:54:50 |
| 言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 13,952 bytes |
| コンパイル時間 | 3,943 ms |
| コンパイル使用メモリ | 248,084 KB |
| 実行使用メモリ | 17,088 KB |
| 最終ジャッジ日時 | 2024-09-14 14:35:42 |
| 合計ジャッジ時間 | 10,870 ms |
|
ジャッジサーバーID （参考情報） |
judge6 / judge2 |
（要ログイン）
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 | TLE | - |
| testcase_01 | -- | - |
| testcase_02 | -- | - |
| testcase_03 | -- | - |
| testcase_04 | -- | - |
| testcase_05 | -- | - |
| testcase_06 | -- | - |
| testcase_07 | -- | - |
| testcase_08 | -- | - |
| testcase_09 | -- | - |
| testcase_10 | -- | - |
| testcase_11 | -- | - |
| testcase_12 | -- | - |
| testcase_13 | -- | - |
| testcase_14 | -- | - |
| testcase_15 | -- | - |
| testcase_16 | -- | - |
| testcase_17 | -- | - |
| testcase_18 | -- | - |
| testcase_19 | -- | - |
| testcase_20 | -- | - |
| testcase_21 | -- | - |
| testcase_22 | -- | - |
| testcase_23 | -- | - |
| testcase_24 | -- | - |
| testcase_25 | -- | - |
| testcase_26 | -- | - |
| testcase_27 | -- | - |
| testcase_28 | -- | - |
| testcase_29 | -- | - |
| testcase_30 | -- | - |
| testcase_31 | -- | - |
| testcase_32 | -- | - |
| testcase_33 | -- | - |
| testcase_34 | -- | - |
| testcase_35 | -- | - |
| testcase_36 | -- | - |
| testcase_37 | -- | - |
| testcase_38 | -- | - |
| testcase_39 | -- | - |
| testcase_40 | -- | - |
| testcase_41 | -- | - |
| testcase_42 | -- | - |
| testcase_43 | -- | - |
| testcase_44 | -- | - |
| testcase_45 | -- | - |
| testcase_46 | -- | - |
| testcase_47 | -- | - |
| testcase_48 | -- | - |
| testcase_49 | -- | - |
| testcase_50 | -- | - |
| testcase_51 | -- | - |
| testcase_52 | -- | - |
| testcase_53 | -- | - |
| testcase_54 | -- | - |
| testcase_55 | -- | - |
| testcase_56 | -- | - |
| testcase_57 | -- | - |
| testcase_58 | -- | - |
| testcase_59 | -- | - |
| testcase_60 | -- | - |
ソースコード
#pragma GCC optimize ("O3")
#pragma GCC target ("avx")
#include "bits/stdc++.h" // define macro "/D__MAI"
using namespace std;
typedef unsigned int uint;
typedef long long int ll;
typedef unsigned long long int ull;
#define debugv(v) printf("L%d %s => ",__LINE__,#v);for(auto e:v){cout<<e<<" ";}cout<<endl;
#define debugm(m) printf("L%d %s is..\n",__LINE__,#m);for(auto v:m){for(auto e:v){cout<<e<<" ";}cout<<endl;}
#define debuga(m,w) printf("L%d %s is => ",__LINE__,#m);for(int x=0;x<(w);x++){cout<<(m)[x]<<" ";}cout<<endl;
#define debugaa(m,w,h) printf("L%d %s is..\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[x][y]<<" ";}cout<<endl;}
#define debugaar(m,w,h) printf("L%d %s is..\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[y][x]<<" ";}cout<<endl;}
#define ALL(v) (v).begin(),(v).end()
#define repeat(l) for(auto cnt=0;cnt<(l);++cnt)
#define upto(l,r) for(auto cnt=l;cnt<=r;++cnt)
#define downto(r,l) for(auti cnt=r;cnt>=l;--cnt)
#define BIGINT 0x7FFFFFFF
#define MD 1000000007ll
#define PI 3.1415926535897932384626433832795
template <typename T1, typename T2>
ostream& operator <<(ostream &o, const pair<T1, T2> p) { o << "(" << p.first << ":" << p.second << ")"; return o; }
#define TIME chrono::system_clock::now()
#define MILLISEC(t) (chrono::duration_cast<chrono::milliseconds>(t).count())
namespace {
std::chrono::system_clock::time_point ttt;
void tic() { ttt = TIME; }
void toc() { fprintf(stderr, "TIME : %lldms\n", MILLISEC(TIME - ttt)); }
std::chrono::system_clock::time_point tle = TIME;
#ifdef __MAI
void safe_tle(int msec) { assert(MILLISEC(TIME - tle) < msec); }
#else
#define safe_tle(k) ;
#endif
}
#ifdef __MAI //_getchar_nolock
#define getchar_unlocked getchar
#define putchar_unlocked putchar
#endif
namespace {
class MaiScanner {
public:
template<typename T>
void input_integer(T& var) {
var = 0;
T sign = 1;
int cc = getchar_unlocked();
for (; cc<'0' || '9'<cc; cc = getchar_unlocked())
if (cc == '-') sign = -1;
for (; '0' <= cc&&cc <= '9'; cc = getchar_unlocked())
var = (var << 3) + (var << 1) + cc - '0';
var = var*sign;
}
inline int c() { return getchar_unlocked(); }
inline MaiScanner& operator>>(int& var) {
input_integer<int>(var);
return *this;
}
inline MaiScanner& operator>>(long long& var) {
input_integer<long long>(var);
return *this;
}
};
}
MaiScanner scanner;
namespace std {
template<typename T1, typename T2>
class hash<pair<T1, T2>> {
public:
size_t operator()(const pair<T1, T2>& x) const {
return hash<T1>()(x.first) ^ hash<T2>()(x.second);
}
};
}
// todo : typedef int_c int // capacity
// TODO:マーカーの実装？
class Flow {
public:
size_t n;
struct Arrow {
int from, to;
int w_max; // TODO: leftに改名
int cap;
Arrow(int from = 0, int to = 0, int w = 1) :from(from), to(to), w_max(w), cap(w) {}
};
vector<vector<int>> vertex_to;
vector<vector<int>> vertex_from;
vector<Arrow> arrow;
Flow(int n, int m = 5010) :n(n), vertex_to(n), vertex_from(n) { arrow.reserve(m); }
void connect(int from, int to, int w_max) {
vertex_to[from].push_back(arrow.size()); // toto
vertex_from[to].push_back(arrow.size()); // fromfrom
arrow.emplace_back(from, to, w_max);
}
size_t degree(int v) {
return vertex_to[v].size() + vertex_from[v].size();
}
size_t degree_in(int v) {
return vertex_from[v].size();
}
size_t degree_out(int v) {
return vertex_to[v].size();
}
};
// DAG
int _dinic_path_dfs(Flow& flow, vector<int>& result, vector<int>& flag, const vector<int>& dist, int u, int i_sink, int mini) {
// TODO: 経路再利用
if (i_sink == u) return mini;
if (flag[u]) return -1;
flag[u] = true;
int sumw = 0;
bool term = true;
for (int e : flow.vertex_to[u]) {
Flow::Arrow& a = flow.arrow[e];
if (a.w_max > 0 && dist[u]>dist[a.to]) {
int w;
if (mini < 0)
w = a.w_max;
else
w = min(a.w_max, mini);
w = _dinic_path_dfs(flow, result, flag, dist, a.to, i_sink, w);
if (w == -1) continue;
a.w_max -= w;
result[a.to] += w;
sumw += w;
mini -= w;
term = false;
flag[u] = false;
if (mini == 0) return term ? -1 : sumw;
}
}
for (int e : flow.vertex_from[u]) {
Flow::Arrow& a = flow.arrow[e];
if (a.cap>a.w_max && dist[u]>dist[a.from]) {
int w;
if (mini < 0)
w = a.cap - a.w_max;
else
w = min(a.cap - a.w_max, mini);
w = _dinic_path_dfs(flow, result, flag, dist, a.from, i_sink, w);
if (w == -1) continue;
a.w_max += w;
result[a.to] -= w;
sumw += w;
mini -= w;
term = false;
flag[u] = false;
if (mini == 0) return term ? -1 : sumw;
}
}
return term ? -1 : sumw;
}
// flowは書き換えられる．
void dinic(Flow &flow, vector<int>& result, int i_source, int i_sink) {
assert(i_source != i_sink);
result.resize(flow.n);
int distbegin = 0;
vector<int> dist(flow.n);
queue<int> q;
vector<int> flag(flow.n);
for (int distbegin = 0; ; distbegin += flow.n) {
q.emplace(i_sink); // bfsはsinkからsourceへの距離を計算．
dist[i_sink] = distbegin + 1;
while (!q.empty()) {
int v = q.front();
q.pop();
for (int ie : flow.vertex_from[v]) {
const Flow::Arrow& e = flow.arrow[ie];
if (0<e.w_max && dist[e.from] <= distbegin) {
dist[e.from] = dist[v] + 1;
q.emplace(e.from);
}
}
for (int ie : flow.vertex_to[v]) {
const Flow::Arrow& e = flow.arrow[ie];
if (e.w_max<e.cap && dist[e.to] <= distbegin) {
dist[e.to] = dist[v] + 1;
q.emplace(e.to);
}
}
}
//debugv(dist);
fill(ALL(flag), false);
if (dist[i_source] <= distbegin) {
break;
}
else {
result[i_source] += _dinic_path_dfs(flow, result, flag, dist, i_source, i_sink, -1);
}
}
}
// 最大最小流量制限付き
class FlowMinMax {
public:
Flow flow;
int ss; // vertex of new source
FlowMinMax(int n, int m) :flow(n + 2, m), ss(n) {}
FlowMinMax(int n) :flow(n + 2), ss(n) {}
void connect(int from, int to, int w_min, int w_max) {
// assert(w_min < w_max);
/*
flow.connect(from, ss+1, w_min);
flow.connect(from, to , w_max-w_min);
flow.connect(ss , to , w_min);
return;
*/
if (w_max == w_min) {
flow.connect(ss, to, w_min);
flow.connect(from, ss + 1, w_min);
}
else if (w_min == 0) {
flow.connect(from, to, w_max - w_min);
}
else {
flow.connect(from, ss + 1, w_min);
flow.connect(from, to, w_max - w_min);
flow.connect(ss, to, w_min);
}
}
private:
template<typename MAP_PI> // map<pair<int,int>,int> or unordered_map
bool _solve_dinic_edge(MAP_PI& result_edge, int i_source, int i_sink) {
vector<int> resflow(flow.n, 0);
dinic(flow, resflow, ss, ss + 1);
dinic(flow, resflow, ss, i_sink);
dinic(flow, resflow, i_source, ss + 1);
dinic(flow, resflow, i_source, i_sink);
for (int e : flow.vertex_from[ss + 1]) {
const Flow::Arrow& a = flow.arrow[e];
//printf("%d->%d (%d)\n",a.from,a.to,a.w_max);cout.flush();
if (0 < a.w_max) return false;
}
int floow;
for (int u = 0; u<flow.n - 2; u++) {
for (int ea : flow.vertex_to[u]) { // TODO:無駄っぽい(2回参照)
const Flow::Arrow& a = flow.arrow[ea]; // u -> v
if (a.to >= flow.n - 2) {
if (0 < a.w_max) return false;
continue;
}
const Flow::Arrow& c = flow.arrow[ea + 1]; // S -> v
if (a.to != c.to) {
floow = a.cap - a.w_max;
}
else {
if (0 < c.w_max) return false;
floow = c.cap + a.cap - c.w_max - a.w_max;
}
if (0 < floow)
result_edge[make_pair(u, a.to)] += floow;
}
}
return true;
}
// connect操作を行うので，2回以上呼び出すのは禁止
// sumflow = sink,flowの流量が既知
template<typename MAP_PI>
bool _solve_dinic_edge_known(MAP_PI& result_edge, int i_source, int i_sink, int sumflow) {
vector<int> resflow(flow.n, 0);
flow.connect(ss, i_source, sumflow);
flow.connect(i_sink, ss + 1, sumflow);
dinic(flow, resflow, ss, ss + 1);
for (int e : flow.vertex_from[ss + 1]) {
const Flow::Arrow& a = flow.arrow[e];
//printf("%d->%d (%d)\n",a.from,a.to,a.w_max);cout.flush();
if (0 < a.w_max) return false;
}
int floow;
for (int u = 0; u<flow.n - 2; u++) {
for (int ea : flow.vertex_to[u]) { // TODO:無駄っぽい(2回参照)
const Flow::Arrow& a = flow.arrow[ea]; // u -> v
if (a.to >= flow.n - 2) {
if (0 < a.w_max) return false;
continue;
}
const Flow::Arrow& c = flow.arrow[ea + 1]; // S -> v
if (a.to != c.to) {
floow = a.cap - a.w_max;
}
else {
if (0 < c.w_max) return false;
floow = c.cap + a.cap - c.w_max - a.w_max;
}
if (0 < floow){
result_edge[make_pair(u, a.to)] += floow;
}
}
}
return true;
}
public:
bool solve_dinic_edge(map<pair<int, int>, int>& result_edge, int i_source, int i_sink, int sumflow = -1) {
return sumflow<0 ? _solve_dinic_edge(result_edge, i_source, i_sink)
: _solve_dinic_edge_known(result_edge, i_source, i_sink, sumflow);
}
bool solve_dinic_edge(unordered_map<pair<int, int>, int>& result_edge, int i_source, int i_sink, int sumflow = -1) {
return sumflow<0 ? _solve_dinic_edge(result_edge, i_source, i_sink)
: _solve_dinic_edge_known(result_edge, i_source, i_sink, sumflow);
}
};
/**
// dinic sample
int main(){
int i,j,k;
int x,y,a,b;
Flow graph(6);
graph.connect(0,1,1);
graph.connect(1,4,1);
graph.connect(4,5,1);
graph.connect(0,3,1);
graph.connect(3,4,1);
graph.connect(1,2,1);
graph.connect(2,5,1);
vector<int> result(6,0);
dinic(graph,result,0,5);
debugv(result);
// FlowMinMax graph2(3);
//
// graph2.connect(0,1,1,2);
// graph2.connect(1,2,3,4);
//
// vector<int> result2(3,0);
// cout << (graph2.solve_dinic(result2,0,2) ? "true" : "false") << endl;
//
// debugv(result2);
return 0;
}
/**/
/**/
int width, height;
int m, n;
int field[10010];
int commands[30010];
int main() {
int i, j, k;
int x, y, a, b;
tic();
scanner >> height >> width >> n;
while(scanner.c() != '\n');
int nblocks = 0;
// X座標にブロックがいくつ積まれているか、を記録する。
// stringを保持する必要はない。
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
int k = scanner.c() == '#';
field[x] += k;
nblocks += k;
}
while(scanner.c() != '\n');
}
for (i = 0; i < n; i++) {
scanner >> commands[i];
}
toc();
// A _ B _ C
// | | ----> | | ----> [sink]
// [source] -> | | | |
// | | | |
// |_pack |_field
//
// A : [1,9] (packは[1,9]個のブロックを持つ)
// B : [0,3] (packは3x3の容量を持つ)
// C : [#,#] (x列には#個のブロックが積み上がっている)
FlowMinMax flow(1 + n + width + 1);
const int i_source = 0;
const int i_sink = 1;
for (i = 0; i < n; i++) {
// A edge
flow.connect(i_source, 2 + i, 1, 9);
int left = commands[i];
for (j = 0; j < 3; j++) {
// B edge
flow.connect(2 + i, 2 + n + left + j, 0, 3);
}
}
for (x = 0; x < width; x++) {
// C edge
flow.connect(2 + n + x, i_sink, field[x], field[x]);
}
//for (Flow::Arrow& ar : flow.flow.arrow){
// if (ar.w_max == 0) continue;
// printf("%d -> %d\n",ar.from,ar.to);
//}
unordered_map<pair<int, int>, int> nagare;
if (!flow.solve_dinic_edge(nagare, i_source, i_sink, nblocks)) {
abort();
cout << "warn" << endl;
}
//debugv(nagare);
int hako[3];
for (i = 0; i < n; ++i) {
for (j = 0; j < 3; ++j) {
hako[j] = nagare[make_pair(2 + i, 2 + n + commands[i] + j)];
}
for (y = 3; 0 < y; --y) {
for (x = 0; x < 3; ++x) {
if (y <= hako[x]) {
putchar_unlocked('#');
}
else {
putchar_unlocked('.');
}
}
putchar_unlocked('\n');
}
}
return 0;
}
/*
2 4 3
..#.
..##
0
1
0
*/