結果
| 問題 |
No.1123 Afforestation
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-07-22 23:55:38 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 3,578 bytes |
| コンパイル時間 | 1,170 ms |
| コンパイル使用メモリ | 106,696 KB |
| 実行使用メモリ | 118,272 KB |
| 最終ジャッジ日時 | 2024-06-23 02:13:02 |
| 合計ジャッジ時間 | 15,619 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | -- * 3 |
| other | AC * 28 TLE * 1 -- * 61 |
ソースコード
#include <cassert>
#include <cmath>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <functional>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
using namespace std;
using Int = long long;
template <class T1, class T2> ostream &operator<<(ostream &os, const pair<T1, T2> &a) { return os << "(" << a.first << ", " << a.second << ")"; };
template <class T> void pv(T a, T b) { for (T i = a; i != b; ++i) cerr << *i << " "; cerr << endl; }
template <class T> bool chmin(T &t, const T &f) { if (t > f) { t = f; return true; } return false; }
template <class T> bool chmax(T &t, const T &f) { if (t < f) { t = f; return true; } return false; }
namespace MF {
const int LIM_N = 10010;
const int LIM_M = 5000010;
typedef int wint;
const wint wEPS = 0;
const wint wINF = 1001001001;
int n, m, ptr[LIM_N], nxt[LIM_M * 2], zu[LIM_M * 2];
wint capa[LIM_M * 2], tof;
int lev[LIM_N], see[LIM_N], que[LIM_N], *qb, *qe;
void init(int _n) {
n = _n; m = 0; fill(ptr, ptr + n, -1);
}
void ae(int u, int v, wint w0, wint w1 = 0) {
nxt[m] = ptr[u]; ptr[u] = m; zu[m] = v; capa[m] = w0; ++m;
nxt[m] = ptr[v]; ptr[v] = m; zu[m] = u; capa[m] = w1; ++m;
}
wint augment(int src, int ink, wint flo) {
if (src == ink) return flo;
for (int &i = see[src]; ~i; i = nxt[i]) if (capa[i] > wEPS && lev[src] < lev[zu[i]]) {
const wint f = augment(zu[i], ink, min(flo, capa[i]));
if (f > wEPS) {
capa[i] -= f; capa[i ^ 1] += f; return f;
}
}
return 0;
}
bool solve(int src, int ink, wint flo = wINF) {
for (tof = 0; tof + wEPS < flo; ) {
qb = qe = que; fill(lev, lev + n, -1);
for (lev[*qe++ = src] = 0, see[src] = ptr[src]; qb != qe; ) {
const int u = *qb++;
for (int i = ptr[u]; ~i; i = nxt[i]) if (capa[i] > wEPS) {
const int v = zu[i];
if (lev[v] == -1) {
lev[*qe++ = v] = lev[u] + 1; see[v] = ptr[v];
if (v == ink) goto au;
}
}
}
return false;
au: for (wint f; (f = augment(src, ink, flo - tof)) > wEPS; tof += f);
}
return true;
}
}
int H, W;
vector<int> A, B;
int K;
vector<int> X, Y;
int main() {
for (; ~scanf("%d%d", &H, &W); ) {
A.resize(H);
for (int x = 0; x < H; ++x) {
scanf("%d", &A[x]);
}
B.resize(W);
for (int y = 0; y < W; ++y) {
scanf("%d", &B[y]);
}
scanf("%d", &K);
X.resize(K);
Y.resize(K);
for (int k = 0; k < K; ++k) {
scanf("%d%d", &X[k], &Y[k]);
--X[k];
--Y[k];
}
vector<vector<int>> ids(H, vector<int>(W, -1));
for (int k = 0; k < K; ++k) {
ids[X[k]][Y[k]] = -2;
}
MF::init(2 + H + W);
int ASum = 0, BSum = 0;
for (int x = 0; x < H; ++x) {
ASum += A[x];
MF::ae(0, 2 + x, A[x]);
}
for (int y = 0; y < W; ++y) {
BSum += B[y];
MF::ae(2 + H + y, 1, B[y]);
}
for (int x = 0; x < H; ++x) for (int y = 0; y < W; ++y) {
if (ids[x][y] == -1) {
ids[x][y] = MF::m;
MF::ae(2 + x, 2 + H + y, 1);
}
}
const bool res = MF::solve(0, 1, max(ASum, BSum));
if (res) {
puts("Yay!");
for (int x = 0; x < H; ++x) {
for (int y = 0; y < W; ++y) {
putchar((ids[x][y] == -2) ? 'x' : MF::capa[ids[x][y]] ? '.' : 'o');
}
puts("");
}
} else {
puts(":(");
}
}
return 0;
}