#include <bits/stdc++.h>
using namespace std;
const int MAXN =3000;
char couleur[MAXN][MAXN];
int idDumpling[MAXN][MAXN];
vector<int> adj[MAXN*MAXN];
int matchAvec[MAXN * MAXN];
bool vu[MAXN * MAXN];
bool dfs(int u)
{
if (vu[u]) return false;
vu[u] = true;
for (auto v : adj[u])
if (matchAvec[v] == -1 or dfs(matchAvec[v]))
{
matchAvec[v] = u;
return true;
}
return false;
}
signed main(void)
{
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
int nbLig, nbCol;
cin >> nbLig >> nbCol;
for (int iLig(0); iLig < nbLig; ++iLig)
for (int iCol(0); iCol < nbCol; ++iCol)
cin >> couleur[iLig][iCol];
int nbDumplingsPotentiels(0);
for (int iLig(0); iLig < nbLig; ++iLig)
for (int iCol(0); iCol < nbCol; ++iCol)
{
if (iLig + 2 < nbLig and couleur[iLig][iCol] == 'R'
and couleur[iLig+1][iCol] == 'G' and couleur[iLig+2][iCol] == 'W')
nbDumplingsPotentiels++;
if (iCol+2 < nbCol and couleur[iLig][iCol] == 'R' and
couleur[iLig][iCol+1] == 'G' and couleur[iLig][iCol+2] == 'W')
nbDumplingsPotentiels++;
}
int nbVu(0);
for (int iLig(0); iLig < nbLig; ++iLig)
for (int iCol(0); iCol < nbCol; ++iCol)
{
idDumpling[iLig][iCol] = -1;
if (iLig + 2 < nbLig and couleur[iLig][iCol] == 'R'
and couleur[iLig+1][iCol] == 'G' and couleur[iLig+2][iCol] == 'W')
idDumpling[iLig][iCol] = nbVu++;
}
int nbGauche = nbVu;
nbVu = 0;
for (int iLig(0); iLig < nbLig; ++iLig)
for (int iCol(0); iCol < nbCol; ++iCol)
if (iCol+2 < nbCol and couleur[iLig][iCol] == 'R' and
couleur[iLig][iCol+1] == 'G' and couleur[iLig][iCol+2] == 'W')
{
// R G W
matchAvec[nbVu] = -1;
if (idDumpling[iLig][iCol] != -1)
adj[idDumpling[iLig][iCol]].push_back(nbVu);
if (iLig and idDumpling[iLig-1][iCol+1] != -1)
adj[idDumpling[iLig-1][iCol+1]].push_back(nbVu);
if (iLig > 1 and idDumpling[iLig-2][iCol+2] != -1)
adj[idDumpling[iLig-2][iCol+2]].push_back(nbVu);
++nbVu;
}
int maxMatching(0);
for (int i(0); i < nbGauche; ++i)
{
fill(vu, vu + nbGauche, false);
maxMatching += dfs(i);
}
int ret = nbDumplingsPotentiels - maxMatching;
cout << ret << endl;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
144 ms |
211692 KB |
Output is correct |
| 2 |
Correct |
146 ms |
211692 KB |
Output is correct |
| 3 |
Correct |
145 ms |
211692 KB |
Output is correct |
| 4 |
Correct |
150 ms |
211840 KB |
Output is correct |
| 5 |
Correct |
144 ms |
211692 KB |
Output is correct |
| 6 |
Correct |
145 ms |
211712 KB |
Output is correct |
| 7 |
Correct |
146 ms |
211692 KB |
Output is correct |
| 8 |
Correct |
143 ms |
211692 KB |
Output is correct |
| 9 |
Correct |
144 ms |
211692 KB |
Output is correct |
| 10 |
Correct |
153 ms |
211692 KB |
Output is correct |
| 11 |
Correct |
146 ms |
211692 KB |
Output is correct |
| 12 |
Correct |
144 ms |
211692 KB |
Output is correct |
| 13 |
Correct |
143 ms |
211692 KB |
Output is correct |
| 14 |
Correct |
147 ms |
211692 KB |
Output is correct |
| 15 |
Correct |
146 ms |
211820 KB |
Output is correct |
| 16 |
Correct |
144 ms |
211776 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
144 ms |
211692 KB |
Output is correct |
| 2 |
Correct |
146 ms |
211692 KB |
Output is correct |
| 3 |
Correct |
145 ms |
211692 KB |
Output is correct |
| 4 |
Correct |
150 ms |
211840 KB |
Output is correct |
| 5 |
Correct |
144 ms |
211692 KB |
Output is correct |
| 6 |
Correct |
145 ms |
211712 KB |
Output is correct |
| 7 |
Correct |
146 ms |
211692 KB |
Output is correct |
| 8 |
Correct |
143 ms |
211692 KB |
Output is correct |
| 9 |
Correct |
144 ms |
211692 KB |
Output is correct |
| 10 |
Correct |
153 ms |
211692 KB |
Output is correct |
| 11 |
Correct |
146 ms |
211692 KB |
Output is correct |
| 12 |
Correct |
144 ms |
211692 KB |
Output is correct |
| 13 |
Correct |
143 ms |
211692 KB |
Output is correct |
| 14 |
Correct |
147 ms |
211692 KB |
Output is correct |
| 15 |
Correct |
146 ms |
211820 KB |
Output is correct |
| 16 |
Correct |
144 ms |
211776 KB |
Output is correct |
| 17 |
Correct |
146 ms |
211692 KB |
Output is correct |
| 18 |
Correct |
145 ms |
211692 KB |
Output is correct |
| 19 |
Correct |
147 ms |
211692 KB |
Output is correct |
| 20 |
Correct |
142 ms |
211820 KB |
Output is correct |
| 21 |
Correct |
148 ms |
211912 KB |
Output is correct |
| 22 |
Correct |
144 ms |
211820 KB |
Output is correct |
| 23 |
Correct |
145 ms |
211820 KB |
Output is correct |
| 24 |
Correct |
146 ms |
211948 KB |
Output is correct |
| 25 |
Correct |
147 ms |
211948 KB |
Output is correct |
| 26 |
Correct |
143 ms |
211692 KB |
Output is correct |
| 27 |
Correct |
143 ms |
211820 KB |
Output is correct |
| 28 |
Correct |
145 ms |
211820 KB |
Output is correct |
| 29 |
Correct |
144 ms |
211820 KB |
Output is correct |
| 30 |
Correct |
143 ms |
211820 KB |
Output is correct |
| 31 |
Correct |
147 ms |
211820 KB |
Output is correct |
| 32 |
Correct |
149 ms |
211844 KB |
Output is correct |
| 33 |
Correct |
143 ms |
211820 KB |
Output is correct |
| 34 |
Correct |
144 ms |
211820 KB |
Output is correct |
| 35 |
Correct |
148 ms |
211820 KB |
Output is correct |
| 36 |
Correct |
149 ms |
211820 KB |
Output is correct |
| 37 |
Correct |
143 ms |
211820 KB |
Output is correct |
| 38 |
Correct |
144 ms |
211820 KB |
Output is correct |
| 39 |
Correct |
145 ms |
211948 KB |
Output is correct |
| 40 |
Correct |
144 ms |
211820 KB |
Output is correct |
| 41 |
Correct |
143 ms |
211820 KB |
Output is correct |
| 42 |
Correct |
144 ms |
211748 KB |
Output is correct |
| 43 |
Correct |
182 ms |
211772 KB |
Output is correct |
| 44 |
Correct |
145 ms |
211820 KB |
Output is correct |
| 45 |
Correct |
154 ms |
211820 KB |
Output is correct |
| 46 |
Correct |
145 ms |
211820 KB |
Output is correct |
| 47 |
Correct |
160 ms |
211820 KB |
Output is correct |
| 48 |
Correct |
153 ms |
211820 KB |
Output is correct |
| 49 |
Correct |
143 ms |
211820 KB |
Output is correct |
| 50 |
Correct |
148 ms |
211820 KB |
Output is correct |
| 51 |
Correct |
148 ms |
211820 KB |
Output is correct |
| 52 |
Correct |
155 ms |
211820 KB |
Output is correct |
| 53 |
Correct |
158 ms |
211820 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
144 ms |
211692 KB |
Output is correct |
| 2 |
Correct |
146 ms |
211692 KB |
Output is correct |
| 3 |
Correct |
145 ms |
211692 KB |
Output is correct |
| 4 |
Correct |
150 ms |
211840 KB |
Output is correct |
| 5 |
Correct |
144 ms |
211692 KB |
Output is correct |
| 6 |
Correct |
145 ms |
211712 KB |
Output is correct |
| 7 |
Correct |
146 ms |
211692 KB |
Output is correct |
| 8 |
Correct |
143 ms |
211692 KB |
Output is correct |
| 9 |
Correct |
144 ms |
211692 KB |
Output is correct |
| 10 |
Correct |
153 ms |
211692 KB |
Output is correct |
| 11 |
Correct |
146 ms |
211692 KB |
Output is correct |
| 12 |
Correct |
144 ms |
211692 KB |
Output is correct |
| 13 |
Correct |
143 ms |
211692 KB |
Output is correct |
| 14 |
Correct |
147 ms |
211692 KB |
Output is correct |
| 15 |
Correct |
146 ms |
211820 KB |
Output is correct |
| 16 |
Correct |
144 ms |
211776 KB |
Output is correct |
| 17 |
Correct |
146 ms |
211692 KB |
Output is correct |
| 18 |
Correct |
145 ms |
211692 KB |
Output is correct |
| 19 |
Correct |
147 ms |
211692 KB |
Output is correct |
| 20 |
Correct |
142 ms |
211820 KB |
Output is correct |
| 21 |
Correct |
148 ms |
211912 KB |
Output is correct |
| 22 |
Correct |
144 ms |
211820 KB |
Output is correct |
| 23 |
Correct |
145 ms |
211820 KB |
Output is correct |
| 24 |
Correct |
146 ms |
211948 KB |
Output is correct |
| 25 |
Correct |
147 ms |
211948 KB |
Output is correct |
| 26 |
Correct |
143 ms |
211692 KB |
Output is correct |
| 27 |
Correct |
143 ms |
211820 KB |
Output is correct |
| 28 |
Correct |
145 ms |
211820 KB |
Output is correct |
| 29 |
Correct |
144 ms |
211820 KB |
Output is correct |
| 30 |
Correct |
143 ms |
211820 KB |
Output is correct |
| 31 |
Correct |
147 ms |
211820 KB |
Output is correct |
| 32 |
Correct |
149 ms |
211844 KB |
Output is correct |
| 33 |
Correct |
143 ms |
211820 KB |
Output is correct |
| 34 |
Correct |
144 ms |
211820 KB |
Output is correct |
| 35 |
Correct |
148 ms |
211820 KB |
Output is correct |
| 36 |
Correct |
149 ms |
211820 KB |
Output is correct |
| 37 |
Correct |
143 ms |
211820 KB |
Output is correct |
| 38 |
Correct |
144 ms |
211820 KB |
Output is correct |
| 39 |
Correct |
145 ms |
211948 KB |
Output is correct |
| 40 |
Correct |
144 ms |
211820 KB |
Output is correct |
| 41 |
Correct |
143 ms |
211820 KB |
Output is correct |
| 42 |
Correct |
144 ms |
211748 KB |
Output is correct |
| 43 |
Correct |
182 ms |
211772 KB |
Output is correct |
| 44 |
Correct |
145 ms |
211820 KB |
Output is correct |
| 45 |
Correct |
154 ms |
211820 KB |
Output is correct |
| 46 |
Correct |
145 ms |
211820 KB |
Output is correct |
| 47 |
Correct |
160 ms |
211820 KB |
Output is correct |
| 48 |
Correct |
153 ms |
211820 KB |
Output is correct |
| 49 |
Correct |
143 ms |
211820 KB |
Output is correct |
| 50 |
Correct |
148 ms |
211820 KB |
Output is correct |
| 51 |
Correct |
148 ms |
211820 KB |
Output is correct |
| 52 |
Correct |
155 ms |
211820 KB |
Output is correct |
| 53 |
Correct |
158 ms |
211820 KB |
Output is correct |
| 54 |
Correct |
144 ms |
211692 KB |
Output is correct |
| 55 |
Correct |
157 ms |
232556 KB |
Output is correct |
| 56 |
Correct |
144 ms |
211820 KB |
Output is correct |
| 57 |
Correct |
153 ms |
225772 KB |
Output is correct |
| 58 |
Correct |
985 ms |
223276 KB |
Output is correct |
| 59 |
Execution timed out |
2106 ms |
260972 KB |
Time limit exceeded |
| 60 |
Halted |
0 ms |
0 KB |
- |
