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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#307831 | #1127. Virus Experiment | 5ab | 0 | 116ms | 121456kb | C++20 | 4.6kb | 2024-01-19 10:33:11 | 2024-01-19 10:33:12 |
Judging History
answer
/* name: 1127
* author: 5ab
* created at: 2024-01-08
*/
#include <iostream>
#include <algorithm>
#include <numeric>
#include <vector>
#include <tuple>
using namespace std;
#define all(x) (x).begin(), (x).end()
#define ssz(x) (int((x).size()))
auto chmax = [](auto& x, auto y) { if (x < y) x = y; };
auto chmin = [](auto& x, auto y) { if (y < x) x = y; };
using ll = long long;
const int max_n = 800, max_nd = max_n * max_n, max_m = 1e5, drs = 4, sdr = 1 << drs, INF = 1145141919;
const char dr[] = "NESW";
int d[max_n][max_n], c[sdr], st[max_nd], ed[max_nd], par[max_nd], ind = 0, mn = INF, mnc = 0;
int dsu[max_nd * (drs + 1)], siz[max_nd * (drs + 1)], cmk[max_nd * (drs + 1)], nm, m;
vector<int> ad[max_nd], g[max_nd];
vector<pair<int, int>> es;
bool vis[max_nd], bd[max_nd];
char s[max_m + 1];
int fnd(int x) { return x == dsu[x] ? x : (dsu[x] = fnd(dsu[x])); }
int gid(char c) {
return find(dr, dr + drs, c) - dr;
}
void updmsk(int& mk, int d) {
mk = (mk && d ? mk | d : 0);
}
bool dok(int rx, int x, int y) {
return c[cmk[rx]] >= d[x][y];
}
void push(int rt, int rx, int x, int y)
{
// cerr << rt << " " << x << " " << y << " " << cmk[rx] << " " << c[cmk[rx]] << endl;
dsu[rx] = rt;
ad[rt].push_back(rx);
if (dok(rx, x, y))
g[rt].push_back(rx);
}
void dfs(int id)
{
st[id] = ind++, vis[id] = 1;
// cerr << id << endl;
while (!g[id].empty())
{
int dst = g[id].back() % nm;
// cerr << id << " " << dst << endl;
g[id].pop_back();
// if (fnd(dst) == fnd(id))
// continue;
es.emplace_back(id, dst);
if (!vis[dst])
{
// cerr << id << " --> " << dst << endl;
par[dst] = id;
dfs(dst);
continue;
}
if (!(st[fnd(dst)] <= st[id] && ed[id] <= ed[fnd(dst)]))
continue;
// cerr << dst << " " << id << endl;
while (fnd(dst) != fnd(id))
{
int x = fnd(id), y = fnd(par[x]), inv = 0;
if (ssz(ad[y]) < ssz(ad[x]))
swap(ad[x], ad[y]), swap(g[x], g[y]), swap(x, y), inv = 1;
g[x].clear();
for (auto p : ad[x])
dsu[p] = p;
for (auto p : ad[x])
{
int rx = p % nm, cx = rx / m, cy = rx % m;
bool ok = 1;
for (int i = 0, tx = rx; i <= drs; i++, tx += nm)
if (fnd(tx) == y)
{
ok = 0;
bool pok = dok(tx, cx, cy);
// cerr << "> " << cmk[tx] << " " << cx << " " << cy << endl;
updmsk(cmk[tx], cmk[p]);
if (dok(tx, cx, cy) && !pok)
g[y].push_back(tx);
break;
}
if (ok)
push(y, p, cx, cy);
}
ad[x].clear();
if (inv)
swap(x, y), swap(ad[x], ad[y]), swap(g[x], g[y]);
dsu[x] = y, siz[y] += siz[x];
}
// cerr << "? " << fnd(id) << endl;
// for (auto p : g[fnd(id)])
// cerr << p % nm << " ";
// cerr << endl;
}
ed[id] = ind;
}
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n, sl;
cin >> sl >> n >> m >> s;
for (int i = 0; i < n; i++)
for (int j = 0; j < m; j++)
{
cin >> d[i][j];
if (d[i][j] == 0)
d[i][j] = INF;
}
nm = n * m;
for (int i = 0; i < sdr; i++)
{
int j = 0;
for (; j < sl && ((i >> gid(s[j])) & 1); j++);
if (j == sl)
{
c[i] = INF - 1;
continue;
}
c[i] = j;
int sp = j, k = j;
// cerr << "??? " << i << " " << j << endl;
while (k < sl)
{
for (j = k; j < sl && !((i >> gid(s[j])) & 1); j++);
for (k = j; k < sl && ((i >> gid(s[k])) & 1); k++);
// cerr << j << " " << k << endl;
chmax(c[i], k - j);
}
chmax(c[i], k - j + sp);
// cerr << i << " " << c[i] << endl;
}
for (int i = 0, x = 0; i < n; i++)
for (int j = 0; j < m; j++, x++)
for (int k = 0, tx = x + nm; k < drs; k++, tx += nm)
cmk[tx] = (1 << k);
iota(dsu, dsu + n * m * (drs + 1), 0);
fill(siz, siz + n * m, 1);
for (int i = 0, x = 0; i < n; i++)
for (int j = 0; j < m; j++, x++)
{
if (i < n - 1) push(x, x + m + nm, i + 1, j);
if (j) push(x, x - 1 + nm * 2, i, j - 1);
if (i) push(x, x - m + nm * 3, i - 1, j);
if (j < m - 1) push(x, x + 1 + nm * 4, i, j + 1);
}
fill(ed, ed + n * m, INF);
for (int i = 0, x = 0; i < n; i++)
for (int j = 0; j < m; j++, x++) if (!vis[x] && d[i][j] != INF)
dfs(x);
for (auto [x, y] : es)
if (fnd(x) != fnd(y))
bd[fnd(x)] = 1;
for (int i = 0, x = 0; i < n; i++)
for (int j = 0; j < m; j++, x++)
if (d[i][j] != INF && !bd[fnd(x)])
{
int id = fnd(x);
// cerr << i << " " << j << endl;
if (siz[id] < mn)
mn = siz[id], mnc = 1;
else if (siz[id] == mn)
mnc++;
}
cout << mn << "\n" << mnc << endl;
return 0;
}
// started coding at: 01-08 22:03:13
详细
Subtask #1:
score: 0
Time Limit Exceeded
Test #1:
score: 14
Accepted
time: 5ms
memory: 16068kb
input:
53768 10 50 EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE...
output:
1 10
result:
ok 2 lines
Test #2:
score: 0
Accepted
time: 116ms
memory: 111948kb
input:
10 800 800 WWWWEWWEWW 7 3 7 5 10 6 9 6 5 8 1 10 1 6 6 1 8 9 3 7 1 3 1 4 9 3 4 2 5 4 5 7 8 10 4 6 2 8 7 2 1 5 3 10 9 10 1 7 6 2 1 8 3 4 10 5 3 3 3 9 2 2 6 1 6 5 6 3 7 9 7 5 8 5 4 3 7 6 9 3 4 9 1 2 7 1 3 4 6 10 8 4 4 9 1 2 6 1 4 4 10 6 10 4 1 5 1 8 5 2 1 9 4 10 9 2 7 9 4 1 6 5 1 6 6 10 10 1 3 10 6 4 8...
output:
1 230450
result:
ok 2 lines
Test #3:
score: 0
Accepted
time: 112ms
memory: 121456kb
input:
10 800 800 WWWWWWWWWW 15314 11896 14475 25269 31478 32227 37443 24837 1353 32232 8163 3206 34713 17755 6870 20331 29572 19341 12557 36054 14768 990 30502 32464 15439 17070 15514 32216 37546 25514 27706 3028 26652 17247 13171 40866 36133 9550 22005 24048 33764 25331 12936 27462 27217 33096 19096 3919...
output:
1 800
result:
ok 2 lines
Test #4:
score: 0
Accepted
time: 95ms
memory: 119176kb
input:
31 800 800 EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...
output:
1 800
result:
ok 2 lines
Test #5:
score: 0
Accepted
time: 75ms
memory: 79308kb
input:
9999 800 800 WWWEEWEEWEWEEEWEEEWWWEWWEEEEEWEEEWWEWWWEWEWEWEEEWWWWWEWEEEEEEWEEWWEWWEEEEWEWWEWWWEEEWWEEWEWWWEWWEWWEEEWWWEWEEWWEWEWWWEWWWEEEWWEEEWWEEEWWWWEWWEWEWWWWEEWEEEWEWWEWEEWEWEEEWEWEEEWWWWEEEEWWWWWWEWWWEWEWWWEWEWWWEWWEEEEWWEEEEEWEWEWWWEWEEEEWEEEEWEEWEEEEEWEWWEEEWWEEEWEEEEWWEWWEEWEEWEWWEWWWEWEEEWE...
output:
1 639810
result:
ok 2 lines
Test #6:
score: 0
Accepted
time: 0ms
memory: 17912kb
input:
10 800 1 EWEWWWWWWW 1 1 1 0 1 0 0 0 1 0 0 0 1 1 1 0 0 0 0 1 0 0 0 0 0 0 1 1 0 1 1 0 0 1 1 0 1 0 1 0 0 0 0 1 1 1 1 1 0 0 1 1 0 1 0 0 0 1 0 0 0 1 0 1 1 0 1 1 0 1 1 1 0 0 0 0 1 1 0 1 0 1 0 0 1 0 0 0 1 1 1 1 0 0 1 1 1 1 0 0 1 0 0 1 1 1 0 1 0 1 0 1 0 1 0 1 0 0 0 1 1 0 0 1 1 1 0 0 1 1 0 0 1 1 1 1 1 1 1 0 ...
output:
1 392
result:
ok 2 lines
Test #7:
score: -14
Time Limit Exceeded
input:
100000 800 800 WWEEWEEWEEEWEEWWWWWEEEWWWEEEWEWWEWEEEWWWEEEWEWWWWEEWWEWEEEEEEWWEEEWWWWWWWEWWWEEWWWWWWEEWEWEWEEWEWEWEWWEEEEWEEEEWEWWWWEEEEWWWEWWWEWWEWEWWWEWEWEWWEEEEEEWEEEEEWEEEEEWEEEWEEEEEEEWEWWWEWWWEWWWWEEWWEWEEEWWWWEEEEEEWWWEEEEEWEWEWWEWEEEEEEEWEEWWEWWEEWWEEEEEWWEWEWEEWWEEWEEWEWWWWEEWEWEWEEEEEEEWEW...
output:
result:
Subtask #2:
score: 0
Wrong Answer
Test #9:
score: 6
Accepted
time: 0ms
memory: 15888kb
input:
10 10 10 NNNNSENESS 3 2 0 0 1 3 2 3 1 2 3 3 2 0 5 2 4 0 5 1 5 1 2 3 0 4 4 0 1 0 5 0 1 0 2 4 2 2 0 3 0 1 0 1 4 0 1 4 1 0 3 5 5 0 2 5 3 0 3 4 5 3 1 0 5 4 4 0 4 4 1 0 2 0 5 4 0 2 3 0 4 2 0 2 3 0 2 5 5 4 3 0 2 0 5 4 5 4 0 5
output:
1 33
result:
ok 2 lines
Test #10:
score: 0
Accepted
time: 2ms
memory: 16016kb
input:
100000 10 10 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...
output:
1 10
result:
ok 2 lines
Test #11:
score: 0
Accepted
time: 14ms
memory: 16116kb
input:
100000 11 11 SWNESSSWNSEWNSNESSNWEWEWNSNNSWSSWSEEWNENWSWNNEWWSWNSESSEWENNESSENEEEESEESEWENEWSNSNNSSNNSWSNNSNESWEWSENNSESEEWWNESSNNWWSNWNNWNWNWWSEENNNWESSWNWNSEWWNWNNWSWSEWSENSNWNWNNEESSSENWWESSWEESWWENSSENWNNEESWENWSSSWEEWNWEWNNENNWSWEWSNNEESESNWNSEEENWWESSWEEWWSWESSNNEEWWNSSWSNEWSENSNNSENNSSNSSEEEE...
output:
27 27
result:
ok 2 lines
Test #12:
score: 0
Accepted
time: 5ms
memory: 16008kb
input:
100000 10 10 EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE...
output:
1 16
result:
ok 2 lines
Test #13:
score: 0
Accepted
time: 18ms
memory: 15984kb
input:
100000 1 1 WWSSSWEEEEESSNSSSSENWSESSNSWWSWESWSEEWSNSSEESSWESNNNENENWEENSSSSSNENESEESEWWSNNWSEWSWNWESSWNWSEESNSWSWENWEWNWESEWSSNSWENEWNNSWEEWWSSSWNSNWWWNSSWSSNSENESENNNENWESSENNEWENWEENWNWSSSWWWSNWESWEESNNNESNNEESNEWSSNNSSWSSESNSNNWENENEWWWSEESNWEWWNWNNSSNEEWSWNSWEESNSNSNEWNNWWWWSSWSWWESWWENSENWNWNWN...
output:
1 1
result:
ok 2 lines
Test #14:
score: 0
Accepted
time: 19ms
memory: 16536kb
input:
100000 50 50 ENWNNWEESNSNSSESSWNEWWESNWEENNEEWWEWNNESSSEWSWNWEWSSNEEWNSEWSSWNESWSWESEWWSENEWESEWSWSNNWWESSSWSSSESESNSSNESSSWSNWSSSENSWWNWNWNNNSNSNSEENWESENEENNESENSENNWEEESENWSESWSNWNNNSNSNWWENWEEEWSNWWEWSWNSEEEWEWWNSWNNNWWENSNSWWSNNWESNSSSWWNSEWSNWNEEESSEWEESENEESWSNNWSNESEESWEESNWSEEWWSSWESENESSSE...
output:
2500 2500
result:
ok 2 lines
Test #15:
score: 0
Accepted
time: 0ms
memory: 15944kb
input:
100 10 10 NENNWNSNNEWNENENNWWNEWNSNWWSSSNSNESSESWESSNNNNEWSWESNSNWSENWNSESNENWSWEWWWNSNWNWESNSESENNWNNWSSWSNSE 2 1 4 1 4 2 1 3 2 4 1 4 4 4 3 3 4 2 2 1 1 3 1 4 2 2 1 4 2 2 2 3 4 3 3 3 1 2 4 1 2 2 3 4 3 4 4 1 3 4 1 4 4 3 4 4 1 4 4 2 1 4 3 4 1 1 3 3 4 3 4 4 1 2 3 3 2 3 4 4 2 4 2 1 1 3 4 2 4 4 2 1 2 3 4...
output:
1 1
result:
ok 2 lines
Test #16:
score: -6
Wrong Answer
time: 14ms
memory: 15980kb
input:
100000 50 2 ESNNNSWNNESEWSWWWSENWENSWSNSENSWSENWWNEENNWWNESWNWSEWSWWNSSWSSNENSWWWEEEEENSNWWNNESEWSSNSEEENWWNWWNEENSENWSWEWWNNWWNESSSNWNWWSEWEESESNEEEWNNWWEEEESWSEWWNNSNENWWSEEWNWSNWWEEWNSNWWWWWNWWNNSENNEWSEWENSSSSNWSSSNWSNSNEWESEESWWSEEWWWNWWNESNSNSSNEEWSSENNNEEENSNEEEESNSWNNESEENNEESNSSWENSWSWSNSEE...
output:
42 42
result:
wrong answer 1st lines differ - expected: '46', found: '42'
Subtask #3:
score: 0
Skipped
Dependency #1:
0%