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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#811134 | #1127. Virus Experiment | _8_8_ | 0 | 960ms | 493844kb | C++20 | 6.0kb | 2024-12-12 15:44:12 | 2024-12-12 15:44:13 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = (int)1e6 + 12, MOD = 998244353, maxn = 805;
const int dx[] = {1, 0, -1, 0}, dy[] = {0, 1, 0, -1};
int n, r, c, u[maxn][maxn], mx = 0, e[N];
string s, t;
vector<int> P[4];
vector<vector<int>> w[N];
int conv(int x, int y) {
return (x - 1) * c + y;
}
bool bl[N];
int lst_a = -1;
void prec() {
cin >> s;
for(int i = 1; i <= r; i++) {
for(int j = 1; j <= c; j++) {
cin >> u[i][j];
if(!u[i][j]) {
u[i][j] = (int)1e9;
bl[conv(i, j)] = 1;
}
}
}
for(int i = 0; i < n; i++) {
if(s[i] == 'N') {
e[i] = 0;
} else if(s[i] == 'S') {
e[i] = 2;
} else if(s[i] == 'E') {
e[i] = 3;
} else {
e[i] = 1;
}
P[e[i]].push_back(i);
}
for(int i = 1; i < (1 << 4); i++) {
vector<int> f;
for(int j = 0; j < 4; j++) {
if(!((i >> j) & 1)) {
for(int j : P[j]) {
f.push_back(j);
}
}
}
int mx = 0;
if(f.empty()) {
mx = (int)1e6;
} else {
sort(f.begin(), f.end());
mx = f[0] + (n - 1 - f.back());
for(int l = 1; l < (int)f.size(); l++) {
mx = max(mx, f[l] - f[l - 1] - 1);
}
}
for(int x = 1; x <= r; x++) {
for(int y = 1; y <= c; y++) {
if(u[x][y] > mx) continue;
bool ok = 1;
vector<int> nv;
for(int j = 0; j < 4; j++) {
if((i >> j) & 1) {
int kx = x - dx[j], ky = y - dy[j];
if(kx >= 1 && kx <= r && ky >= 1 && ky <= c) {
nv.push_back(conv(kx, ky));
} else {
ok = 0;
}
}
}
if(!ok) continue;
w[conv(x, y)].push_back(nv);
}
}
}
n = r * c;
}
bool is[N];
int p[N], pr[N], bfc[N];
vector<vector<int>> g;
int us[N], timer, m, sn[N];
bool del[N];
void make(int tc) {
timer++;
for(int i = 1; i <= n; i++) {
bfc[i] = 0;
sn[i]= 0;
}
int aa = 0;
for(int i = 1; i <= n; i++) {
if(bl[i]) continue;
for(auto ve : w[i]) {
int lst = -1;
for(int j : ve) {
if(lst == -1) {
lst = p[j];
} else {
if(lst != p[j]) {
lst = -2;
}
}
}
if(lst == -2) continue;
if(lst == p[i]) continue;
if(is[lst] && pr[p[i]] != lst) {
if(us[lst] != timer) {
us[lst] = timer;
g[lst].push_back(p[i]);
}
} else {
g[lst].push_back(p[i]);
sn[lst] = 1;
}
}
}
for(int i = 1; i <= m; i++) {
if(!is[i]) continue;
if(us[i] == timer || sn[i]) {
aa++;
}
}
assert(lst_a == -1 || aa <= (lst_a + 1) / 2);
lst_a = aa;
vector<vector<int>> gt(n + 1);
vector<pair<int, int>> ed;
for(int i = 1; i <= m; i++) {
for(int to : g[i]) {
gt[to].push_back(i);
ed.emplace_back(i, to);
}
}
vector<int> ord;
vector<bool> vis(m + 1, 0);
function<void(int)> dfs = [&](int v){
vis[v] = 1;
for(int to : g[v]) {
if(!vis[to]) {
dfs(to);
}
}
ord.push_back(v);
};
function<void(int, int)> dfs1 = [&](int v, int cl) {
bfc[v] = cl;
for(int to : gt[v]) {
if(!bfc[to]) {
dfs1(to, cl);
}
}
};
for(int i = 1; i <= m; i++) {
if(!vis[i]) {
dfs(i);
}
}
reverse(ord.begin(), ord.end());
assert((int)ord.size() == m);
int t = 0;
for(int i : ord) {
if(!bfc[i]) {
dfs1(i, ++t);
}
}
m = t;
vector<vector<int>> G(n + 1), GT(n + 1);
for(int i = 1; i <= n; i++) {
p[i] = bfc[p[i]];
}
for(auto [x, y] : ed) {
if(bfc[x] != bfc[y]) {
G[bfc[x]].push_back(bfc[y]);
GT[bfc[y]].push_back(bfc[x]);
}
}
g = G;
for(int i = 1; i <= m; i++) {
pr[i] = 0;
}
function<void(int, int)> go = [&](int v, int val) {
pr[v] = val;
for(int to : GT[v]) {
if(!pr[to]) {
go(to, val);
}
}
};
for(int i = 1; i <= m; i++) {
if(G[i].empty()) {
go(i, i);
is[i] = 1;
} else {
is[i] = 0;
}
}
}
int col[N];
bool bl1[N];
void test() {
cin >> n >> r >> c;
prec();
m = n;
g.resize(n + 1);
for(int i = 1; i <= n; i++) {
pr[i] = p[i] = i;
is[i] = 1;
}
if(r <800 || c < 800) for(int i = 0; i < 3; i++) make(1 + i);
else make(0);
for(int i = 1; i <= n; i++) {
if(!is[p[i]]) continue;
col[p[i]]++;
if(bl[i]) {
bl1[p[i]] = 1;
}
}
vector<int> r;
for(int i = 1; i <= m; i++) {
if(is[i] && !bl1[i]) {
r.push_back(col[i]);
}
}
int res = 0;
sort(r.begin(), r.end());
for(int i = 0; i < (int)r.size() && r[i] == r[0]; i++) {
res += r[0];
}
cout << r[0] << '\n' << res << '\n';
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int t = 1;
// cin >> t;
while(t--) {
test();
}
}
详细
Subtask #1:
score: 0
Time Limit Exceeded
Test #1:
score: 14
Accepted
time: 5ms
memory: 18328kb
input:
53768 10 50 EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE...
output:
1 10
result:
ok 2 lines
Test #2:
score: 14
Accepted
time: 818ms
memory: 418392kb
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: 14
Accepted
time: 960ms
memory: 493844kb
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: 14
Accepted
time: 943ms
memory: 492640kb
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: 14
Accepted
time: 373ms
memory: 256120kb
input:
9999 800 800 WWWEEWEEWEWEEEWEEEWWWEWWEEEEEWEEEWWEWWWEWEWEWEEEWWWWWEWEEEEEEWEEWWEWWEEEEWEWWEWWWEEEWWEEWEWWWEWWEWWEEEWWWEWEEWWEWEWWWEWWWEEEWWEEEWWEEEWWWWEWWEWEWWWWEEWEEEWEWWEWEEWEWEEEWEWEEEWWWWEEEEWWWWWWEWWWEWEWWWEWEWWWEWWEEEEWWEEEEEWEWEWWWEWEEEEWEEEEWEEWEEEEEWEWWEEEWWEEEWEEEEWWEWWEEWEEWEWWEWWWEWEEEWE...
output:
1 639810
result:
ok 2 lines
Test #6:
score: 14
Accepted
time: 2ms
memory: 21868kb
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: 0
Time Limit Exceeded
input:
100000 800 800 WWEEWEEWEEEWEEWWWWWEEEWWWEEEWEWWEWEEEWWWEEEWEWWWWEEWWEWEEEEEEWWEEEWWWWWWWEWWWEEWWWWWWEEWEWEWEEWEWEWEWWEEEEWEEEEWEWWWWEEEEWWWEWWWEWWEWEWWWEWEWEWWEEEEEEWEEEEEWEEEEEWEEEWEEEEEEEWEWWWEWWWEWWWWEEWWEWEEEWWWWEEEEEEWWWEEEEEWEWEWWEWEEEEEEEWEEWWEWWEEWWEEEEEWWEWEWEEWWEEWEEWEWWWWEEWEWEWEEEEEEEWEW...
output:
result:
Subtask #2:
score: 0
Wrong Answer
Test #9:
score: 6
Accepted
time: 0ms
memory: 20124kb
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: 6
Accepted
time: 9ms
memory: 18404kb
input:
100000 10 10 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...
output:
1 10
result:
ok 2 lines
Test #11:
score: 6
Accepted
time: 23ms
memory: 20884kb
input:
100000 11 11 SWNESSSWNSEWNSNESSNWEWEWNSNNSWSSWSEEWNENWSWNNEWWSWNSESSEWENNESSENEEEESEESEWENEWSNSNNSSNNSWSNNSNESWEWSENNSESEEWWNESSNNWWSNWNNWNWNWWSEENNNWESSWNWNSEWWNWNNWSWSEWSENSNWNWNNEESSSENWWESSWEESWWENSSENWNNEESWENWSSSWEEWNWEWNNENNWSWEWSNNEESESNWNSEEENWWESSWEEWWSWESSNNEEWWNSSWSNEWSENSNNSENNSSNSSEEEE...
output:
27 27
result:
ok 2 lines
Test #12:
score: 6
Accepted
time: 11ms
memory: 22416kb
input:
100000 10 10 EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE...
output:
1 16
result:
ok 2 lines
Test #13:
score: 6
Accepted
time: 25ms
memory: 20940kb
input:
100000 1 1 WWSSSWEEEEESSNSSSSENWSESSNSWWSWESWSEEWSNSSEESSWESNNNENENWEENSSSSSNENESEESEWWSNNWSEWSWNWESSWNWSEESNSWSWENWEWNWESEWSSNSWENEWNNSWEEWWSSSWNSNWWWNSSWSSNSENESENNNENWESSENNEWENWEENWNWSSSWWWSNWESWEESNNNESNNEESNEWSSNNSSWSSESNSNNWENENEWWWSEESNWEWWNWNNSSNEEWSWNSWEESNSNSNEWNNWWWWSSWSWWESWWENSENWNWNWN...
output:
1 1
result:
ok 2 lines
Test #14:
score: 6
Accepted
time: 32ms
memory: 23352kb
input:
100000 50 50 ENWNNWEESNSNSSESSWNEWWESNWEENNEEWWEWNNESSSEWSWNWEWSSNEEWNSEWSSWNESWSWESEWWSENEWESEWSWSNNWWESSSWSSSESESNSSNESSSWSNWSSSENSWWNWNWNNNSNSNSEENWESENEENNESENSENNWEEESENWSESWSNWNNNSNSNWWENWEEEWSNWWEWSWNSEEEWEWWNSWNNNWWENSNSWWSNNWESNSSSWWNSEWSNWNEEESSEWEESENEESWSNNWSNESEESWEESNWSEEWWSSWESENESSSE...
output:
2500 2500
result:
ok 2 lines
Test #15:
score: 6
Accepted
time: 0ms
memory: 18080kb
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: 0
Wrong Answer
time: 24ms
memory: 20984kb
input:
100000 50 2 ESNNNSWNNESEWSWWWSENWENSWSNSENSWSENWWNEENNWWNESWNWSEWSWWNSSWSSNENSWWWEEEEENSNWWNNESEWSSNSEEENWWNWWNEENSENWSWEWWNNWWNESSSNWNWWSEWEESESNEEEWNNWWEEEESWSEWWNNSNENWWSEEWNWSNWWEEWNSNWWWWWNWWNNSENNEWSEWENSSSSNWSSSNWSNSNEWESEESWWSEEWWWNWWNESNSNSSNEEWSSENNNEEENSNEEEESNSWNNESEENNEESNSSWENSWSWSNSEE...
output:
45 45
result:
wrong answer 1st lines differ - expected: '46', found: '45'
Subtask #3:
score: 0
Skipped
Dependency #1:
0%