#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define f first
#define s second
#define pb push_back
#define ep emplace
#define eb emplace_back
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define uniquev(v) sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define mem(f,x) memset(f , x , sizeof(f))
#define sz(x) (int)(x).size()
#define __lcm(a, b) (1ll * ((a) / __gcd((a), (b))) * (b))
#define mxx *max_element
#define mnn *min_element
#define cntbit(x) __builtin_popcountll(x)
#define len(x) (int)(x.length())
const int M = 1e5 + 100;
const int N = M;
const int SZ = 1000;
int t[N], x[N], l[N], r[N], n, m, change[M], L[M], P[M], sz[N], y[N], p[N], C[N], ans[N];
vector <pair <int, int>> save[M];
int cov(int a, int b) {
return (a - 1) * m + b;
}
int get(int a) {
return p[a] ? get(p[a]) : a;
}
int cc[N];
unordered_map <int, int> mp[N];
void unite(int a, int b) {
a = get(a), b = get(b);
if (a == b)
return;
if (sz[a] < sz[b])
swap(a, b);
sz[a] += sz[b];
p[b] = a;
for (auto &x : mp[b]) {
int &t = mp[a][x.f];
if (t == 0 && x.s)
cc[a]++;
t += x.s;
}
}
vector <vector <int>> action;
void upd(int c, int x) {
c = get(c);
int &t = mp[c][x];
if (t == 0)
cc[c]++;
action.pb({c, x, t});
t++;
}
void rollback() {
while (sz(action)) {
auto t = action.back();
action.pop_back();
if (t[2] == 0) {
cc[t[0]]--;
}
mp[t[0]][t[1]] = t[2];
}
}
ll solve() {
mem(L, 0x3f);
mem(P, 0x3f);
int q;
cin >> n >> m >> q;
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
cin >> L[cov(i, j)];
vector <vector <int>> edge;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
if (i < n)
edge.pb({max(L[cov(i + 1, j)], L[cov(i, j)]), cov(i + 1, j), cov(i, j)});
if (j < m)
edge.pb({max(L[cov(i, j + 1)], L[cov(i, j)]), cov(i, j + 1), cov(i, j)});
}
}
sort(all(edge), [&](vector <int> a, vector <int> b) { return a[0] < b[0]; });
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
cin >> P[cov(i, j)];
for (int i = 1; i <= q; i++) {
cin >> t[i] >> y[i] >> x[i] >> r[i];
}
for (int i = 1; i <= q; i += SZ) {
int X = i, Y = min(q, i + SZ - 1);
vector <int> ask, up;
for (int j = X; j <= Y; j++) {
if (t[j] == 2) {
ask.pb(j);
} else {
up.pb(j);
change[cov(x[j], y[j])] = 1;
}
}
for (int j = X; j <= Y; j++) {
if (t[j] == 1) {
P[cov(x[j], y[j])] = r[j];
} else {
save[j - X].clear();
for (auto t : up) {
save[j - X].pb({cov(x[t], y[t]), P[cov(x[t], y[t])]});
}
}
}
sort(all(ask), [&](int a, int b) { return r[a] < r[b]; });
for (int j = 1; j <= n * m; j++) {
mp[j].clear();
if (change[j] == 0) {
cc[j] = 1;
mp[j][P[j]]++;
} else {
cc[j] = 0;
}
sz[j] = 1;
p[j] = 0;
}
int j = 0;
for (auto id : ask) {
while (j < sz(edge) && r[id] >= edge[j][0]) {
unite(edge[j][1], edge[j][2]);
j++;
}
for (auto t : save[id - X]) {
upd(t.f, t.s);
}
if (r[id] >= L[cov(x[id], y[id])])
ans[id] = cc[get(cov(x[id], y[id]))];
rollback();
}
for (auto id : up)
change[cov(x[id], y[id])] = 0;
}
for (int i = 1; i <= q; i++) {
if (t[i] == 2) {
cout << ans[i] << "\n";
}
}
return 0;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t = 1;
//cin >> t;
while (t--) {
solve();
//cout << solve() << '\n';
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
63 ms |
23560 KB |
Output is correct |
2 |
Correct |
77 ms |
24644 KB |
Output is correct |
3 |
Correct |
111 ms |
24324 KB |
Output is correct |
4 |
Correct |
69 ms |
24084 KB |
Output is correct |
5 |
Correct |
99 ms |
24628 KB |
Output is correct |
6 |
Correct |
85 ms |
23812 KB |
Output is correct |
7 |
Correct |
74 ms |
24584 KB |
Output is correct |
8 |
Correct |
103 ms |
24760 KB |
Output is correct |
9 |
Correct |
78 ms |
24544 KB |
Output is correct |
10 |
Correct |
80 ms |
25084 KB |
Output is correct |
11 |
Correct |
76 ms |
24628 KB |
Output is correct |
12 |
Correct |
82 ms |
25392 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
68 ms |
22920 KB |
Output is correct |
2 |
Correct |
67 ms |
22824 KB |
Output is correct |
3 |
Correct |
70 ms |
23104 KB |
Output is correct |
4 |
Correct |
75 ms |
24056 KB |
Output is correct |
5 |
Correct |
77 ms |
24036 KB |
Output is correct |
6 |
Correct |
91 ms |
24576 KB |
Output is correct |
7 |
Correct |
103 ms |
25648 KB |
Output is correct |
8 |
Correct |
123 ms |
26344 KB |
Output is correct |
9 |
Correct |
112 ms |
25556 KB |
Output is correct |
10 |
Correct |
155 ms |
28368 KB |
Output is correct |
11 |
Correct |
132 ms |
27076 KB |
Output is correct |
12 |
Correct |
142 ms |
30072 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
964 ms |
24336 KB |
Output is correct |
2 |
Correct |
2633 ms |
31676 KB |
Output is correct |
3 |
Correct |
2126 ms |
31592 KB |
Output is correct |
4 |
Correct |
1963 ms |
32840 KB |
Output is correct |
5 |
Correct |
2395 ms |
33640 KB |
Output is correct |
6 |
Correct |
979 ms |
26144 KB |
Output is correct |
7 |
Correct |
3865 ms |
35080 KB |
Output is correct |
8 |
Correct |
4083 ms |
34964 KB |
Output is correct |
9 |
Correct |
4162 ms |
34956 KB |
Output is correct |
10 |
Correct |
4246 ms |
34816 KB |
Output is correct |
11 |
Correct |
3526 ms |
34420 KB |
Output is correct |
12 |
Correct |
4455 ms |
35032 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
63 ms |
23560 KB |
Output is correct |
2 |
Correct |
77 ms |
24644 KB |
Output is correct |
3 |
Correct |
111 ms |
24324 KB |
Output is correct |
4 |
Correct |
69 ms |
24084 KB |
Output is correct |
5 |
Correct |
99 ms |
24628 KB |
Output is correct |
6 |
Correct |
85 ms |
23812 KB |
Output is correct |
7 |
Correct |
74 ms |
24584 KB |
Output is correct |
8 |
Correct |
103 ms |
24760 KB |
Output is correct |
9 |
Correct |
78 ms |
24544 KB |
Output is correct |
10 |
Correct |
80 ms |
25084 KB |
Output is correct |
11 |
Correct |
76 ms |
24628 KB |
Output is correct |
12 |
Correct |
82 ms |
25392 KB |
Output is correct |
13 |
Correct |
843 ms |
24192 KB |
Output is correct |
14 |
Correct |
2655 ms |
31636 KB |
Output is correct |
15 |
Correct |
2266 ms |
31528 KB |
Output is correct |
16 |
Correct |
1680 ms |
31276 KB |
Output is correct |
17 |
Correct |
2843 ms |
31644 KB |
Output is correct |
18 |
Correct |
945 ms |
24700 KB |
Output is correct |
19 |
Correct |
2490 ms |
31936 KB |
Output is correct |
20 |
Correct |
2782 ms |
31480 KB |
Output is correct |
21 |
Correct |
2320 ms |
31700 KB |
Output is correct |
22 |
Correct |
2937 ms |
31960 KB |
Output is correct |
23 |
Correct |
2665 ms |
31476 KB |
Output is correct |
24 |
Correct |
3295 ms |
32740 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
63 ms |
23560 KB |
Output is correct |
2 |
Correct |
77 ms |
24644 KB |
Output is correct |
3 |
Correct |
111 ms |
24324 KB |
Output is correct |
4 |
Correct |
69 ms |
24084 KB |
Output is correct |
5 |
Correct |
99 ms |
24628 KB |
Output is correct |
6 |
Correct |
85 ms |
23812 KB |
Output is correct |
7 |
Correct |
74 ms |
24584 KB |
Output is correct |
8 |
Correct |
103 ms |
24760 KB |
Output is correct |
9 |
Correct |
78 ms |
24544 KB |
Output is correct |
10 |
Correct |
80 ms |
25084 KB |
Output is correct |
11 |
Correct |
76 ms |
24628 KB |
Output is correct |
12 |
Correct |
82 ms |
25392 KB |
Output is correct |
13 |
Correct |
68 ms |
22920 KB |
Output is correct |
14 |
Correct |
67 ms |
22824 KB |
Output is correct |
15 |
Correct |
70 ms |
23104 KB |
Output is correct |
16 |
Correct |
75 ms |
24056 KB |
Output is correct |
17 |
Correct |
77 ms |
24036 KB |
Output is correct |
18 |
Correct |
91 ms |
24576 KB |
Output is correct |
19 |
Correct |
103 ms |
25648 KB |
Output is correct |
20 |
Correct |
123 ms |
26344 KB |
Output is correct |
21 |
Correct |
112 ms |
25556 KB |
Output is correct |
22 |
Correct |
155 ms |
28368 KB |
Output is correct |
23 |
Correct |
132 ms |
27076 KB |
Output is correct |
24 |
Correct |
142 ms |
30072 KB |
Output is correct |
25 |
Correct |
964 ms |
24336 KB |
Output is correct |
26 |
Correct |
2633 ms |
31676 KB |
Output is correct |
27 |
Correct |
2126 ms |
31592 KB |
Output is correct |
28 |
Correct |
1963 ms |
32840 KB |
Output is correct |
29 |
Correct |
2395 ms |
33640 KB |
Output is correct |
30 |
Correct |
979 ms |
26144 KB |
Output is correct |
31 |
Correct |
3865 ms |
35080 KB |
Output is correct |
32 |
Correct |
4083 ms |
34964 KB |
Output is correct |
33 |
Correct |
4162 ms |
34956 KB |
Output is correct |
34 |
Correct |
4246 ms |
34816 KB |
Output is correct |
35 |
Correct |
3526 ms |
34420 KB |
Output is correct |
36 |
Correct |
4455 ms |
35032 KB |
Output is correct |
37 |
Correct |
843 ms |
24192 KB |
Output is correct |
38 |
Correct |
2655 ms |
31636 KB |
Output is correct |
39 |
Correct |
2266 ms |
31528 KB |
Output is correct |
40 |
Correct |
1680 ms |
31276 KB |
Output is correct |
41 |
Correct |
2843 ms |
31644 KB |
Output is correct |
42 |
Correct |
945 ms |
24700 KB |
Output is correct |
43 |
Correct |
2490 ms |
31936 KB |
Output is correct |
44 |
Correct |
2782 ms |
31480 KB |
Output is correct |
45 |
Correct |
2320 ms |
31700 KB |
Output is correct |
46 |
Correct |
2937 ms |
31960 KB |
Output is correct |
47 |
Correct |
2665 ms |
31476 KB |
Output is correct |
48 |
Correct |
3295 ms |
32740 KB |
Output is correct |
49 |
Correct |
916 ms |
24300 KB |
Output is correct |
50 |
Correct |
2937 ms |
31884 KB |
Output is correct |
51 |
Correct |
2422 ms |
31696 KB |
Output is correct |
52 |
Correct |
1831 ms |
33448 KB |
Output is correct |
53 |
Correct |
2945 ms |
34412 KB |
Output is correct |
54 |
Correct |
1101 ms |
26324 KB |
Output is correct |
55 |
Correct |
3518 ms |
34672 KB |
Output is correct |
56 |
Correct |
4848 ms |
35440 KB |
Output is correct |
57 |
Correct |
3697 ms |
35148 KB |
Output is correct |
58 |
Execution timed out |
5059 ms |
37124 KB |
Time limit exceeded |
59 |
Halted |
0 ms |
0 KB |
- |