#include <bits/stdc++.h>
#define fr(i, n, m) for(int i = (n); i < (m); i ++)
#define pb push_back
#define st first
#define nd second
#define pq priority_queue
#define all(x) begin(x), end(x)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
const int i_inf = 1e9;
const ll inf = 4e9;
const ll mod = 1e9+7;
const ld eps = 1e-13;
const ld pi = 3.14159265359;
mt19937 _rand(time(NULL));
clock_t z;
const int mxn = 1e5;
const int bsz = 800;
int n, m, q;
int t[mxn], a[mxn], b[mxn];
int l[mxn], r[mxn], w[mxn];
int neww[mxn];
bool nonstat[mxn];
int link[mxn];
int siz[mxn];
int findx(int x){
if(x == link[x]) return x;
link[x] = findx(link[x]);
return link[x];
}
void unite(int u, int v){
u = findx(u);
v = findx(v);
if(u == v) return;
if(siz[u] < siz[v]) swap(u, v);
link[v] = u;
siz[u] += siz[v];
}
vector<int> G[mxn];
bool vis[mxn];
int dfs(int u){
vis[u] = true;
int ret = siz[u];
for(auto e : G[u]){
if(!vis[e]){
ret += dfs(e);
}
}
return ret;
}
int ans[mxn];
void compress(){
vector<pair<int,int> > v;
fr(i, 0, m){
v.pb({w[i], (i+1)});
}
fr(i, 0, q){
v.pb({b[i], -i});
}
sort(all(v));
int pr = -1;
int val= -1;
for(auto u : v){
if(u.st != pr) ++val;
if(u.nd > 0){
w[u.nd-1] = val;
}
else{
b[-u.nd] = val;
}
pr = u.st;
}
}
vector<pair<int,int> > SOS[3*mxn];
void solve(){
cin >> n >> m;
fr(i, 0, m){
cin >> l[i] >> r[i] >> w[i];
--l[i];
--r[i];
}
cin >> q;
fr(i, 0, q){
cin >> t[i] >> a[i] >> b[i];
--a[i];
}
compress();
vector<pair<int,int> > g;
vector<int> v;
fr(bi, 0, (q+bsz-1)/bsz){
memset(nonstat, false, sizeof(nonstat));
v.clear();
g.clear();
fr(i, 0, n){
link[i] = i;
siz[i] = 1;
}
fr(i, bi*bsz, min(q, (bi+1)*bsz)){
if(t[i] == 1){
nonstat[a[i]] = true;
}
else{
SOS[b[i]].pb({1, i});
}
}
fr(i, 0, m){
if(!nonstat[i]){
SOS[w[i]].pb({0, i});
}
else{
v.pb(i);
}
}
for(int i = q+m; i >= 0; i --){
while(!SOS[i].empty()){
g.pb(SOS[i].back());
SOS[i].pop_back();
}
}
//sort(all(g));
for(auto u : g){
if(u.st == 0){
unite(l[u.nd], r[u.nd]);
}
else{
for(auto edge : v) neww[edge] = -1;
int pos = u.nd;
fr(i, bi*bsz, min(q, (bi+1)*bsz)){
if(t[i] != 1) continue;
if(i < pos){
neww[a[i]] = b[i];
}
else if(neww[a[i]] == -1){
neww[a[i]] = w[a[i]];
}
}
for(auto edge : v){
if(neww[edge] >= b[pos]){
int A = findx(l[edge]);
int B = findx(r[edge]);
vis[A] = vis[B] = false;
G[A].pb(B);
G[B].pb(A);
}
}
ans[pos] = dfs(findx(a[pos]));
for(auto edge : v){
if(neww[edge] >= b[pos]){
int A = findx(l[edge]);
int B = findx(r[edge]);
G[A].pop_back();
G[B].pop_back();
}
}
}
}
fr(i, bi*bsz, min(q, (bi+1)*bsz)){
if(t[i] == 1){
w[a[i]] = b[i];
}
}
}
fr(i, 0, q){
if(t[i] == 2){
cout<<ans[i]<<endl;
}
}
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
9804 KB |
Output is correct |
2 |
Correct |
5 ms |
9804 KB |
Output is correct |
3 |
Correct |
76 ms |
10332 KB |
Output is correct |
4 |
Correct |
30 ms |
10336 KB |
Output is correct |
5 |
Correct |
40 ms |
10144 KB |
Output is correct |
6 |
Correct |
36 ms |
10140 KB |
Output is correct |
7 |
Correct |
45 ms |
10140 KB |
Output is correct |
8 |
Correct |
39 ms |
10152 KB |
Output is correct |
9 |
Correct |
44 ms |
10148 KB |
Output is correct |
10 |
Correct |
38 ms |
10124 KB |
Output is correct |
11 |
Correct |
45 ms |
10236 KB |
Output is correct |
12 |
Correct |
40 ms |
10132 KB |
Output is correct |
13 |
Correct |
46 ms |
10136 KB |
Output is correct |
14 |
Correct |
44 ms |
10168 KB |
Output is correct |
15 |
Correct |
43 ms |
10108 KB |
Output is correct |
16 |
Correct |
40 ms |
10136 KB |
Output is correct |
17 |
Correct |
44 ms |
10156 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1981 ms |
19104 KB |
Output is correct |
2 |
Correct |
2025 ms |
19004 KB |
Output is correct |
3 |
Correct |
1956 ms |
19008 KB |
Output is correct |
4 |
Correct |
1987 ms |
19012 KB |
Output is correct |
5 |
Correct |
1939 ms |
19088 KB |
Output is correct |
6 |
Correct |
2795 ms |
17624 KB |
Output is correct |
7 |
Correct |
2663 ms |
17868 KB |
Output is correct |
8 |
Correct |
2517 ms |
18132 KB |
Output is correct |
9 |
Correct |
258 ms |
14684 KB |
Output is correct |
10 |
Correct |
1783 ms |
15080 KB |
Output is correct |
11 |
Correct |
1647 ms |
15236 KB |
Output is correct |
12 |
Correct |
1520 ms |
17752 KB |
Output is correct |
13 |
Correct |
1648 ms |
18328 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1612 ms |
17544 KB |
Output is correct |
2 |
Correct |
1288 ms |
14752 KB |
Output is correct |
3 |
Correct |
1937 ms |
16980 KB |
Output is correct |
4 |
Correct |
1676 ms |
17608 KB |
Output is correct |
5 |
Correct |
266 ms |
14676 KB |
Output is correct |
6 |
Correct |
1890 ms |
17680 KB |
Output is correct |
7 |
Correct |
1529 ms |
17716 KB |
Output is correct |
8 |
Correct |
1347 ms |
17484 KB |
Output is correct |
9 |
Correct |
1129 ms |
17380 KB |
Output is correct |
10 |
Correct |
1027 ms |
17148 KB |
Output is correct |
11 |
Correct |
1079 ms |
17428 KB |
Output is correct |
12 |
Correct |
964 ms |
17564 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2099 ms |
20460 KB |
Output is correct |
2 |
Correct |
323 ms |
14592 KB |
Output is correct |
3 |
Correct |
191 ms |
16096 KB |
Output is correct |
4 |
Correct |
113 ms |
14244 KB |
Output is correct |
5 |
Correct |
897 ms |
16320 KB |
Output is correct |
6 |
Correct |
1891 ms |
20372 KB |
Output is correct |
7 |
Correct |
848 ms |
16268 KB |
Output is correct |
8 |
Correct |
1042 ms |
17680 KB |
Output is correct |
9 |
Correct |
1155 ms |
17704 KB |
Output is correct |
10 |
Correct |
853 ms |
17736 KB |
Output is correct |
11 |
Correct |
1548 ms |
18980 KB |
Output is correct |
12 |
Correct |
1597 ms |
18972 KB |
Output is correct |
13 |
Correct |
1431 ms |
19216 KB |
Output is correct |
14 |
Correct |
884 ms |
16608 KB |
Output is correct |
15 |
Correct |
909 ms |
16344 KB |
Output is correct |
16 |
Correct |
2041 ms |
20320 KB |
Output is correct |
17 |
Correct |
2099 ms |
20372 KB |
Output is correct |
18 |
Correct |
2112 ms |
20468 KB |
Output is correct |
19 |
Correct |
2005 ms |
20384 KB |
Output is correct |
20 |
Correct |
1448 ms |
19752 KB |
Output is correct |
21 |
Correct |
1469 ms |
19572 KB |
Output is correct |
22 |
Correct |
1754 ms |
20336 KB |
Output is correct |
23 |
Correct |
1000 ms |
15904 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1981 ms |
19104 KB |
Output is correct |
2 |
Correct |
2025 ms |
19004 KB |
Output is correct |
3 |
Correct |
1956 ms |
19008 KB |
Output is correct |
4 |
Correct |
1987 ms |
19012 KB |
Output is correct |
5 |
Correct |
1939 ms |
19088 KB |
Output is correct |
6 |
Correct |
2795 ms |
17624 KB |
Output is correct |
7 |
Correct |
2663 ms |
17868 KB |
Output is correct |
8 |
Correct |
2517 ms |
18132 KB |
Output is correct |
9 |
Correct |
258 ms |
14684 KB |
Output is correct |
10 |
Correct |
1783 ms |
15080 KB |
Output is correct |
11 |
Correct |
1647 ms |
15236 KB |
Output is correct |
12 |
Correct |
1520 ms |
17752 KB |
Output is correct |
13 |
Correct |
1648 ms |
18328 KB |
Output is correct |
14 |
Correct |
1612 ms |
17544 KB |
Output is correct |
15 |
Correct |
1288 ms |
14752 KB |
Output is correct |
16 |
Correct |
1937 ms |
16980 KB |
Output is correct |
17 |
Correct |
1676 ms |
17608 KB |
Output is correct |
18 |
Correct |
266 ms |
14676 KB |
Output is correct |
19 |
Correct |
1890 ms |
17680 KB |
Output is correct |
20 |
Correct |
1529 ms |
17716 KB |
Output is correct |
21 |
Correct |
1347 ms |
17484 KB |
Output is correct |
22 |
Correct |
1129 ms |
17380 KB |
Output is correct |
23 |
Correct |
1027 ms |
17148 KB |
Output is correct |
24 |
Correct |
1079 ms |
17428 KB |
Output is correct |
25 |
Correct |
964 ms |
17564 KB |
Output is correct |
26 |
Correct |
2089 ms |
19092 KB |
Output is correct |
27 |
Correct |
2561 ms |
18244 KB |
Output is correct |
28 |
Correct |
2194 ms |
19056 KB |
Output is correct |
29 |
Correct |
1520 ms |
19100 KB |
Output is correct |
30 |
Correct |
2609 ms |
18732 KB |
Output is correct |
31 |
Correct |
2550 ms |
18584 KB |
Output is correct |
32 |
Correct |
2520 ms |
18628 KB |
Output is correct |
33 |
Correct |
2122 ms |
19264 KB |
Output is correct |
34 |
Correct |
2140 ms |
19220 KB |
Output is correct |
35 |
Correct |
2135 ms |
18980 KB |
Output is correct |
36 |
Correct |
1573 ms |
18968 KB |
Output is correct |
37 |
Correct |
1599 ms |
19400 KB |
Output is correct |
38 |
Correct |
1539 ms |
18992 KB |
Output is correct |
39 |
Correct |
1164 ms |
18596 KB |
Output is correct |
40 |
Correct |
1163 ms |
18524 KB |
Output is correct |
41 |
Correct |
1153 ms |
18400 KB |
Output is correct |
42 |
Correct |
1186 ms |
19068 KB |
Output is correct |
43 |
Correct |
1160 ms |
19164 KB |
Output is correct |
44 |
Correct |
1139 ms |
19068 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
9804 KB |
Output is correct |
2 |
Correct |
5 ms |
9804 KB |
Output is correct |
3 |
Correct |
76 ms |
10332 KB |
Output is correct |
4 |
Correct |
30 ms |
10336 KB |
Output is correct |
5 |
Correct |
40 ms |
10144 KB |
Output is correct |
6 |
Correct |
36 ms |
10140 KB |
Output is correct |
7 |
Correct |
45 ms |
10140 KB |
Output is correct |
8 |
Correct |
39 ms |
10152 KB |
Output is correct |
9 |
Correct |
44 ms |
10148 KB |
Output is correct |
10 |
Correct |
38 ms |
10124 KB |
Output is correct |
11 |
Correct |
45 ms |
10236 KB |
Output is correct |
12 |
Correct |
40 ms |
10132 KB |
Output is correct |
13 |
Correct |
46 ms |
10136 KB |
Output is correct |
14 |
Correct |
44 ms |
10168 KB |
Output is correct |
15 |
Correct |
43 ms |
10108 KB |
Output is correct |
16 |
Correct |
40 ms |
10136 KB |
Output is correct |
17 |
Correct |
44 ms |
10156 KB |
Output is correct |
18 |
Correct |
1981 ms |
19104 KB |
Output is correct |
19 |
Correct |
2025 ms |
19004 KB |
Output is correct |
20 |
Correct |
1956 ms |
19008 KB |
Output is correct |
21 |
Correct |
1987 ms |
19012 KB |
Output is correct |
22 |
Correct |
1939 ms |
19088 KB |
Output is correct |
23 |
Correct |
2795 ms |
17624 KB |
Output is correct |
24 |
Correct |
2663 ms |
17868 KB |
Output is correct |
25 |
Correct |
2517 ms |
18132 KB |
Output is correct |
26 |
Correct |
258 ms |
14684 KB |
Output is correct |
27 |
Correct |
1783 ms |
15080 KB |
Output is correct |
28 |
Correct |
1647 ms |
15236 KB |
Output is correct |
29 |
Correct |
1520 ms |
17752 KB |
Output is correct |
30 |
Correct |
1648 ms |
18328 KB |
Output is correct |
31 |
Correct |
1612 ms |
17544 KB |
Output is correct |
32 |
Correct |
1288 ms |
14752 KB |
Output is correct |
33 |
Correct |
1937 ms |
16980 KB |
Output is correct |
34 |
Correct |
1676 ms |
17608 KB |
Output is correct |
35 |
Correct |
266 ms |
14676 KB |
Output is correct |
36 |
Correct |
1890 ms |
17680 KB |
Output is correct |
37 |
Correct |
1529 ms |
17716 KB |
Output is correct |
38 |
Correct |
1347 ms |
17484 KB |
Output is correct |
39 |
Correct |
1129 ms |
17380 KB |
Output is correct |
40 |
Correct |
1027 ms |
17148 KB |
Output is correct |
41 |
Correct |
1079 ms |
17428 KB |
Output is correct |
42 |
Correct |
964 ms |
17564 KB |
Output is correct |
43 |
Correct |
2099 ms |
20460 KB |
Output is correct |
44 |
Correct |
323 ms |
14592 KB |
Output is correct |
45 |
Correct |
191 ms |
16096 KB |
Output is correct |
46 |
Correct |
113 ms |
14244 KB |
Output is correct |
47 |
Correct |
897 ms |
16320 KB |
Output is correct |
48 |
Correct |
1891 ms |
20372 KB |
Output is correct |
49 |
Correct |
848 ms |
16268 KB |
Output is correct |
50 |
Correct |
1042 ms |
17680 KB |
Output is correct |
51 |
Correct |
1155 ms |
17704 KB |
Output is correct |
52 |
Correct |
853 ms |
17736 KB |
Output is correct |
53 |
Correct |
1548 ms |
18980 KB |
Output is correct |
54 |
Correct |
1597 ms |
18972 KB |
Output is correct |
55 |
Correct |
1431 ms |
19216 KB |
Output is correct |
56 |
Correct |
884 ms |
16608 KB |
Output is correct |
57 |
Correct |
909 ms |
16344 KB |
Output is correct |
58 |
Correct |
2041 ms |
20320 KB |
Output is correct |
59 |
Correct |
2099 ms |
20372 KB |
Output is correct |
60 |
Correct |
2112 ms |
20468 KB |
Output is correct |
61 |
Correct |
2005 ms |
20384 KB |
Output is correct |
62 |
Correct |
1448 ms |
19752 KB |
Output is correct |
63 |
Correct |
1469 ms |
19572 KB |
Output is correct |
64 |
Correct |
1754 ms |
20336 KB |
Output is correct |
65 |
Correct |
1000 ms |
15904 KB |
Output is correct |
66 |
Correct |
2089 ms |
19092 KB |
Output is correct |
67 |
Correct |
2561 ms |
18244 KB |
Output is correct |
68 |
Correct |
2194 ms |
19056 KB |
Output is correct |
69 |
Correct |
1520 ms |
19100 KB |
Output is correct |
70 |
Correct |
2609 ms |
18732 KB |
Output is correct |
71 |
Correct |
2550 ms |
18584 KB |
Output is correct |
72 |
Correct |
2520 ms |
18628 KB |
Output is correct |
73 |
Correct |
2122 ms |
19264 KB |
Output is correct |
74 |
Correct |
2140 ms |
19220 KB |
Output is correct |
75 |
Correct |
2135 ms |
18980 KB |
Output is correct |
76 |
Correct |
1573 ms |
18968 KB |
Output is correct |
77 |
Correct |
1599 ms |
19400 KB |
Output is correct |
78 |
Correct |
1539 ms |
18992 KB |
Output is correct |
79 |
Correct |
1164 ms |
18596 KB |
Output is correct |
80 |
Correct |
1163 ms |
18524 KB |
Output is correct |
81 |
Correct |
1153 ms |
18400 KB |
Output is correct |
82 |
Correct |
1186 ms |
19068 KB |
Output is correct |
83 |
Correct |
1160 ms |
19164 KB |
Output is correct |
84 |
Correct |
1139 ms |
19068 KB |
Output is correct |
85 |
Correct |
2887 ms |
21908 KB |
Output is correct |
86 |
Correct |
251 ms |
16408 KB |
Output is correct |
87 |
Correct |
206 ms |
14620 KB |
Output is correct |
88 |
Correct |
1846 ms |
16844 KB |
Output is correct |
89 |
Correct |
2909 ms |
21796 KB |
Output is correct |
90 |
Correct |
1849 ms |
16400 KB |
Output is correct |
91 |
Correct |
2181 ms |
19132 KB |
Output is correct |
92 |
Correct |
2149 ms |
19148 KB |
Output is correct |
93 |
Correct |
2859 ms |
18384 KB |
Output is correct |
94 |
Correct |
2552 ms |
20592 KB |
Output is correct |
95 |
Correct |
2560 ms |
20460 KB |
Output is correct |
96 |
Correct |
2750 ms |
19752 KB |
Output is correct |
97 |
Correct |
1253 ms |
16484 KB |
Output is correct |
98 |
Correct |
1143 ms |
16188 KB |
Output is correct |
99 |
Correct |
2894 ms |
21832 KB |
Output is correct |
100 |
Correct |
2849 ms |
25444 KB |
Output is correct |
101 |
Correct |
2905 ms |
25584 KB |
Output is correct |
102 |
Correct |
2931 ms |
25452 KB |
Output is correct |
103 |
Correct |
2810 ms |
23064 KB |
Output is correct |
104 |
Correct |
2839 ms |
23296 KB |
Output is correct |
105 |
Correct |
2075 ms |
23276 KB |
Output is correct |
106 |
Correct |
1665 ms |
23060 KB |
Output is correct |
107 |
Correct |
1891 ms |
23112 KB |
Output is correct |
108 |
Correct |
2968 ms |
24268 KB |
Output is correct |
109 |
Correct |
2083 ms |
18164 KB |
Output is correct |