#include<bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC target("avx2,fma")
using namespace std;
int T=340;
int a,b,c,d,e,i,j,ii,jj,zx,xc,tes,t,te,fx[100009],pi,msh[100009],sz[100009],cnt,bo[100009],ans[100009];
int qi,qqi;
int A,B,C,D,E,sub4;
stack <pair <int, int> > M,S;
pair <pair <int, int>, int> P[100009];
pair <int, pair <int, int> > Q[100009],p[100009];
pair <int, int> q[100009],qq[100009];
int fnd(int q){
while(msh[q]!=0) q=msh[q];
return q;
}
void mrg(int q, int w){
q=fnd(q);w=fnd(w);
if(q==w) return;
if(sz[q]<sz[w]) swap(q,w);
M.push(make_pair(w,msh[w]));
S.push(make_pair(q,sz[q]));
msh[w]=q;
sz[q]+=sz[w];
}
void rollback(){
msh[M.top().first]=M.top().second;
sz[S.top().first]=S.top().second;
M.pop();S.pop();
}
void ROLL(int q){
while(M.size()>q){
msh[M.top().first]=M.top().second;
sz[S.top().first]=S.top().second;
M.pop();S.pop();
}
}
int main(){
ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
cin>>a>>b;
for(i=1; i<=b; i++){
cin>>P[i].first.first>>P[i].first.second>>P[i].second;
P[i].second=-P[i].second;
}
cin>>tes;
for(t=1; t<=tes; t++){
cin>>Q[t].first>>Q[t].second.first>>Q[t].second.second;
Q[t].second.second=-Q[t].second.second;
if(Q[t].first==1) sub4=1;
}
if(sub4==0){
T=a;
for(t=1; t<=tes; t++){
ans[t]=-1;
}
for(t=T; ; t+=T){
te=t-T+1;
if(t>tes) t=tes;
if(te>t) break;
pi=0;
for(i=te; i<=t; i++){
if(Q[i].first==1){
fx[Q[i].second.first]=t;
}
}
for(i=1; i<=a; i++){
msh[i]=0;sz[i]=1;
}
while(M.size()) M.pop();
while(S.size()) S.pop();
for(i=1; i<=b; i++){
if(fx[i]==t) continue;
pi++;
p[pi].first=P[i].second;
p[pi].second=P[i].first;
}
sort(p+1,p+pi+1);
qi=0;qqi=0;
for(i=te; i<=t; i++){
if(Q[i].first==1){
}else{
qqi++;
qq[qqi].first=Q[i].second.second;
qq[qqi].second=i;
}
}
sort(qq+1,qq+qqi+1);
A=1;B=1;
for(i=1; i<=qqi; i++){
while(A<=pi&&p[A].first<=qq[i].first){
mrg(p[A].second.first,p[A].second.second);
A++;
}
E=M.size();
c=Q[qq[i].second].second.first;d=qq[i].second;
ans[d]=sz[fnd(c)];
}
for(i=te; i<=t; i++){
if(Q[i].first==1){
P[Q[i].second.first].second=Q[i].second.second;
}
}
}
for(t=1; t<=tes; t++){
if(ans[t]==-1) continue;
cout<<ans[t]<<endl;
}
return 0;
}
for(t=1; t<=tes; t++){
ans[t]=-1;
}
for(t=T; ; t+=T){
te=t-T+1;
if(t>tes) t=tes;
if(te>t) break;
pi=0;
for(i=te; i<=t; i++){
if(Q[i].first==1){
fx[Q[i].second.first]=t;
}
}
for(i=1; i<=a; i++){
msh[i]=0;sz[i]=1;
}
while(M.size()) M.pop();
while(S.size()) S.pop();
for(i=1; i<=b; i++){
if(fx[i]==t) continue;
pi++;
p[pi].first=P[i].second;
p[pi].second=P[i].first;
}
sort(p+1,p+pi+1);
qi=0;qqi=0;
for(i=te; i<=t; i++){
if(Q[i].first==1){
}else{
qqi++;
qq[qqi].first=Q[i].second.second;
qq[qqi].second=i;
}
}
sort(qq+1,qq+qqi+1);
A=1;B=1;
for(i=1; i<=qqi; i++){
while(A<=pi&&p[A].first<=qq[i].first){
mrg(p[A].second.first,p[A].second.second);
A++;
}
E=M.size();
cnt++;
for(j=qq[i].second; j>=te; j--){
if(Q[j].first==2) continue;
if(bo[Q[j].second.first]==cnt){
}else{
bo[Q[j].second.first]=cnt;
if(Q[j].second.second<=qq[i].first){
mrg(P[Q[j].second.first].first.first,P[Q[j].second.first].first.second);
}
}
}
for(j=qq[i].second+1; j<=t; j++){
if(Q[j].first==1&&bo[Q[j].second.first]!=cnt){
if(P[Q[j].second.first].second<=qq[i].first){
mrg(P[Q[j].second.first].first.first,P[Q[j].second.first].first.second);
}
bo[Q[j].second.first]=cnt;
}
}
c=Q[qq[i].second].second.first;d=qq[i].second;
ans[d]=sz[fnd(c)];
ROLL(E);
}
for(i=te; i<=t; i++){
if(Q[i].first==1){
P[Q[i].second.first].second=Q[i].second.second;
}
}
}
for(t=1; t<=tes; t++){
if(ans[t]==-1) continue;
cout<<ans[t]<<endl;
}
return 0;
}
Compilation message
bridges.cpp: In function 'void ROLL(int)':
bridges.cpp:32:16: warning: comparison of integer expressions of different signedness: 'std::stack<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
32 | while(M.size()>q){
| ~~~~~~~~^~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
34 ms |
560 KB |
Output is correct |
4 |
Correct |
18 ms |
512 KB |
Output is correct |
5 |
Correct |
26 ms |
460 KB |
Output is correct |
6 |
Correct |
22 ms |
516 KB |
Output is correct |
7 |
Correct |
26 ms |
460 KB |
Output is correct |
8 |
Correct |
26 ms |
460 KB |
Output is correct |
9 |
Correct |
27 ms |
536 KB |
Output is correct |
10 |
Correct |
26 ms |
532 KB |
Output is correct |
11 |
Correct |
26 ms |
532 KB |
Output is correct |
12 |
Correct |
27 ms |
460 KB |
Output is correct |
13 |
Correct |
32 ms |
460 KB |
Output is correct |
14 |
Correct |
33 ms |
516 KB |
Output is correct |
15 |
Correct |
28 ms |
528 KB |
Output is correct |
16 |
Correct |
32 ms |
532 KB |
Output is correct |
17 |
Correct |
27 ms |
528 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2382 ms |
4948 KB |
Output is correct |
2 |
Correct |
2493 ms |
4788 KB |
Output is correct |
3 |
Correct |
2437 ms |
4892 KB |
Output is correct |
4 |
Correct |
2467 ms |
4904 KB |
Output is correct |
5 |
Correct |
2442 ms |
4836 KB |
Output is correct |
6 |
Correct |
2688 ms |
5068 KB |
Output is correct |
7 |
Correct |
2661 ms |
4908 KB |
Output is correct |
8 |
Correct |
2744 ms |
5100 KB |
Output is correct |
9 |
Correct |
186 ms |
1988 KB |
Output is correct |
10 |
Correct |
2079 ms |
4912 KB |
Output is correct |
11 |
Correct |
2259 ms |
4848 KB |
Output is correct |
12 |
Correct |
2432 ms |
5156 KB |
Output is correct |
13 |
Correct |
2291 ms |
4892 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1654 ms |
3860 KB |
Output is correct |
2 |
Correct |
714 ms |
2488 KB |
Output is correct |
3 |
Correct |
1701 ms |
3972 KB |
Output is correct |
4 |
Correct |
1600 ms |
3860 KB |
Output is correct |
5 |
Correct |
204 ms |
2000 KB |
Output is correct |
6 |
Correct |
1657 ms |
3812 KB |
Output is correct |
7 |
Correct |
1609 ms |
3864 KB |
Output is correct |
8 |
Correct |
1539 ms |
3864 KB |
Output is correct |
9 |
Correct |
1547 ms |
3992 KB |
Output is correct |
10 |
Correct |
1530 ms |
3872 KB |
Output is correct |
11 |
Correct |
1402 ms |
3728 KB |
Output is correct |
12 |
Correct |
1335 ms |
3796 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
256 ms |
6200 KB |
Output is correct |
2 |
Correct |
187 ms |
1972 KB |
Output is correct |
3 |
Correct |
319 ms |
2960 KB |
Output is correct |
4 |
Correct |
375 ms |
2856 KB |
Output is correct |
5 |
Correct |
256 ms |
6336 KB |
Output is correct |
6 |
Correct |
275 ms |
6256 KB |
Output is correct |
7 |
Correct |
248 ms |
6248 KB |
Output is correct |
8 |
Correct |
248 ms |
4868 KB |
Output is correct |
9 |
Correct |
223 ms |
4964 KB |
Output is correct |
10 |
Correct |
227 ms |
4968 KB |
Output is correct |
11 |
Correct |
243 ms |
5444 KB |
Output is correct |
12 |
Correct |
241 ms |
5520 KB |
Output is correct |
13 |
Correct |
250 ms |
5700 KB |
Output is correct |
14 |
Correct |
247 ms |
6280 KB |
Output is correct |
15 |
Correct |
248 ms |
6464 KB |
Output is correct |
16 |
Correct |
271 ms |
6204 KB |
Output is correct |
17 |
Correct |
272 ms |
6268 KB |
Output is correct |
18 |
Correct |
260 ms |
6240 KB |
Output is correct |
19 |
Correct |
285 ms |
6192 KB |
Output is correct |
20 |
Correct |
259 ms |
5924 KB |
Output is correct |
21 |
Correct |
272 ms |
5904 KB |
Output is correct |
22 |
Correct |
272 ms |
6184 KB |
Output is correct |
23 |
Correct |
284 ms |
5884 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2382 ms |
4948 KB |
Output is correct |
2 |
Correct |
2493 ms |
4788 KB |
Output is correct |
3 |
Correct |
2437 ms |
4892 KB |
Output is correct |
4 |
Correct |
2467 ms |
4904 KB |
Output is correct |
5 |
Correct |
2442 ms |
4836 KB |
Output is correct |
6 |
Correct |
2688 ms |
5068 KB |
Output is correct |
7 |
Correct |
2661 ms |
4908 KB |
Output is correct |
8 |
Correct |
2744 ms |
5100 KB |
Output is correct |
9 |
Correct |
186 ms |
1988 KB |
Output is correct |
10 |
Correct |
2079 ms |
4912 KB |
Output is correct |
11 |
Correct |
2259 ms |
4848 KB |
Output is correct |
12 |
Correct |
2432 ms |
5156 KB |
Output is correct |
13 |
Correct |
2291 ms |
4892 KB |
Output is correct |
14 |
Correct |
1654 ms |
3860 KB |
Output is correct |
15 |
Correct |
714 ms |
2488 KB |
Output is correct |
16 |
Correct |
1701 ms |
3972 KB |
Output is correct |
17 |
Correct |
1600 ms |
3860 KB |
Output is correct |
18 |
Correct |
204 ms |
2000 KB |
Output is correct |
19 |
Correct |
1657 ms |
3812 KB |
Output is correct |
20 |
Correct |
1609 ms |
3864 KB |
Output is correct |
21 |
Correct |
1539 ms |
3864 KB |
Output is correct |
22 |
Correct |
1547 ms |
3992 KB |
Output is correct |
23 |
Correct |
1530 ms |
3872 KB |
Output is correct |
24 |
Correct |
1402 ms |
3728 KB |
Output is correct |
25 |
Correct |
1335 ms |
3796 KB |
Output is correct |
26 |
Correct |
2405 ms |
5016 KB |
Output is correct |
27 |
Correct |
2709 ms |
4996 KB |
Output is correct |
28 |
Correct |
2546 ms |
5036 KB |
Output is correct |
29 |
Correct |
2360 ms |
4868 KB |
Output is correct |
30 |
Correct |
2616 ms |
5084 KB |
Output is correct |
31 |
Correct |
2625 ms |
4896 KB |
Output is correct |
32 |
Correct |
2715 ms |
4880 KB |
Output is correct |
33 |
Correct |
2666 ms |
4828 KB |
Output is correct |
34 |
Correct |
2555 ms |
4984 KB |
Output is correct |
35 |
Correct |
2633 ms |
5152 KB |
Output is correct |
36 |
Correct |
2423 ms |
5148 KB |
Output is correct |
37 |
Correct |
2393 ms |
4828 KB |
Output is correct |
38 |
Correct |
2356 ms |
4856 KB |
Output is correct |
39 |
Correct |
2386 ms |
4880 KB |
Output is correct |
40 |
Correct |
2330 ms |
4900 KB |
Output is correct |
41 |
Correct |
2376 ms |
4972 KB |
Output is correct |
42 |
Correct |
2092 ms |
4836 KB |
Output is correct |
43 |
Correct |
2085 ms |
4824 KB |
Output is correct |
44 |
Correct |
2156 ms |
4784 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
34 ms |
560 KB |
Output is correct |
4 |
Correct |
18 ms |
512 KB |
Output is correct |
5 |
Correct |
26 ms |
460 KB |
Output is correct |
6 |
Correct |
22 ms |
516 KB |
Output is correct |
7 |
Correct |
26 ms |
460 KB |
Output is correct |
8 |
Correct |
26 ms |
460 KB |
Output is correct |
9 |
Correct |
27 ms |
536 KB |
Output is correct |
10 |
Correct |
26 ms |
532 KB |
Output is correct |
11 |
Correct |
26 ms |
532 KB |
Output is correct |
12 |
Correct |
27 ms |
460 KB |
Output is correct |
13 |
Correct |
32 ms |
460 KB |
Output is correct |
14 |
Correct |
33 ms |
516 KB |
Output is correct |
15 |
Correct |
28 ms |
528 KB |
Output is correct |
16 |
Correct |
32 ms |
532 KB |
Output is correct |
17 |
Correct |
27 ms |
528 KB |
Output is correct |
18 |
Correct |
2382 ms |
4948 KB |
Output is correct |
19 |
Correct |
2493 ms |
4788 KB |
Output is correct |
20 |
Correct |
2437 ms |
4892 KB |
Output is correct |
21 |
Correct |
2467 ms |
4904 KB |
Output is correct |
22 |
Correct |
2442 ms |
4836 KB |
Output is correct |
23 |
Correct |
2688 ms |
5068 KB |
Output is correct |
24 |
Correct |
2661 ms |
4908 KB |
Output is correct |
25 |
Correct |
2744 ms |
5100 KB |
Output is correct |
26 |
Correct |
186 ms |
1988 KB |
Output is correct |
27 |
Correct |
2079 ms |
4912 KB |
Output is correct |
28 |
Correct |
2259 ms |
4848 KB |
Output is correct |
29 |
Correct |
2432 ms |
5156 KB |
Output is correct |
30 |
Correct |
2291 ms |
4892 KB |
Output is correct |
31 |
Correct |
1654 ms |
3860 KB |
Output is correct |
32 |
Correct |
714 ms |
2488 KB |
Output is correct |
33 |
Correct |
1701 ms |
3972 KB |
Output is correct |
34 |
Correct |
1600 ms |
3860 KB |
Output is correct |
35 |
Correct |
204 ms |
2000 KB |
Output is correct |
36 |
Correct |
1657 ms |
3812 KB |
Output is correct |
37 |
Correct |
1609 ms |
3864 KB |
Output is correct |
38 |
Correct |
1539 ms |
3864 KB |
Output is correct |
39 |
Correct |
1547 ms |
3992 KB |
Output is correct |
40 |
Correct |
1530 ms |
3872 KB |
Output is correct |
41 |
Correct |
1402 ms |
3728 KB |
Output is correct |
42 |
Correct |
1335 ms |
3796 KB |
Output is correct |
43 |
Correct |
256 ms |
6200 KB |
Output is correct |
44 |
Correct |
187 ms |
1972 KB |
Output is correct |
45 |
Correct |
319 ms |
2960 KB |
Output is correct |
46 |
Correct |
375 ms |
2856 KB |
Output is correct |
47 |
Correct |
256 ms |
6336 KB |
Output is correct |
48 |
Correct |
275 ms |
6256 KB |
Output is correct |
49 |
Correct |
248 ms |
6248 KB |
Output is correct |
50 |
Correct |
248 ms |
4868 KB |
Output is correct |
51 |
Correct |
223 ms |
4964 KB |
Output is correct |
52 |
Correct |
227 ms |
4968 KB |
Output is correct |
53 |
Correct |
243 ms |
5444 KB |
Output is correct |
54 |
Correct |
241 ms |
5520 KB |
Output is correct |
55 |
Correct |
250 ms |
5700 KB |
Output is correct |
56 |
Correct |
247 ms |
6280 KB |
Output is correct |
57 |
Correct |
248 ms |
6464 KB |
Output is correct |
58 |
Correct |
271 ms |
6204 KB |
Output is correct |
59 |
Correct |
272 ms |
6268 KB |
Output is correct |
60 |
Correct |
260 ms |
6240 KB |
Output is correct |
61 |
Correct |
285 ms |
6192 KB |
Output is correct |
62 |
Correct |
259 ms |
5924 KB |
Output is correct |
63 |
Correct |
272 ms |
5904 KB |
Output is correct |
64 |
Correct |
272 ms |
6184 KB |
Output is correct |
65 |
Correct |
284 ms |
5884 KB |
Output is correct |
66 |
Correct |
2405 ms |
5016 KB |
Output is correct |
67 |
Correct |
2709 ms |
4996 KB |
Output is correct |
68 |
Correct |
2546 ms |
5036 KB |
Output is correct |
69 |
Correct |
2360 ms |
4868 KB |
Output is correct |
70 |
Correct |
2616 ms |
5084 KB |
Output is correct |
71 |
Correct |
2625 ms |
4896 KB |
Output is correct |
72 |
Correct |
2715 ms |
4880 KB |
Output is correct |
73 |
Correct |
2666 ms |
4828 KB |
Output is correct |
74 |
Correct |
2555 ms |
4984 KB |
Output is correct |
75 |
Correct |
2633 ms |
5152 KB |
Output is correct |
76 |
Correct |
2423 ms |
5148 KB |
Output is correct |
77 |
Correct |
2393 ms |
4828 KB |
Output is correct |
78 |
Correct |
2356 ms |
4856 KB |
Output is correct |
79 |
Correct |
2386 ms |
4880 KB |
Output is correct |
80 |
Correct |
2330 ms |
4900 KB |
Output is correct |
81 |
Correct |
2376 ms |
4972 KB |
Output is correct |
82 |
Correct |
2092 ms |
4836 KB |
Output is correct |
83 |
Correct |
2085 ms |
4824 KB |
Output is correct |
84 |
Correct |
2156 ms |
4784 KB |
Output is correct |
85 |
Execution timed out |
3063 ms |
6324 KB |
Time limit exceeded |
86 |
Halted |
0 ms |
0 KB |
- |