#include<bits/stdc++.h>
using namespace std;
const int T=400;
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;
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;
}
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=te-1; i>=1; i--){
if(Q[i].first==1){
if(fx[Q[i].second.first]==t) continue;
pi++;
p[pi].first=Q[i].second.second;
p[pi].second=P[Q[i].second.first].first;
fx[Q[t].second.first]=t;
}
}*/
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:30:16: warning: comparison of integer expressions of different signedness: 'std::stack<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
30 | 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 |
32 ms |
552 KB |
Output is correct |
4 |
Correct |
32 ms |
512 KB |
Output is correct |
5 |
Correct |
29 ms |
524 KB |
Output is correct |
6 |
Correct |
29 ms |
520 KB |
Output is correct |
7 |
Correct |
33 ms |
524 KB |
Output is correct |
8 |
Correct |
34 ms |
504 KB |
Output is correct |
9 |
Correct |
38 ms |
516 KB |
Output is correct |
10 |
Correct |
34 ms |
512 KB |
Output is correct |
11 |
Correct |
33 ms |
524 KB |
Output is correct |
12 |
Correct |
35 ms |
460 KB |
Output is correct |
13 |
Correct |
38 ms |
520 KB |
Output is correct |
14 |
Correct |
36 ms |
520 KB |
Output is correct |
15 |
Correct |
34 ms |
520 KB |
Output is correct |
16 |
Correct |
36 ms |
460 KB |
Output is correct |
17 |
Correct |
37 ms |
532 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2264 ms |
4824 KB |
Output is correct |
2 |
Correct |
2330 ms |
4772 KB |
Output is correct |
3 |
Correct |
2270 ms |
4800 KB |
Output is correct |
4 |
Correct |
2321 ms |
4832 KB |
Output is correct |
5 |
Correct |
2336 ms |
4888 KB |
Output is correct |
6 |
Correct |
2632 ms |
4944 KB |
Output is correct |
7 |
Correct |
2812 ms |
4928 KB |
Output is correct |
8 |
Correct |
2755 ms |
4944 KB |
Output is correct |
9 |
Correct |
314 ms |
1988 KB |
Output is correct |
10 |
Correct |
2115 ms |
5012 KB |
Output is correct |
11 |
Correct |
2330 ms |
4764 KB |
Output is correct |
12 |
Correct |
2270 ms |
5168 KB |
Output is correct |
13 |
Correct |
2166 ms |
4848 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1653 ms |
3864 KB |
Output is correct |
2 |
Correct |
832 ms |
2484 KB |
Output is correct |
3 |
Correct |
1828 ms |
3864 KB |
Output is correct |
4 |
Correct |
1662 ms |
3764 KB |
Output is correct |
5 |
Correct |
344 ms |
2084 KB |
Output is correct |
6 |
Correct |
1708 ms |
3860 KB |
Output is correct |
7 |
Correct |
1594 ms |
3872 KB |
Output is correct |
8 |
Correct |
1557 ms |
3860 KB |
Output is correct |
9 |
Correct |
1557 ms |
4112 KB |
Output is correct |
10 |
Correct |
1544 ms |
3952 KB |
Output is correct |
11 |
Correct |
1326 ms |
3744 KB |
Output is correct |
12 |
Correct |
1299 ms |
3744 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3057 ms |
5500 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2264 ms |
4824 KB |
Output is correct |
2 |
Correct |
2330 ms |
4772 KB |
Output is correct |
3 |
Correct |
2270 ms |
4800 KB |
Output is correct |
4 |
Correct |
2321 ms |
4832 KB |
Output is correct |
5 |
Correct |
2336 ms |
4888 KB |
Output is correct |
6 |
Correct |
2632 ms |
4944 KB |
Output is correct |
7 |
Correct |
2812 ms |
4928 KB |
Output is correct |
8 |
Correct |
2755 ms |
4944 KB |
Output is correct |
9 |
Correct |
314 ms |
1988 KB |
Output is correct |
10 |
Correct |
2115 ms |
5012 KB |
Output is correct |
11 |
Correct |
2330 ms |
4764 KB |
Output is correct |
12 |
Correct |
2270 ms |
5168 KB |
Output is correct |
13 |
Correct |
2166 ms |
4848 KB |
Output is correct |
14 |
Correct |
1653 ms |
3864 KB |
Output is correct |
15 |
Correct |
832 ms |
2484 KB |
Output is correct |
16 |
Correct |
1828 ms |
3864 KB |
Output is correct |
17 |
Correct |
1662 ms |
3764 KB |
Output is correct |
18 |
Correct |
344 ms |
2084 KB |
Output is correct |
19 |
Correct |
1708 ms |
3860 KB |
Output is correct |
20 |
Correct |
1594 ms |
3872 KB |
Output is correct |
21 |
Correct |
1557 ms |
3860 KB |
Output is correct |
22 |
Correct |
1557 ms |
4112 KB |
Output is correct |
23 |
Correct |
1544 ms |
3952 KB |
Output is correct |
24 |
Correct |
1326 ms |
3744 KB |
Output is correct |
25 |
Correct |
1299 ms |
3744 KB |
Output is correct |
26 |
Correct |
2240 ms |
4728 KB |
Output is correct |
27 |
Correct |
2632 ms |
4796 KB |
Output is correct |
28 |
Correct |
2425 ms |
4784 KB |
Output is correct |
29 |
Correct |
2272 ms |
4808 KB |
Output is correct |
30 |
Correct |
2539 ms |
4896 KB |
Output is correct |
31 |
Correct |
2624 ms |
4816 KB |
Output is correct |
32 |
Correct |
2552 ms |
4952 KB |
Output is correct |
33 |
Correct |
2470 ms |
4852 KB |
Output is correct |
34 |
Correct |
2409 ms |
4860 KB |
Output is correct |
35 |
Correct |
2493 ms |
4732 KB |
Output is correct |
36 |
Correct |
2193 ms |
4864 KB |
Output is correct |
37 |
Correct |
2186 ms |
4708 KB |
Output is correct |
38 |
Correct |
2175 ms |
4772 KB |
Output is correct |
39 |
Correct |
2243 ms |
4856 KB |
Output is correct |
40 |
Correct |
2180 ms |
4796 KB |
Output is correct |
41 |
Correct |
2297 ms |
4896 KB |
Output is correct |
42 |
Correct |
1922 ms |
4672 KB |
Output is correct |
43 |
Correct |
1914 ms |
4764 KB |
Output is correct |
44 |
Correct |
1868 ms |
4812 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 |
32 ms |
552 KB |
Output is correct |
4 |
Correct |
32 ms |
512 KB |
Output is correct |
5 |
Correct |
29 ms |
524 KB |
Output is correct |
6 |
Correct |
29 ms |
520 KB |
Output is correct |
7 |
Correct |
33 ms |
524 KB |
Output is correct |
8 |
Correct |
34 ms |
504 KB |
Output is correct |
9 |
Correct |
38 ms |
516 KB |
Output is correct |
10 |
Correct |
34 ms |
512 KB |
Output is correct |
11 |
Correct |
33 ms |
524 KB |
Output is correct |
12 |
Correct |
35 ms |
460 KB |
Output is correct |
13 |
Correct |
38 ms |
520 KB |
Output is correct |
14 |
Correct |
36 ms |
520 KB |
Output is correct |
15 |
Correct |
34 ms |
520 KB |
Output is correct |
16 |
Correct |
36 ms |
460 KB |
Output is correct |
17 |
Correct |
37 ms |
532 KB |
Output is correct |
18 |
Correct |
2264 ms |
4824 KB |
Output is correct |
19 |
Correct |
2330 ms |
4772 KB |
Output is correct |
20 |
Correct |
2270 ms |
4800 KB |
Output is correct |
21 |
Correct |
2321 ms |
4832 KB |
Output is correct |
22 |
Correct |
2336 ms |
4888 KB |
Output is correct |
23 |
Correct |
2632 ms |
4944 KB |
Output is correct |
24 |
Correct |
2812 ms |
4928 KB |
Output is correct |
25 |
Correct |
2755 ms |
4944 KB |
Output is correct |
26 |
Correct |
314 ms |
1988 KB |
Output is correct |
27 |
Correct |
2115 ms |
5012 KB |
Output is correct |
28 |
Correct |
2330 ms |
4764 KB |
Output is correct |
29 |
Correct |
2270 ms |
5168 KB |
Output is correct |
30 |
Correct |
2166 ms |
4848 KB |
Output is correct |
31 |
Correct |
1653 ms |
3864 KB |
Output is correct |
32 |
Correct |
832 ms |
2484 KB |
Output is correct |
33 |
Correct |
1828 ms |
3864 KB |
Output is correct |
34 |
Correct |
1662 ms |
3764 KB |
Output is correct |
35 |
Correct |
344 ms |
2084 KB |
Output is correct |
36 |
Correct |
1708 ms |
3860 KB |
Output is correct |
37 |
Correct |
1594 ms |
3872 KB |
Output is correct |
38 |
Correct |
1557 ms |
3860 KB |
Output is correct |
39 |
Correct |
1557 ms |
4112 KB |
Output is correct |
40 |
Correct |
1544 ms |
3952 KB |
Output is correct |
41 |
Correct |
1326 ms |
3744 KB |
Output is correct |
42 |
Correct |
1299 ms |
3744 KB |
Output is correct |
43 |
Execution timed out |
3057 ms |
5500 KB |
Time limit exceeded |
44 |
Halted |
0 ms |
0 KB |
- |