This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
struct B {
int u, v, d;
};
struct Q {
int t, x, y;
};
class UF {
public:
vector<int> p, r, sz;
UF(int n) {
p.resize(n);
r.resize(n, 0);
sz.resize(n, 1);
for (int i = 0; i < n; ++i) p[i] = i;
}
int find(int x) {
if (p[x] != x) p[x] = find(p[x]);
return p[x];
}
void unite(int x, int y) {
int rx = find(x);
int ry = find(y);
if (rx != ry) {
if (r[rx] > r[ry]) {
p[ry] = rx;
sz[rx] += sz[ry];
} else if (r[rx] < r[ry]) {
p[rx] = ry;
sz[ry] += sz[rx];
} else {
p[ry] = rx;
r[rx]++;
sz[rx] += sz[ry];
}
}
}
int component_size(int x) {
return sz[find(x)];
}
};
int main() {
int n, m;
cin >> n >> m;
vector<B> bs(m);
for (int i = 0; i < m; ++i) {
cin >> bs[i].u >> bs[i].v >> bs[i].d;
bs[i].u--;
bs[i].v--;
}
int q;
cin >> q;
vector<Q> qs(q);
vector<int> res;
for (int i = 0; i < q; ++i) {
cin >> qs[i].t >> qs[i].x >> qs[i].y;
qs[i].x--; // Сокращение на 1 в обоих случаях
}
for (int i = 0; i < q; ++i) {
if (qs[i].t == 1) {
bs[qs[i].x].d = qs[i].y;
} else {
int car_w = qs[i].y;
int start = qs[i].x;
UF uf(n);
for (int j = 0; j < m; ++j) {
if (bs[j].d >= car_w) {
uf.unite(bs[j].u, bs[j].v);
}
}
res.push_back(uf.component_size(start));
}
}
for (int r : res) {
cout << r << endl;
}
return 0;
}
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