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 <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 10;
int n, m, wei[N], q, ans;
vector<pair<int, int>> edges;
vector<int> g[N];
bool vis[N];
void dfs(int v, int w){
ans++;
vis[v] = 1;
for (int e : g[v]){
if (wei[e] < w) continue;
int u = edges[e].first + edges[e].second - v;
if (vis[u]) continue;
dfs(u, w);
}
}
int main(){
cin >> n >> m;
for (int i = 0; i < m; i ++){
int u, v, d;
cin >> u >> v >> d;
wei[i] = d;
edges.push_back({u, v});
g[u].push_back(i);
g[v].push_back(i);
}
cin >> q;
for (int i = 0; i < q; i ++){
int t;
cin >> t;
if (t == 1){
int e, w;
cin >> e >> w;
e--;
wei[e] = w;
}
else{
int s, w;
cin >> s >> w;
ans = 0;
memset(vis, 0, sizeof vis);
dfs(s, w);
cout << ans << endl;
}
}
}
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