#include using namespace std; int main(void){ int n,m,q; cin>>n>>m>>q; vectorans(m,0); vector xs; vector>qu(q); for(int i=0;i>qu[i][0]>>qu[i][1]>>qu[i][2]; xs.push_back(qu[i][2]); } sort(xs.begin(), xs.end()); xs.erase(unique(xs.begin(), xs.end()), xs.end()); int qs=xs.size(); vector>d(qs); for(int i=0;i