Submission #1107423

#TimeUsernameProblemLanguageResultExecution timeMemory
110742312345678Topical (NOI23_topical)C++17
40 / 100
1054 ms208456 KiB
#include <bits/stdc++.h>

using namespace std;

#define ll long long

ll n, k, cnt;
vector<ll> cur, p, vs, sm;
vector<vector<ll>> r, u;
vector<set<pair<ll, ll>>> s;
queue<ll> q;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>k;
    cur.resize(k);
    sm.resize(n);
    s.resize(k);
    p.resize(n);
    vs.resize(n);
    r.resize(n);
    u.resize(n);
    for (int i=0; i<n; i++) r[i].resize(k), u[i].resize(k);
    for (int i=0; i<n; i++) for (int j=0; j<k; j++) cin>>r[i][j], sm[i]+=r[i][j];
    for (int i=0; i<n; i++) for (int j=0; j<k; j++) cin>>u[i][j];
    for (int i=0; i<n; i++) if (sm[i]==0) q.push(i), vs[i]=1;
    for (int i=0; i<n; i++) if (!vs[i]) s[0].insert({r[i][0], i});
    while (!q.empty())
    {
        auto x=q.front();
        q.pop();
        cnt++;
        for (int i=0; i<k; i++) 
        {
            cur[i]+=u[x][i];
            while (!s[i].empty()&&s[i].begin()->first<=cur[i])
            {
                ll tmp=s[i].begin()->second;
                s[i].erase(s[i].begin());
                if (i==k-1) vs[tmp]=1, q.push(tmp);
                else s[i+1].insert({r[tmp][i+1], tmp});
            }
        }
    }
    cout<<cnt;
}
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