Submission #967421

# Submission time Handle Problem Language Result Execution time Memory
967421 2024-04-22T05:23:11 Z 12345678 Meteors (POI11_met) C++17
74 / 100
921 ms 45528 KB
#include <bits/stdc++.h>

using namespace std;

#define ll long long

const int nx=4e5+5;

int n, m, p[nx], q, l[nx], r[nx], ul, ur, a, cnt=19, t[nx];
vector<int> d[nx], qrs[nx];
vector<pair<int, pair<int, int>>> k;

struct fenwick
{
    ll d[nx];
    void update(int i, int vl) 
    {
        while (i<nx) d[i]+=vl, i+=(i&-i);
    }
    ll query(int i)
    {
        ll res=0;
        while (i>0) res+=d[i], i-=(i&-i);
        return res;
    }
} f;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>m;
    for (int i=1; i<=m; i++) cin>>p[i], d[p[i]].push_back(i);
    for (int i=1; i<=n; i++) cin>>t[i];
    cin>>q;
    for (int i=0; i<q; i++) cin>>ul>>ur>>a, k.push_back({a, {ul, ur}});
    for (int i=1; i<=n; i++) l[i]=1, r[i]=q+1;
    while (cnt--)
    {
        for (int i=1; i<=n; i++) if (l[i]!=r[i]) qrs[(l[i]+r[i])/2].push_back(i);
        for (int i=1; i<=q+1; i++)
        {
            if (i==q+1) continue;
            int x=k[i-1].second.first, y=k[i-1].second.second, z=k[i-1].first;
            if (x<=y) f.update(x, z), f.update(y+1, -z);
            else f.update(1, z), f.update(y+1, -z), f.update(x, z), f.update(m+1, -z);
            //cout<<"fenwick "<<i<<':';
            //for (int j=1; j<=m; j++) cout<<f.query(j)<<' ';
            //cout<<'\n';
            for (auto idx:qrs[i])
            {
                ll sm=0;
                for (auto id:d[idx]) sm+=f.query(id);
                //cout<<"debug "<<cnt<<' '<<idx<<' '<<sm<<'\n';
                if (sm>=t[idx]) r[idx]=i;
                else l[idx]=i+1;
            }
            qrs[i].clear();
        }
        for (int i=1; i<=m+1; i++) f.d[i]=0;
    }
    for (int i=1; i<=n; i++)
    {
        if (l[i]>q) cout<<"NIE\n";
        else cout<<l[i]<<'\n';
    }
}
# Verdict Execution time Memory Grader output
1 Correct 7 ms 26972 KB Output is correct
2 Correct 8 ms 27148 KB Output is correct
3 Correct 8 ms 27100 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 26972 KB Output is correct
2 Correct 7 ms 27088 KB Output is correct
3 Correct 8 ms 27228 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 68 ms 28772 KB Output is correct
2 Correct 138 ms 30280 KB Output is correct
3 Correct 92 ms 30112 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 109 ms 29636 KB Output is correct
2 Correct 120 ms 29808 KB Output is correct
3 Correct 140 ms 30424 KB Output is correct
4 Correct 28 ms 28764 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 101 ms 29104 KB Output is correct
2 Correct 124 ms 31036 KB Output is correct
3 Correct 135 ms 27860 KB Output is correct
4 Correct 93 ms 30408 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 110 ms 28348 KB Output is correct
2 Correct 136 ms 29904 KB Output is correct
3 Correct 76 ms 28364 KB Output is correct
4 Correct 120 ms 31620 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 921 ms 45528 KB Output is correct
2 Incorrect 813 ms 34364 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 883 ms 43228 KB Output is correct
2 Incorrect 695 ms 34644 KB Output isn't correct
3 Halted 0 ms 0 KB -