Submission #404767

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
404767	2021-05-15 00:50:32	ScarletS	Snowball (JOI21_ho_t2)	C++17	100 / 100	154 ms	16964 KiB

Main

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#include <bits/stdc++.h>
#define int long long
#define sz(x) (int)(x).size()
using namespace std;
int ans[200000];
signed main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n,m,x=0,y=0,z=0,k;
    cin>>n>>m;
    int a[n];
    vector<array<int,2>> v(n-1),w(n-1);
    for (int i=0;i<n;++i)
        cin>>a[i];
    for (int i=0;i+1<n;++i)
        v[i]=w[i]={a[i+1]-a[i],i};
    sort(v.rbegin(), v.rend());
    sort(w.rbegin(), w.rend());
    while (m--)
    {
        cin>>k;
        z+=k;
        if (k<0)
        {
            while (!v.empty()&&v.back()[0]<=y-z)
            {
                ans[v.back()[1]+1]+=max(v.back()[0]-y,-x);
                //cout<<v.back()[1]+1<<" "<<v.back()[0]-y<<"\n";
 
 
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• Subtask 1: 33 / 33
• Subtask 2: 67 / 67