Submission #862013

#	Time	Username	Problem	Language	Result	Execution time	Memory
862013		8pete8	Snowball (JOI21_ho_t2)	C++14	100 / 100	90 ms	10552 KiB

Main

#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include<cmath>
#include<set>
#include<algorithm>
#include<bitset> 
#include<stack>
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define pppiiii pair<pii,pii>
#define ppii pair<int,pii>
#define all(x) x.begin(),x.end()
#define pb push_back
#define mp make_pair
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#define int long long
const int mxn=5e5+10,mx=5e6+10,minf=-1e9;
int32_t main(){
    fastio
    int n,q;cin>>n>>q;
    vector<int>pos(n),ans(n,0);
    for(int i=0;i<n;i++)cin>>pos[i];
    vector<int>mn(q+1,0),mx(q+1,0);
    int cur=0;
    for(int i=1;i<=q;i++){
        int k;cin>>k;
        cur+=k;
        if(i)mn[i]=mn[i-1],mx[i]=mx[i-1];
        mn[i]=min(mn[i],cur);
        mx[i]=max(mx[i],cur);
    }
    ans[0]-=mn[q];
    ans[n-1]+=mx[q];
    for(int i=0;i<n-1;i++){
        int l=0,r=q,a=0;
        while(l<=r){
            int mid=l+(r-l)/2;
            if(pos[i+1]+mn[mid]>pos[i]+mx[mid]){
                a=max(a,mid);
                l=mid+1;
            }
            else r=mid-1;
        }
        ans[i]+=mx[a];
        ans[i+1]-=mn[a];
        if(a<q){
            int diff=(pos[i+1]+mn[a])-(pos[i]+mx[a]);
            if(mx[a+1]>mx[a])ans[i]+=diff;
            else ans[i+1]+=diff;
        }
    }
    for(auto i:ans)cout<<i<<'\n';
}
/*
4 5 3 100
2 80 100
5 125 130
4 75 150
3 120 110
*/

• Subtask 1: 33 / 33
• Subtask 2: 67 / 67