Submission #1283709

#	Time	Username	Problem	Language	Result	Execution time	Memory
1283709		sasde	Distributing Candies (IOI21_candies)	C++20	0 / 100	64 ms	9640 KiB

candies

#include<bits/stdc++.h>
#include "candies.h"
using namespace std;
bool M1;
#define PI 3.14159265358979323846
#define sz(a) (int)a.size()
#define all(x) x.begin(),x.end()
#define ii pair<int,int>
#define iii pair<int,ii>
#define iv pair<ii,ii>
#define se second
#define fi first
#define ffi fi.fi
#define sfi se.fi
#define sse se.se
#define fse fi.se
#define lt(i, c, d) for(int i = c; i <= d; ++i)
#define fl(i, c, d) for(int i = d; i >= c; --i)
#define pb push_back
#define emb emplace_back
#define emf emplace_front
#define em emplace
#define look_memory cerr<<abs(&M2-&M1)/1024.0/1024<<'\n'
#define look_time   cerr << "TIME : " << clock() * 0.001 << "s" <<'\n'
const int N=1e6+5,lg=30,mod=1e9+7;
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
int Rand(int u,int v){
 return u+rd()%(v-u+1);
}
int dx[]={1,0,-1,0,1,1,-1,-1};
int dy[]={0,-1,0,1,1,-1,1,-1};
int query,node;
bool M2;
vector<int> distribute_candies(vector<int> c, vector<int> l,vector<int> r, vector<int> v) {
    node=sz(c);
    query=sz(l);
    vector<int>ans(node,0),pre(query+1),maxx(query+5,0),minn(query+5,0);
    vector<ii>x;
    for(int i=1;i<=query;++i)pre[i]=pre[i-1]+v[i-1];
    maxx[query]=minn[query]=pre[query];
    for(int i=query-1;i>=0;--i){
        maxx[i]=max(maxx[i+1],pre[i]);
        minn[i]=min(minn[i+1],pre[i]);
        // cout <<pre[i]<<'\n';
    }
    for(int i=0;i<node;++i){
        if(maxx[0]-minn[0]<c[i]){
            ans[i]=pre[query]-minn[0];
            // cout <<maxx[0]<<" "<<minn[0]<<'\n';
            continue;
        }
        int l=0,r=query,pos=0;
        while(l<=r){
            int mid=(r+l)>>1;
            if(maxx[mid]&&maxx[mid]-minn[mid]>=c[i]){
                pos=mid;
                l=mid+1;
            }
            else r=mid-1;
        }
        if(minn[pos]==pre[pos])
            ans[i]=c[i]-(maxx[pos]-pre[query]);
        else ans[i]=pre[query]-minn[pos];
    }
    return ans;
}
// main()
// {
//   srand(time(0));
//     ios_base::sync_with_stdio(false);
//     cin.tie(NULL);
//     cout.tie(NULL);
//     #define task "aws"
//     if(fopen(task".inp","r")){
//       freopen(task".inp","r",stdin);
//       freopen(task".out","w",stdout);
//     }
//     int t=1;
//  //   cin >> t;
//     int node,query;
//     cin >> node;
//     vector<int>c(node);
//     for(auto &x:c)cin >> x;
//     cin>> query;
//     vector<int>l(query),r(query),v(query);
//     for(int i=0;i<=query;++i){
//         int q,w,val;
//         cin >> q >> w >> val;
//         l[i]=q;
//         r[i]=w;
//         v[i]=val; 
//     }
//     vector<int>x=distribute_candies(c,l,r,v);
//     for(auto y:x)cout <<y<<" ";
// }

• Subtask 1: 0 / 3
• Subtask 2: 0 / 8
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29
• Subtask 5: 0 / 33