Submission #453791

#	Time	Username	Problem	Language	Result	Execution time	Memory
453791		JovanB	Watering can (POI13_kon)	C++17	100 / 100	469 ms	29552 KiB

kon

#include <bits/stdc++.h>
 
using namespace std;
 
int N, K, t[10];
 
int n;
 
struct segment{
    int mx, idx, lazy;
} seg[2000005];
 
int bit[300005];
int niz[300005];
 
const int INF = 1000000000;
 
int getbit(int x){
    int res = 0;
    while(x){
        res += bit[x];
        x -= x & -x;
    }
    return res;
}
 
void addbit(int x){
    while(x <= 300000){
        bit[x]++;
        x += x & -x;
    }
}
 
void propagate(int node, int l, int r){
    seg[node].mx += seg[node].lazy;
    if(l == r){
        seg[node].lazy = 0;
        return;
    }
    seg[node*2].lazy += seg[node].lazy;
    seg[node*2+1].lazy += seg[node].lazy;
    seg[node].lazy = 0;
}
 
void init(int node, int l, int r){
    if(l == r){
        seg[node].mx = niz[l];
        seg[node].idx = l;
        return;
    }
    int mid = (l+r)/2;
    init(node*2, l, mid);
    init(node*2+1, mid+1, r);
    seg[node].mx = max(seg[node*2].mx, seg[node*2+1].mx);
    seg[node].idx = seg[node*2+1].idx;
    if(seg[node].mx == seg[node*2].mx) seg[node].idx = seg[node*2].idx;
}
 
void upd(int node, int l, int r, int tl, int tr, int val){
    propagate(node, l, r);
    if(tl > r || l > tr) return;
    if(tl <= l && r <= tr){
        seg[node].lazy += val;
        propagate(node, l, r);
        return;
    }
    int mid = (l+r)/2;
    upd(node*2, l, mid, tl, tr, val);
    upd(node*2+1, mid+1, r, tl, tr, val);
 
    seg[node].mx = max(seg[node*2].mx, seg[node*2+1].mx);
    seg[node].idx = seg[node*2+1].idx;
    if(seg[node].mx == seg[node*2].mx) seg[node].idx = seg[node*2].idx;
}
 
void inicjuj(int n, int k, int *D)
{
    N = n, K = k;
    for(int i=1; i<=N; i++) niz[i] = D[i-1];
    init(1, 1, N);
    while(seg[1].mx >= K){
        addbit(seg[1].idx);
        upd(1, 1, N, seg[1].idx, seg[1].idx, -INF);
    }
}
 
void podlej(int a, int b)
{
    a++;
    b++;
    upd(1, 1, N, a, b, 1);
    while(seg[1].mx >= K){
        addbit(seg[1].idx);
        upd(1, 1, N, seg[1].idx, seg[1].idx, -INF);
    }
}
 
int dojrzale(int a, int b)
{
    a++;
    b++;
    return getbit(b) - getbit(a-1);
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10