Submission #304503

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
304503	2020-09-21 12:33:29	icypiggy	Comparing Plants (IOI20_plants)	C++14	100 / 100	1882 ms	26540 KiB

plants

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#include "plants.h"
#include <bits/stdc++.h>
#define low(i) (i<<(__builtin_clz(i)-31+n_bits))-(1<<n_bits)
#define high(i) ((i+1)<<(__builtin_clz(i)-31+n_bits))-(1<<n_bits)-1
using namespace std;
vector<int> tallest;
vector<int> shortest;
int n_global;
const int n_bits=20;
const int inf = 1e9;
int arr[1<<(n_bits+1)];
int lazyadd[1<<(n_bits+1)];
struct segtree {
    segtree(){}
    void build(vector<int> v) {
        assert(v.size()<(1<<n_bits));
        for(int i=0; i<(1<<n_bits); i++) {
            arr[i+(1<<n_bits)] = (i<(int)v.size() ? v[i] : inf);
        }
        for(int i=(1<<n_bits)-1; i>=1; i--) {
            arr[i] = min(arr[2*i], arr[2*i+1]);
        }
        for(int i=0; i<(1<<(n_bits+1)); i++) {
            lazyadd[i] = 0;
        }
    }
    int value(int node) {
        arr[node] += lazyadd[node];
        if(node<(1<<n_bits)) {
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 14 / 14
• Subtask 3: 13 / 13
• Subtask 4: 17 / 17
• Subtask 5: 11 / 11
• Subtask 6: 15 / 15
• Subtask 7: 25 / 25