Submission #1039108

#	Time	Username	Problem	Language	Result	Execution time	Memory
1039108		Irate	Lightning Conductor (POI11_pio)	C++17	72 / 100	1034 ms	48624 KiB

pio

#include<bits/stdc++.h>
using namespace std;
struct SparseTable{
    vector<int>LOG;
    vector<vector<int>>sTable;
    SparseTable(vector<int>&v){
        int n = (int)v.size();
        LOG.resize(n + 1);
        LOG[1] = 0;
        for(int i = 2;i <= n;++i){
            LOG[i] = LOG[i / 2] + 1;
        }
        sTable.resize(LOG[n] + 1);
        for(int i = 0;i <= LOG[n];++i){
            sTable[i].resize(n);
        }
        for(int i = 0;i < n;++i){
            sTable[0][i] = v[i];
        }
        for(int i = 1;i <= LOG[n];++i){
            for(int j = 0;j + (1 << (i - 1)) < n;++j){
                sTable[i][j] = max(sTable[i - 1][j], sTable[i - 1][j + (1 << (i - 1))]);
            }
        }
    }
    int Max(int l, int r){
        int lg = LOG[r - l + 1];
        return max(sTable[lg][l], sTable[lg][r - (1 << lg) + 1]);
    }
};
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    vector<int>v(n);
    for(int i = 0;i < n;++i){
        cin >> v[i];
    }
    SparseTable table(v);
    for(int i = 0;i < n;++i){
        int l = i + 1, p = 0;
        for(int j = 1;;++j){
            int r = min(n - 1, i + j * j);
            if(l >= n)break;
            p = max(p, table.Max(l, r) + j - v[i]);
            l = r + 1;
        }
        l = i - 1;
        for(int j = 1;;++j){
            int r = max(0, i - j * j);
            if(l < 0)break;
            p = max(p, table.Max(r, l) + j - v[i]);
            l = r - 1;
        }
        cout << p << '\n';
    }
}

• Subtask 1: 9 / 9
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 9 / 9
• Subtask 5: 9 / 9
• Subtask 6: 9 / 9
• Subtask 7: 9 / 9
• Subtask 8: 9 / 9
• Subtask 9: 0 / 9
• Subtask 10: 0 / 9
• Subtask 11: 0 / 10