Submission #435815

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
435815	2021-06-23 18:30:07	stoyan_malinin	Fountain (eJOI20_fountain)	C++17	100 / 100	151 ms	16296 KiB

fountain

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#include <iostream>
#include <vector>
using namespace std;
const int MAXN = 2e5 + 5;
struct SmartStack
{
    vector <pair <int, int>> v;
    vector <int> prefSum;
    int getSum(int ind)
    {
        if(ind==0) return prefSum.back();
        return prefSum.back() - prefSum[ind-1];
    }
    void push(pair <int, int> x)
    {
        v.push_back(x);
        if(prefSum.empty()==true) prefSum.push_back(x.second);
        else
        {
            int sum = prefSum.back() + x.second;
            prefSum.push_back(sum);
        }
    }
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40