Submission #745092

#	Time	Username	Problem	Language	Result	Execution time	Memory
745092		Itamar	Street Lamps (APIO19_street_lamps)	C++14	20 / 100	5036 ms	524288 KiB

street_lamps

// APIOi.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <iostream>
using namespace std;
#include<bitset>
#include<vector>
#define vi vector<int>

int main()
{
    int n, q;
    cin >> n >> q;
    const int siz = 3e5;
    bitset<siz> b;
    string s;
    cin >> s;
    vector<vi> ans(n,vi(n));
    for (int i = 0; i < n; i++)b[i] = (s[i] == '1');
    for (int i = 1; i <= q; i++) {
        string st;
        cin >> st;
        for (int j = 0; j < n; j++) {
            for (int k = j; k < n; k++) {
                if (b[k] == 0)break;
                ans[j][k]++;
            }
        }
        if (st == "toggle") {
            int in;
            cin >> in;
            in--;
            /*if (!b[in])ans[in] -= i;
            else ans[in] += i;*/
            b[in] = !b[in];
        }
        else {
            int x, y;
            cin >> x >> y;
            x--, y -= 2;
            cout << ans[x][y] << "\n";
        }
    }
}

// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu

// Tips for Getting Started: 
//   1. Use the Solution Explorer window to add/manage files
//   2. Use the Team Explorer window to connect to source control
//   3. Use the Output window to see build output and other messages
//   4. Use the Error List window to view errors
//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file

• Subtask 1: 20 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20