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Submission #569174

# Submission time Handle Problem Language Result Execution time Memory
569174 2022-05-26T22:09:02 Z aryan12 Street Lamps (APIO19_street_lamps) C++17
20 / 100
 132 ms 13156 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long

mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());

void Solve() 
{
	int n, q;
	cin >> n >> q;
	vector<array<int, 2> > a(n + 1, {0, -1}); // alr occurred, start pos (start pos = -1 if off)
	string s;
	cin >> s;
	for(int i = 0; i < n; i++) 
	{
		if(s[i] == '1')
		{
			a[i] = {0, 0};
		}
	}
	for(int i = 1; i <= q; i++)
	{
		string command;
		cin >> command;
		if(command == "query")
		{
			int x, y;
			cin >> x >> y;
			x--, y--;
			int ans = a[x][0];
			if(a[x][1] != -1) ans += (i - a[x][1]); 
			cout << ans << "\n";
		}
		else
		{
			int idx;
			cin >> idx;
			idx--;
			if(a[idx][1] == -1)
			{
				a[idx][1] = i;
			}
			else
			{
				a[idx][0] += (i - a[idx][1]);
				a[idx][1] = -1;
			}
		}
	}
}

int32_t main() 
{
	auto begin = std::chrono::high_resolution_clock::now();
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int t = 1;
	// cin >> t;
	for(int i = 1; i <= t; i++) 
	{
		//cout << "Case #" << i << ": ";
		Solve();
	}
	auto end = std::chrono::high_resolution_clock::now();
    auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
    cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n"; 
	return 0;
}

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 2100 KB Output is correct
2 Correct 68 ms 4124 KB Output is correct
3 Correct 69 ms 5284 KB Output is correct
4 Correct 113 ms 11136 KB Output is correct
5 Correct 132 ms 11628 KB Output is correct
6 Correct 84 ms 10916 KB Output is correct
7 Correct 110 ms 11716 KB Output is correct
8 Correct 119 ms 13156 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -