oj.uz

Submission #824008

# Submission time Handle Problem Language Result Execution time Memory
824008 2023-08-13T11:24:13 Z Mohammed_Atalah Street Lamps (APIO19_street_lamps) C++17
20 / 100
 83 ms 13320 KB 
/// Template path: /home/mohammed/.config/sublime-text-3/Packages/User

#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;

// typedef
typedef long long ll;
typedef long double ld;
typedef vector<int> vecint;
typedef vector<char> vecchar;
typedef vector<string> vecstr;
typedef vector<long long> vecll;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

// Marcos
#define endl ("\n")
#define int long long
#define mod 1000000007
#define pi (3.141592653589)
#define REP(i,a,b) for (int i = a; i < b; i++)
#define RREP(i,a,b) for (int i = a; i > b; i--)
#define fast ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr)

// Functions
long long squared(long long x) {return (x * x) % mod;}
int factorial(int n) {long long res = 1; for (int i = 1; i <= n; i++) {res = ((res * i) % mod + mod) % mod ;} return res;}
long long power(long long x, long long p) {if (p == 0) {return 1;} if (p % 2 == 1) {return (power(x, p - 1) * x) % mod;} return squared(power(x, p / 2));}

// cout << fixed;
// cout << setprecision(4);


// ---------(^_^)--------- //




void main_solve() {


	int n, q; cin >> n >> q;
	string s; cin >> s;
	vector<int> last(n, -1);
	vector<int> result(n);
	for (int i = 0; i < n ; i ++) {
		if (s[i] == '1') {
			last[i] = 0;
		}
	}
	int curr_time = 0;
	while (q--) {
		curr_time++;
		string type; cin >> type;
		if (type == "toggle") {
			int x; cin >> x;
			if (s[x - 1] == '0') {
				s[x - 1] = '1';
				last[x - 1] = curr_time;
			} else {
				s[x - 1] = '0';
				result[x - 1] += curr_time - last[x - 1];
				last[x - 1] = -1;
			}
			continue;
		}



		int a, b; cin >> a >> b;
		int e =  result[a - 1];
		if (last[a - 1] != -1) {
			e += (curr_time - last[a - 1]);
		}

		cout << e << endl;





	}



}


int32_t main() {

	fast;
// #ifndef ONLINE_JUDGE
// 	freopen("input.txt", "r", stdin);
// 	freopen("output.txt", "w", stdout);
// #endif
	// Just another problem (-_-)

	int t;
	t = 1;
	// cin >> t;

	while (t--) {
		main_solve();
	}


}

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 52 ms 1164 KB Output is correct
2 Correct 56 ms 4692 KB Output is correct
3 Correct 59 ms 5328 KB Output is correct
4 Correct 78 ms 11360 KB Output is correct
5 Correct 78 ms 11732 KB Output is correct
6 Correct 63 ms 11000 KB Output is correct
7 Correct 78 ms 11968 KB Output is correct
8 Correct 83 ms 13320 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 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 -