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Submission #1044631

# Submission time Handle Problem Language Result Execution time Memory
1044631 2024-08-05T11:51:01 Z Kel_Mahmut Street Lamps (APIO19_street_lamps) C++14
20 / 100
 166 ms 18416 KB 
#include <bits/stdc++.h>
#define pb push_back
#define endl ("\n")
#define all(aa) aa.begin(), aa.end()
typedef long long ll;
using namespace std;

int main(){
	int n, q;
	cin >> n >> q;
	vector<int> v(n);
	string s;
	cin >> s;
	for(int i = 0; i < n; i++) v[i] = (s[i] == '1');

	vector<vector<pair<int, int>>> Q(n);
	for(int i = 1; i <= q; i++){
		string t;
		cin >> t;
		if(t == "toggle"){
			int a; cin >> a; a--;
			Q[a].pb({i, 0});
		}
		else{
			int l, r; cin >> l >> r;
			l--, r -= 2;
			Q[l].pb({i, 1});
		}
	}
	vector<int> ans(q + 1, -1);
	for(int i = 0; i < n; i++){
		ll one = v[i];
		ll cev = 0;
		ll time = 0;
		for(auto [a, t] : Q[i]){
			cev += one * (a - time);
			if(t == 0){
				one ^=1;
			}
			else{
				ans[a] = cev;
			}
			time = a;
		}
	}

	for(int i = 0; i <= q; i++){
		if(ans[i] != -1){
			cout << ans[i] << endl;
		}
	}

}

Compilation message

street_lamps.cpp: In function 'int main()':
street_lamps.cpp:35:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   35 |   for(auto [a, t] : Q[i]){
      |            ^

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 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 85 ms 5716 KB Output is correct
2 Correct 92 ms 5716 KB Output is correct
3 Correct 105 ms 6484 KB Output is correct
4 Correct 140 ms 17136 KB Output is correct
5 Correct 143 ms 17604 KB Output is correct
6 Correct 137 ms 16876 KB Output is correct
7 Correct 162 ms 16844 KB Output is correct
8 Correct 166 ms 18416 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 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 348 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 348 KB Output isn't correct
2 Halted 0 ms 0 KB -