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Submission #736454

# Submission time Handle Problem Language Result Execution time Memory
736454 2023-05-05T16:46:21 Z Dan4Life Street Lamps (APIO19_street_lamps) C++17
20 / 100
 133 ms 10944 KB 
#include <bits/stdc++.h>
using namespace std;

const int maxn = (int)3e5+10;

string s;
int n, q, a[maxn], cnt[maxn], t[maxn];
int32_t main() {
	ios_base::sync_with_stdio(false); cin.tie(0);
	cin >> n >> q >> s;
	for(int i = 1; i <= n; i++){
		a[i] = (s[i-1]=='1');
		t[i] = (a[i]==1?0:-1);
	}
	for(int i = 1; i <= q; i++){
		int x, y; cin >> s >> x;

		if(s[0]=='t'){
			a[x]^=1;
			if(a[x]) t[x]=i;
			else cnt[x]+=i-t[x];
		}
		else cin >> y, cout << cnt[x]+a[x]*(i-t[x]) << "\n";
	}
}

Subtask #1
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 #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 4444 KB Output is correct
2 Correct 66 ms 4716 KB Output is correct
3 Correct 66 ms 5256 KB Output is correct
4 Correct 84 ms 10080 KB Output is correct
5 Correct 77 ms 9288 KB Output is correct
6 Correct 72 ms 9748 KB Output is correct
7 Correct 96 ms 9508 KB Output is correct
8 Correct 133 ms 10944 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 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
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 -