oj.uz

Submission #376180

# Submission time Handle Problem Language Result Execution time Memory
376180 2021-03-11T03:32:12 Z 8e7 Lamps (JOI19_lamps) C++14
4 / 100
 8 ms 2840 KB 
//Challenge: Accepted
#include <iostream>
#include <algorithm>
#include <vector>
#include <utility>
#include <set>
#define ll long long
#define maxn 200005
#define pii pair<int, ll>
#define ff first
#define ss second
#define mod 1000000007
#define io ios_base::sync_with_stdio(0);cin.tie(0);
using namespace std;
string a, b;
int main() {
	io
	int n;
	cin >> n;
	cin >> a >> b;
	int cur = 0, cnt = 0;
	for (int i = 0;i < n;i++) {
		if (b[i] - '0' != cur) {
			cur ^= 1;
			cnt++;
		}
	}
	if (b[n - 1] == '0') cnt--;
	cout << (cnt + 1) / 2 << "\n";
}
/*
6
000000
001110
 */

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 41.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 5 ms 2824 KB Output is correct
8 Correct 5 ms 2824 KB Output is correct
9 Correct 8 ms 2840 KB Output is correct
10 Correct 5 ms 2824 KB Output is correct
11 Correct 7 ms 2824 KB Output is correct
12 Correct 7 ms 2824 KB Output is correct
13 Correct 5 ms 2824 KB Output is correct
14 Correct 6 ms 2824 KB Output is correct

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -