Submission #59841277

Source Code Expand

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#include<bits/stdc++.h>
using namespace std;
const int N = 5e5 + 10;
int n, k, m = 0, t[N];
char s[N];
pair<int, int> B[N];
int main() {
    ios :: sync_with_stdio(false);
    cin.tie(0), cout.tie(0);
    cin >> n >> k;
    cin >> (s + 1);
    for (int i = 1; i <= n; i++) {
        if (s[i] == '1') {
            if (i == 1 || s[i - 1] == '0') {
                ++m;
                B[m] = {i, i};
            } else {
                B[m].second = i;
            }
        }
 
 
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#include<bits/stdc++.h>
using namespace std;
const int N = 5e5 + 10;
int n, k, m = 0, t[N];
char s[N];
pair<int, int> B[N];
int main() {
    ios :: sync_with_stdio(false);
    cin.tie(0), cout.tie(0);

    cin >> n >> k;
    cin >> (s + 1);
    for (int i = 1; i <= n; i++) {
        if (s[i] == '1') {
            if (i == 1 || s[i - 1] == '0') {
                ++m;
                B[m] = {i, i};
            } else {
                B[m].second = i;
            }
        }
    }
    for (int i = 1; i <= m; i++) {
        int l = B[i].first;
        int r = B[i].second;
        if (i == k) {
            r = B[i - 1].second + r - l + 1;
            l = B[i - 1].second + 1;
        }
        for (int j = l; j <= r; j++) t[j] = 1;
    }
    for (int i = 1; i <= n; i++) cout << t[i];
    return 0;
}

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