24 lines
520 B
C++
24 lines
520 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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const int N = 1e5 + 10;
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typedef long long LL;
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LL a[N], b[N], s[N];
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LL n, m;
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LL cnt;
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int main() {
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freopen("city.in", "r", stdin);
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freopen("city.out", "w", stdout);
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cin >> n >> m;
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for (int i = 1; i <= n; i++) cin >> a[i];
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for (int i = 1; i <= n; i++) cin >> b[i];
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for (int i = 1; i <= n; i++) {
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cnt += a[i];
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if (cnt >= m) {
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cout << b[i] << endl;
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return 0;
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}
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}
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return 0;
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}
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