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26 lines
700 B
C++
26 lines
700 B
C++
#define _CRT_SECURE_NO_WARNINGS
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#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
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#include <bits/stdc++.h>
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using namespace std;
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typedef long long ll;
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const int N = 3e5 + 50;
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ll x[N], p[N];
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ll gcd(ll a, ll b) { return b == 0 ? a : gcd(b, a % b); }
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int main()
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{
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int n, m;
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scanf("%d%d", &n, &m);
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for (int i = 0; i < n; i++)
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scanf("%lld", x + i);
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for (int i = 0; i < m; i++)
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scanf("%lld", p + i);
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ll _g = x[1] - x[0];
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for (int i = 1; i < n; i++)
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_g = gcd(_g, x[i] - x[i - 1]);
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for (int i = 0; i < m; i++)
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if (_g % p[i] == 0)
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printf("YES\n%lld %d\n", x[0], i + 1), exit(0);
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puts("NO");
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return 0;
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}
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