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71 lines
1.8 KiB
C++
71 lines
1.8 KiB
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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#define CRP(t, x) const t &x
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#define OPL(t, x) bool operator<(CRP(t, x)) const
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#define FIL(x, v) memset(x, v, sizeof(x))
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#define CLR(x) FIL(x, 0)
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#define NE1(x) FIL(x, -1)
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#define INF(x) FIL(x, 0x3f)
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#ifndef _DEBUG
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#define _DEBUG 0
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#endif // !_DEBUG
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#define IFD if (_DEBUG)
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typedef long long ll, i64;
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const int N = 2e5 + 50;
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int p[N];
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ll Q, n, X, A, Y, B, K;
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ll gcd(ll a, ll b) { return b == 0 ? a : gcd(b, a % b); }
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ll lcm(ll a, ll b) { return a / gcd(a, b) * b; }
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bool check(int len)
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{
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if (len <= 0) return true;
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int ccnt = len / lcm(A, B);
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int acnt = len / A - ccnt;
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int bcnt = len / B - ccnt;
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ll ans = -1, tmp = 0;
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len = min(len, ccnt + acnt + bcnt);
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for (int i = 0; i < len; i++)
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{
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if (i < ccnt)
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tmp += p[i] * (X + Y);
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else if (i < ccnt + acnt)
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tmp += p[i] * X;
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else if (i < ccnt + acnt + bcnt)
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tmp += p[i] * Y;
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if (tmp >= K)
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{
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ans = i + 1;
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break;
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}
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}
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return ans == -1;
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}
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int main()
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{
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scanf("%lld", &Q);
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while (Q--)
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{
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scanf("%lld", &n);
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for (int i = 0; i < n; i++) scanf("%d", p + i), p[i] /= 100;
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scanf("%lld%lld%lld%lld%lld", &X, &A, &Y, &B, &K);
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if (X < Y) swap(A, B), swap(X, Y);
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sort(p, p + n, greater<int>());
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if (check(n))
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puts("-1");
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else
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{
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int L = 0, R = n + 1, M;
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while (R - L > 1)
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if (check(M = (L + R) >> 1))
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L = M;
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else
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R = M;
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M = L;
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if (check(M)) M = R;
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printf("%d\n", M);
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}
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}
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return 0;
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} |