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37 lines
844 B
C++
37 lines
844 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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int t, n, H, S, V;
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double a[10005], d;
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int main()
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{
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scanf("%d", &t);
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double ans;
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while (t--)
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{
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ans = 0;
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scanf("%d", &n);
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for (int i = 0; i < n; i++)
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{
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scanf("%lf%lf", a + i, &d);
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if (d >= 1)
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a[i] = a[i] * a[i] * a[i];
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else
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a[i] = a[i] * a[i] * a[i] * d;
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}
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scanf("%d%d%d", &S, &H, &V);
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ans += V / S;
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for (int i = 0; i < n; i++)
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{
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ans += a[i] / S;
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if (ans > H)
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{
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ans = H;
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break;
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}
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}
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printf("%.2lf\n", ans);
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}
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return 0;
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} |