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Copy path1041.cpp
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79 lines (79 loc) · 1.91 KB
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#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
int nums;
cin >> nums;
cout.precision(5);
cout.setf(ios::fixed); // 设置为小数位始终有 6 位,没有这个的话就会像上面那个代码那样固定的不是小数点后面的数字了。
for (int i = 0;i < nums;i++)
{
int nums1[1010];
int nums2[1010];
int result[2020];
int n, m;
cin >> n >> m;
for (int j = 0;j < n;j++)
{
cin >> nums1[j];
}
for (int j = 0;j < m;j++)
{
cin >> nums2[j];
}
if (n == 0)
{
if (m % 2)
{
cout << double(nums2[m / 2]) << endl;
}
else
{
cout << (double(nums2[m / 2]) + double(nums2[m / 2 - 1])) / 2.0 << endl;
}
continue;
}
if (m == 0)
{
if (n % 2)
{
cout << double(nums1[n / 2]) << endl;
}
else
{
cout << (double(nums1[n / 2]) + double(nums1[n / 2 - 1])) / 2.0 << endl;
}
continue;
}
int ptr1 = 0, ptr2 = 0;
int resultptr = 0;
while (ptr1 < n && ptr2 < m)
{
if (nums1[ptr1] < nums2[ptr2])
{
result[resultptr++] = nums1[ptr1++];
}
else
{
result[resultptr++] = nums2[ptr2++];
}
}
while (ptr1 < m)
{
result[resultptr++] = nums1[ptr1++];
}
while (ptr2 < n)
{
result[resultptr++] = nums2[ptr2++];
}
if ((m + n) % 2)
{
cout << setprecision(5) << double(result[(m + n) / 2]) << endl;
}
else
{
cout << (double(result[(m + n) / 2]) + double(result[(m + n) / 2 - 1])) / 2.0 << endl;
}
}
}