void RandomNum()
{
std::vector<int> vec;
int sum = 100;
srand((int)time(0));
for (int i = 0; i < 4; i++)
{
int random = rand() % 100;
while (random + 5 - i - 1 > sum)
{
random = rand() % 100;
}
sum -= random;
vec.push_back(random);
}
vec.push_back(sum);
}
生成5个随机数且和为100
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转载自blog.csdn.net/boiled_water123/article/details/106040846
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