#include <cstdlib>
#include <vector>
#include <iostream>
#include <algorithm>
#include <cassert>
using namespace std;
void fill_random_int(vector<int>& v, int cnt)//生成cnt个随机数并存入vector中
{
v.clear();
for(int i = 0; i < cnt; i++)
v.push_back(rand());
}
void test_sort(vector<int>& v)//对vector进行排序
{
sort(v.begin(), v.end());
for(int i = 0; i < v.size()-1; i++)
assert(v[i] <= v[i+1]);//assert 作用:当表达式为假强行终止程序,并给出错误提示
}
int main()
{
vector<int> v;
fill_random_int(v, 1000000);
test_sort(v);
return 0;
}