C/C++ sort从大到小排序

重写cmp函数

#include <iostream>
#include <algorithm>

using namespace std;

bool cmp(int a,int b){
    return a > b;
}

int main(){
    int a[] = {5,3,7,3,9,4};
    sort(a,a+6,cmp);
    for(int i = 0;i < 6;i ++){
        cout<<a[i]<<" ";
    }
    return 0;
}