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两个整数求最大值

#include <iostream>using namespace std;void max(int * p1,int * p2){    int m;    m = * p1;    if(m < * p2)        m = * p2;    cout << m << endl;}int main(){    int a,b;    int * a_pointer , * b_pointer;    a_pointer = &a;    b_pointer = &b;    cin >>  a >> b;    max(a_pointer,b_pointer);    return 0;}