#include <iostream>
#include <time.h>
int main()
{
using namespace std;
time_t t1,t2;
struct tm *p1,*p2;
t1 = time(0);
p1 = localtime(&t1);
cout << p1 << "," << p2 << endl;
t2 = t1 - 24*3600;
p2 = localtime(&t2); //Õâ¾äΪʲô»á¸Ä±äp1µÄÖ¸Õ룿
cout << p1 << "," << p2 << endl;
cout << p1->tm_year+1900 << "-" << p1->tm_mon+1 << "-" << p1->tm_mday << endl;
cout << p2->tm_year+1900 << "-" << p2->tm_mon+1 << "-" << p2->tm_mday << endl;
}
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