下一个对称日...

#include <iostream>
#include <ctime>
#include <cstring>

using namespace std;

void jump_to_next_day(time_t *curtime){
    *curtime+= 24*60*60;
}

void print_symmetric_day(char *str){
    int i,j;
    int n = strlen(str);
    for(i =0, j=n-1; i<j; i++, j--){
        if(str[i]!=str[j]) break;
    }
    if (i>j) cout << str << endl;
}
int main(){
    time_t curtime;
    time(&curtime);
    char str[20];
    for (int i=0; i<100000; i++){
        struct tm *info = localtime(&curtime);
        strftime(str, sizeof(str), "%Y%m%d", localtime(&curtime)); 
        print_symmetric_day(str);
        jump_to_next_day(&curtime);
    }
}

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