写一份蒟蒻的倒计时程序 （美化极不到位）

#include <iostream>
#include <Windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#define scta(a) SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE),a); 
void wait ( int seconds )
{
    clock_t endwait;
    endwait = clock () + seconds * CLK_TCK ;
    while (clock() < endwait) {}
} 
int main() {
    time_t rawtime;
    struct tm * target_time; 
    int d,h,m,s;
    int k=0;
    long double dif,r;
    time_t now,t_end; 
    time ( &rawtime );
    target_time = localtime ( &rawtime );
    target_time->tm_year = 2024 - 1900;
    target_time->tm_mon= 7 - 1;
    target_time->tm_mday = 27 ;
    target_time->tm_hour = 1 ;
    target_time->tm_min = 30 ;
    target_time->tm_sec = 0 ;
    t_end = mktime (target_time);
    while (k < 200){
        now = time (NULL);
        dif = difftime (t_end,now); 
        d = (int) (dif / 86400.0);
        r = dif - d * 86400.0;
        h = (int) (r / 3600.0);
        r = r - h * 3600.0;
        m = (int) (r / 60.0);
        r = r - m * 60.0;
        s = (int) (r);
        scta(6); 
        printf("距离2024年巴黎奥运会还有\n");
        printf("                 %d天%d小时%d分%d秒（北京时间）\n",d,h,m,s);
        scta(6); 
        printf("\n\n");
        if(d<2)printf("There is still %d day %d hour %d minute %d second (UTC+8) left until the 2024 Paris Olympics",d,h,m,s) ;
        else printf("There are still %d day %d hour %d minute %d second (UTC+8) left until the 2024 Paris Olympics",d,h,m,s) ;
        (void) wait ( 1 );
        k = k + 1;
        system("CLS");
    };
}