#include <stdio.h>
int main(int argc, const char *argv[]) { int year,month,day,hour,min,sec; year = 2020; month = 7; day = 4; hour = 19; min = 59; sec = 59;
while(1){ sleep(1); //sleep（1）延时一秒钟 sec ++; //请写出你的代码 if(sec >= 60){ sec = 0; min++; if(min >= 60){ min = 0; hour++; if(hour >= 24){ hour = 0; day++; if(month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12){ if(day >= 32){ day = 1; month++; } }else if(month == 4 || month == 6 || month == 9 || month == 11){ if(day >= 31){ day = 1; month ++; } }else{ if((year%4 == 0 && year%100 !=0)|| year%400 == 0){ if(day >= 30){ day = 1; month ++; } }else{ if(day >= 29){ day = 1; month++; } } } if(month >= 13){ month = 1; year++; }
} }
} printf("%4d-%02d-%02d %02d:%02d:%02d\r",year,month,day ,hour,min,sec); fflush(stdout);//刷新标准输出的缓冲区
}
return 0; }
