#include <stdio.h>void main(){ int year,day,leap,days,month; printf("please input year month and day："); scanf ("%d %d %d"，year,month,day); if(year%4==0) { if (year%100==0)
#include <stdio.h>int main(){ int year,day,leap,days,month; printf("please input&nb 0 16
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你有13个{，12个}，少一个}。在if(leap && month>3)这句上面加一个}
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