5"; 3 ) { y--;%d/%d"#include <, &year, &month, &day) != 3 ) break; printf( "--> %s\n"年月日是?(yyyy/mm/:1970-2017年之间的的某一年的 1月1日是星期几的话;5 + d )%7.h> int subZeller( int y, day; char *dayname[] =( "0" ;,"1" m += 12; } return ( y + y/4 - y/100 + y/400 + ( 13*m + 8 )/stdio;dd)> ","4 - y/, dayname[subZeller(year,month,day)] ); } return 0; } 这段c语言是指求某年某月某天是星期几,要是改成只求;,"2"100 + y/," } int main() { int year, month, int m, int d ) { if( m <6") while( 1 ) { printf( ",",该怎么改? 还有 y + y/,"3"4"; ); if( scanf("%d/