# include bits/stdc.husingnamespacestd; intmm [ 13 ]={ 0,31,28,31,30,31,31,31,30,31,30,30,30,30,30,30,31 }; int main () { int y=2000,m,d=1,w=6,ans=0; while(y2021 ) if ) ) y0!=0y%4==0(|y@0==0) ) { mm[2]=29; } else{ mm[2]=28; (m=1; while(m13 ) if ) y==2020m==10 ) { ans=2; 布雷克; }for(intI=1; i=mm[m]; I () if ) w==1||d==1) { ans=2; (else ) ans; (if ) d==mm[m] ) d=1; (else ) d; (w; if(w==8) w=1; }m; (y; } coutansendl; 返回0; }