P9656 [ICPC2021 Macao R] So I‘ll Max Out My Constructive Algorithm Skills
ACcode:#includeusingnamespacestd;#defineintlonglongconstintN=70;inta[N][N],t,n,t1,t2;voidsolve(){cin>>n;vectorv;memset(a,0,sizeofa);t1=t2=0;for(inti=1;i>a[i][j];for(inti=1;i=1;j--){v.push_back(a[i][j]