제출 #733873

#제출 시각아이디문제언어결과실행 시간메모리
733873mosiashvililuka조이터에서 친구를 만드는건 재밌어 (JOI20_joitter2)C++14
1 / 100
5045 ms940 KiB
#include<bits/stdc++.h> using namespace std; int a,b,c,d,e,i,j,ii,jj,zx,xc,bo[2009][2009],pas,t,tes; int main(){ ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0); cin>>a>>tes; for(t=1; t<=tes; t++){ cin>>c>>d; if(bo[c][d]==0){ bo[c][d]=1;pas++; } while(1){ c=0;d=0;e=0; for(i=1; i<=a; i++){ for(j=i+1; j<=a; j++){ if(bo[i][j]==0||bo[j][i]==0) continue; for(ii=1; ii<=a; ii++){ if(ii==i||ii==j) continue; if(bo[ii][i]==0&&bo[ii][j]==1){ e=ii;c=i;d=j; break; } if(bo[ii][j]==0&&bo[ii][i]==1){ e=ii;c=j;d=i; break; } } if(e!=0) break; } if(e!=0) break; } if(e==0) break; bo[e][c]=1;pas++; } cout<<pas<<"\n"; } return 0; }
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