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; visit[x][y]=1; Q.push (front); while(!q.empty ()) {Front=q.front (); Q.pop ();if(FRONT.X==R2 FRONT.Y==C2) {returnFront.count; } for(intI=0;i8; i++) {dx=front.x+dir[i][0]; dy=front.y+dir[i][1];if(dx>0dy>0dx8dy8!visit[dx][dy] (DX!=R3 | | dy!=c3)) {visit[dx][dy]=1;//Tag AccessREAR.X=DX; Rear.y=dy; rear.count=front.count+1; Q.push (rear); } } }}intMain () {intc1,r1,sum,k=1; while(scanf("%d%d%d%d%d%d", AMP;R1,AMP;C1,AMP;R2,AMP;C2,AMP;R3,AMP;C3)!=eof) {me

Five students A, B, C, D, and E may participate in computer competitions. Which of the following are determined based on the following conditions?Participants: (1) When a participates, B also participates; (2) B and C are attended by only one person; (3) Both C and D participate, or none; (4) At least one of D and E participates; (5) If e participates, both A and D participate.# Include Using namespace STD;