Nearest Opposite Parity (CodeForces - 1272E)(超级源点+反向建边+dijkstra)
DescriptionYou are given an arrayaaconsisting ofnnintegers. In one move, you can jump from the positioniito the positioni−aii−ai(if1≤i−ai1≤i−ai) or to the positioni+aii+ai(ifi+ai≤ni+ai≤n...
原创
2020-01-03 09:17:25 ·
422 阅读 ·
0 评论