241123

A 计算

场上想到了正解,但是题目中2的逆元写错了,一直没找出来

在小细节的地方要更仔细

B 区间

利用类似四毛子的分块解法非常优美

C

感觉题目没有很难,核心是对并查集的应用

扩展域并查集好题

D 提高

题目思维含量不少

主要在于向各路技术的转化,以及状态的处理

各档的部分分也非常有价值

P3953 [NOIP2017 提高组] 逛公园

P2656 采蘑菇

缩点后形成DAG,在DAG上广搜DP即可

注意路边权的处理,能多次经过和单次经过不同

241064: 08-28 22:52:28.631340 22756 22880 D AudioTrack: pause(1172): prior state:STATE_ACTIVE output 21 stream 3 session 8521 行 241076: 08-28 22:52:28.632365 22756 22880 D AudioTrack: flush+ mIsStopFlush 0, mIsTrackSupportFade 1, mTrackFadeSupportType 7 , mShareBuffer != 0 ? 0, mState 2 行 241077: 08-28 22:52:28.632373 22756 22880 D AudioTrack: [oplusAudioFade]flush fade +++ 行 241119: 08-28 22:52:28.656476 2130 4006 D Telecom : h2: onPlaybackConfigChanged: config=AudioPlaybackConfiguration piid:8231 deviceIds:[1100] type:android.media.AudioTrack u/pid:10330/22756 state:paused attr:AudioAttributes: usage=USAGE_MEDIA content=CONTENT_TYPE_MUSIC flags=0xA00 tags= bundle=null sessionId:8521 mutedState:clientVolume FormatInfo{isSpatialized=false, channelMask=0x3, sampleRate=44100} 行 241121: 08-28 22:52:28.658646 2130 4006 D Telecom : h2: onPlaybackConfigChanged: config=AudioPlaybackConfiguration piid:8207 deviceIds:[1100] type:android.media.AudioTrack u/pid:10373/19031 state:started attr:AudioAttributes: usage=USAGE_MEDIA content=CONTENT_TYPE_UNKNOWN flags=0xA00 tags= bundle=null sessionId:8497 mutedState:none FormatInfo{isSpatialized=false, channelMask=0x3, sampleRate=24000} 行 241123: 08-28 22:52:28.658721 2130 4006 D Telecom : h2: onPlaybackConfigChanged: config=AudioPlaybackConfiguration piid:8215 deviceIds:[1100] type:android.media.AudioTrack u/pid:10330/22756 state:started attr:AudioAttributes: usage=USAGE_MEDIA content=CONTENT_TYPE_MUSIC flags=0xA00 tags= bundle=null sessionId:8505 mutedState:none FormatInfo{isSpatialized=false, channelMask=0x3, sampleRate=44100} 行 241173: 08-28 22:52:28.729509 22756 22880 D AudioTrack: flush(1172): prior state:STATE_PAUSED 行 241191: 08-28 22:52:28.742575 3742 5701 D OplusBtAudioRouteMonitor: AudioManager Player: AudioPlaybackConfiguration piid:8215 deviceIds:[1100] type:android.media.AudioTrack u/pid:10330/22756 state:started attr:AudioAttributes: usage=USAGE_MEDIA content=CONTENT_TYPE_MUSIC flags=0xA00 tags= bundle=null sessionId:8505 mutedState:none FormatInfo{isSpatialized=false, channelMask=0x3, sampleRate=44100} 行 242102: 08-28 22:52:29.089166 22756 25379 D AudioTrack: pause(1172): prior state:STATE_FLUSHED output 21 stream 3 session 8521为什么有两个pause?
09-02
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