check point cast

Learning point 1: Selectable check boxes

Test instructionsN a score. M operations.Q a B: Query the highest score from the first to the B scoresU a B: Conversion of Grade A to BIdeas:Look at the code,Code:Const intMAXN =200010;intmaxs[maxn2];intn,m;voidPushup (intRT) {Maxs[rt]= Max (maxs[rt1], maxs[rt1|1] );}voidBuildintLintRintRT) { if(l==R) {scanf ("%d",Maxs[rt]); return; } intm = (L + r) >>1; Build (Lson); Build (Rson); Pushup (RT);}voidUpdateintPintAddintLintRintRT) { if(l==R) {Maxs[rt]=add; return; } intm = (L + r

C: Sub-minor large valueProgress BarTime limit:0 Sec Memory limit:0 MiBSubmitted:782 correct answer:166 Title DescriptionSmall A: little B can you sing a little star?Little B: A flash of sparkle, very simple;Little A: Will you find the maximum minimum of a sequence number?Little B: Of course, it's simple. I will also find a small value of the second big value?Small A: Small times big value?Small B: Sub-small value is larger than the minimum value, minus the minimum value of the remaining sequenc