제출 #282905

#제출 시각아이디문제언어결과실행 시간메모리
282905mosiashvililukaXylophone (JOI18_xylophone)C++14
100 / 100
122 ms760 KiB
#include<bits/stdc++.h> #include "xylophone.h" using namespace std; int a,b,c,d,e,i,j,ii,jj,zx,xc,f[5009],mn,mx; void solve(int n){ c=query(1,2); f[1]=0; f[2]=c; mn=0;mx=c;zx=1;xc=2; for(i=3; i<=n; i++){ c=query(i-1,i); d=query(i-2,i); if(f[i-2]<=f[i-1]){ if(d==f[i-1]-f[i-2]+c){ f[i]=f[i-1]+c; }else{ f[i]=f[i-1]-c; } }else{ if(d==f[i-2]-f[i-1]+c){ f[i]=f[i-1]-c; }else{ f[i]=f[i-1]+c; } } if(mn>f[i]){ mn=f[i]; zx=i; } if(mx<f[i]){ mx=f[i]; xc=i; } } if(zx>xc){ for(i=1; i<=n; i++){ f[i]=-f[i]; } } mn=a+2; for(i=1; i<=n; i++){ mn=min(mn,f[i]); } for(i=1; i<=n; i++) f[i]-=mn-1; for(i=1; i<=n; i++) answer(i,f[i]); }
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