제출 #163690

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
163690	2019-11-14 16:09:42	TadijaSebez	Two Dishes (JOI19_dishes)	C++11	100 / 100	8633 ms	218148 KiB

dishes

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
const int N=1e6+50;
const int M=2*N;
const ll inf=3e18;
ll ckmx(ll &a, ll b){ return a=max(a,b);}
int ls[M],rs[M],tsz,root;
ll lzy[M][2],mx[M];
void Upd(int c, ll x, int t)
{
  if(t==0) mx[c]+=x,lzy[c][0]+=x,lzy[c][1]+=x;
  else ckmx(mx[c],x),ckmx(lzy[c][1],x);
}
void Push(int c)
{
  Upd(ls[c],lzy[c][0],0);Upd(ls[c],lzy[c][1],1);
  Upd(rs[c],lzy[c][0],0);Upd(rs[c],lzy[c][1],1);
  lzy[c][0]=0;lzy[c][1]=-inf;
}
void Set(int c, int ss, int se, int qs, int qe, ll x, int t)
{
  if(qs>qe || qs>se || ss>qe) return;
  if(qs<=ss && qe>=se) return Upd(c,x,t);
  int mid=ss+se>>1;Push(c);
  Set(ls[c],ss,mid,qs,qe,x,t);
  Set(rs[c],mid+1,se,qs,qe,x,t);
  mx[c]=max(mx[ls[c]],mx[rs[c]]);
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

dishes.cpp: In function 'void Set(int, int, int, int, int, long long int, int)':
dishes.cpp:26:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=ss+se>>1;Push(c);
          ~~^~~
dishes.cpp: In function 'long long int Get(int, int, int, int)':
dishes.cpp:34:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=ss+se>>1;Push(c);
          ~~^~~
dishes.cpp: In function 'void Build(int&, int, int)':
dishes.cpp:41:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=ss+se>>1;
          ~~^~~

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