제출 #901601

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
901601	2024-01-09 16:30:31	imarn	Progression (NOI20_progression)	C++14	35 / 100	264 ms	78672 KiB

Progression

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#include<bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define f first
#define s second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
const int N=3e5+5;
struct node{
    ll al,ar,mxl,mxr,mx,sz,dl,dr;
    node operator+(node b){
        node tmp;tmp.al=al;tmp.ar=b.ar;tmp.sz=sz+b.sz;
        tmp.mxl=max(mxl,1ll*2);tmp.mx=max({mx,b.mx,1ll*2});
        tmp.mxr=max(b.mxr,1ll*2);
        if(sz==0&&b.sz==0)return {0,0,0,0,0,0,0};
        else if(sz==0)return b;
        else if(b.sz==0)return {al,ar,mxl,mxr,mx,sz,dl,dr};
        else if(sz==1&&b.sz==1){
            tmp.mxl=2;tmp.mxr=2;tmp.mx=2;
            tmp.dl=b.al-ar,tmp.dr=b.al-ar;
        }
        else if(sz==1){
            if(b.al-ar==b.dl)tmp.mxl = max(tmp.mxl,1+b.mxl);
            if(b.al-ar==b.dl&&b.mxr==b.sz)tmp.mxr=max(tmp.mxr,1+b.mxr);
            if(b.al-ar==b.dl)tmp.mx=max(tmp.mx,1+b.mxl);
            tmp.dr=b.dr;tmp.dl=b.al-ar;
        }
        else if(b.sz==1){
            if(b.al-ar==dr&&mxl==sz)tmp.mxl = max({tmp.mxl,mxl+1});
 
 
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컴파일 시 표준 에러 (stderr) 메시지

Progression.cpp: In member function 'node node::operator+(node)':
Progression.cpp:38:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   38 |             if(dr==b.dl&&b.al-ar==dr)tmp.mx=max(tmp.mx,mxr+b.mxl);tmp.dl=dl,tmp.dr=b.dr;
      |             ^~
Progression.cpp:38:67: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   38 |             if(dr==b.dl&&b.al-ar==dr)tmp.mx=max(tmp.mx,mxr+b.mxl);tmp.dl=dl,tmp.dr=b.dr;
      |                                                                   ^~~

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