제출 #265365

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
265365	2020-08-14 16:29:25	eohomegrownapps	Progression (NOI20_progression)	C++14	100 / 100	2867 ms	79596 KiB

Progression

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll deltas[300000];
 
struct Data{
    ll len = 1;
    ll maxpref=1;
    ll maxsuff=1;
    ll prefval=0;
    ll suffval=0;
    ll maxlen=1;
    ll deltasum = 0;
};
 
Data combine(const Data &l, const Data &r){
    Data ans;
    ans.len = l.len + r.len;
    ans.deltasum = l.deltasum + r.deltasum;
    ans.maxpref = l.maxpref;
    ans.prefval = l.prefval;
    ans.maxsuff = r.maxsuff;
    ans.suffval = r.suffval;
    if (l.maxpref==l.len&&l.prefval==r.prefval){
        ans.maxpref=l.len+r.maxpref;
    }
    if (r.maxpref==r.len&&r.prefval==l.suffval){
        ans.maxsuff=r.len+l.maxsuff;
    }
    ans.maxlen=max(l.maxlen,r.maxlen);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

Progression.cpp: In function 'void rewrite(ll, ll, ll, ll)':
Progression.cpp:174:8: warning: unused variable 'xlm1' [-Wunused-variable]
  174 |     ll xlm1, xr1;
      |        ^~~~
Progression.cpp:188:29: warning: 'xr1' may be used uninitialized in this function [-Wmaybe-uninitialized]
  188 |         root->update(r,r,xr1-s-(r-l)*c,true);
      |                          ~~~^~

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• Subtask 2: 15 / 15
• Subtask 3: 35 / 35
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