제출 #393904

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
393904	2021-04-24 20:09:57	jainbot27	Alternating Current (BOI18_alternating)	C++17	100 / 100	433 ms	21012 KiB

alternating

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#include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
#define pb push_back
#define ar array
#define all(x) x.begin(), x.end()
#define siz(x) (int) x.size()
#define uid(a, b) uniform_int_distribution<int>(a, b)(rng)
#define FOR(i, a, b) for(int i=(a); i<(b); i++)
#define ROF(i, a, b) for(int i=(b-1); i>=(a); i--)
#define F0R(i, n) FOR(i, 0, n)
#define R0F(i, n) ROF(i, 0, n)
#define trav(x, y) for(auto&x:y)
using ll=long long;
using ld=long double;
using pii=pair<int, int>;
using pll=pair<ll, ll>;
using pli=pair<ll, int>;
using vi=vector<int>;
using vl=vector<ll>;
using vpii=vector<pii>;
template<class T> inline bool ckmin(T&a, const T&b) {return b<a?a=b,1:0;}
template<class T> inline bool ckmax(T&a, const T&b) {return b>a?a=b,1:0;}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
 
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컴파일 시 표준 에러 (stderr) 메시지

alternating.cpp: In function 'int32_t main()':
alternating.cpp:185:32: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
  185 |                     ans[r[j]]=j&1^x;
      |                               ~^~
alternating.cpp:186:48: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
  186 |                     trav(v, pts[r[j]]) ans[v]=j&1^1^x;
      |                                               ~^~
alternating.cpp:202:40: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
  202 |             trav(v, pts[r[i]]) ans[v]=i&1^1;
      |                                       ~^~

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• Subtask 2: 20 / 20
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