제출 #907401

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
907401	2024-01-15 13:32:22	sunwukong123	Joker (BOI20_joker)	C++14	25 / 100	213 ms	27844 KiB

Joker

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#include <bits/stdc++.h>
using namespace std;
#define int long long 
#ifdef LOCAL
void debug_out() {cerr<<endl;}
template <typename Head, typename... Tail>
void debug_out(Head _H, Tail... _T) {cerr<<" "<<to_string(_H);debug_out(_T...);}
#define debug(...) cerr<<"["<<#__VA_ARGS__<<"]:",debug_out(__VA_ARGS__)
#else
#define debug(...)
#endif
const int MAXN = 200005;
const int inf=1000000500ll;
const long long oo =1000000000000000500ll;
const int MOD = (int)1e9 + 7;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef pair<int,int> pi; 
int n,m,q;
pi E[MAXN];
int ans[MAXN];//suppose [1,i] is blocked, what is the minimum r such that the answer is yes?
struct ufds_{
  vector<array<int,4>> rb;
  pi par[MAXN];
  int sz[MAXN];
  bool bad=0;
  ufds_(){
    fill(sz,sz+MAXN,1);
    for(int i=0;i<MAXN;i++){
      par[i]=pi(i,0);
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

Joker.cpp: In member function 'void ufds_::rollback(long long int)':
Joker.cpp:63:19: warning: comparison of integer expressions of different signedness: 'std::vector<std::array<long long int, 4> >::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   63 |   while(rb.size() > ss){
      |         ~~~~~~~~~~^~~~
Joker.cpp: In function 'void dnc(long long int, long long int, long long int, long long int)':
Joker.cpp:84:7: warning: unused variable 'done' [-Wunused-variable]
   84 |  bool done=0;
      |       ^~~~

• Subtask 1: 0 / 6
• Subtask 2: 0 / 8
• Subtask 3: 25 / 25
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• Subtask 6: 0 / 29