Submission #944727

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
944727	2024-03-13 04:11:48	guagua0407	Constellation 3 (JOI20_constellation3)	C++17	100 / 100	306 ms	74756 KiB

constellation3

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//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define f first
#define s second
#define all(x) x.begin(),x.end()
#define _ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int dx[4]={0,0,1,-1};
int dy[4]={1,-1,0,0};
void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}
const int mxn=2e5+5;
const int inf=1e9;
const ll inf2=1e18;
int a[mxn];
pair<int,int> table[mxn][18];
int up[mxn][18];
vector<pair<int,int>> st[mxn],en[mxn];
int l[mxn],r[mxn];
ll dp[mxn];
int ordl[mxn],ordr[mxn];
ll bit[mxn];
int cnt=0;
 
 
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Compilation message (stderr)

constellation3.cpp: In function 'void setIO(std::string)':
constellation3.cpp:15:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
constellation3.cpp:16:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 21 / 21
• Subtask 3: 65 / 65