Submission #45915

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
459152018-04-16 13:20:54golubPort Facility (JOI17_port_facility)C++11
100 / 100
5194 ms333044 KiB
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,sse4")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("unroll-all-loops")
#include<cstring>
#include<iostream>
using namespace std;
char buf[(long long)5e8];
size_t p_ = 0;
void *operator new(size_t n_) {
p_ += n_;
return buf + p_ - n_;
}
void operator delete(void*) {};
#include <bits/stdc++.h>
//#define TASK "lca"
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define F first
#define S second
#define pb push_back
//#define int long long
#define pii pair<int, int>
 
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Compilation message (stderr)

port_facility.cpp: In function 'int main()':
port_facility.cpp:218:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
port_facility.cpp:226:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &x.F, &x.S);
         ~~~~~^~~~~~~~~~~~~~~~~~~~
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