Submission #765084

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
765084	2023-06-24 08:18:56	vjudge1	Roadside Advertisements (NOI17_roadsideadverts)	C++17	7 / 100	66 ms	11464 KiB

roadsideadverts

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#include <bits/stdc++.h>
using namespace std;
 
// #pragma comment(linker, "/stack:2000000000")
// #pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
 
 
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll,ll> pll;
 
#define precise(a) cout<<fixed<<setprecision(a)
#define sz size()
#define ff first
#define ss second
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(), a.rend()
#define pb push_back
// t1
const ll mod = ll(1e9)+7; //(b + (a%b)) % b (to mod -1%(10^9+7) correctly in c++ its -1 but its suppose to be 10^9+6
const ll MOD = 998244353;  // (a%mod)*(binpow(b,mod-2,mod) = (a/b)%mod
const ll N = ll(1e5)+10;
const ll inf = 1e9;
const ld eps = 1e-15L;
const ll B = 400;
// const ld pie = acos(-1.0);
 
ll lcm(ll a, ll b){ return (a / __gcd(a,b))*b; }
 
 
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Compilation message (stderr)

roadsideadverts.cpp: In function 'void Freopen(std::string)':
roadsideadverts.cpp:33:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
roadsideadverts.cpp:33:76: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                                                                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 0 / 23
• Subtask 3: 0 / 40
• Subtask 4: 0 / 30