Submission #840302

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
840302	2023-08-31 09:37:57	Fysty	Longest Trip (IOI23_longesttrip)	C++17	100 / 100	15 ms	320 KiB

longesttrip

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#include <bits/stdc++.h>
#include <random>
#include <chrono>
using namespace std;
#pragma GCC optimize("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<double,double> pdd;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
template<typename T> void _do(T x){cerr<<x<<"\n";}
template<typename T,typename ...U> void _do(T x,U ...y){cerr<<x<<", ";_do(y...);}
#define dbg(...) cerr<<#__VA_ARGS__<<" = ";_do(__VA_ARGS__);
const int MOD1=1e9+7;
const int MOD2=998244353;
const ll INF=3e18;
ll fpow(ll a,ll b,ll m)
{
    if(!b) return 1;
    ll tmp=1;
    for(ll cur=a;b;b>>=1,cur=cur*cur%m) if(b&1) tmp=tmp*cur%m;
    return tmp;
}
ll inv(ll a,ll m) {return fpow(a,m-2,m);}
 
 
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Compilation message (stderr)

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:107:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  107 |         int mid=l+r>>1;
      |                 ~^~
longesttrip.cpp:119:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  119 |         int mid=l+r>>1;
      |                 ~^~
longesttrip.cpp:128:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  128 |     for(int i=l;i<v2.size();i++) ret.pb(v2[i]);
      |                 ~^~~~~~~~~~
longesttrip.cpp:131:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  131 |     for(int i=id;i<v1.size();i++) ret.pb(v1[i]);
      |                  ~^~~~~~~~~~

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 25 / 25
• Subtask 4: 60 / 60