| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1041712 |
2024-08-02T07:19:57 Z |
vjudge1 |
Segway (COI19_segway) |
C++17 |
|
18 ms |
4700 KB |
#warning Check FastIO
#ifdef ONLINE_JUDGE
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#endif
#include <iostream>
#include <algorithm>
#include <climits>
#include <queue>
#include <cmath>
#include <map>
#include <set>
#include <random>
#include <chrono>
#include <iomanip>
#include <vector>
#include <fstream>
using namespace std;
#define vll vector<ll>
#define sll set<ll>
#define vstr vector<string>
#define ll long long
#define ld long double
#define supra main
#define pb push_back
#define add insert
#define rall(x) rbegin(x),rend(x)
#define all(x) (x).begin(),(x).end()
#define I ios_base::sync_with_stdio(false);
#define Hear cin.tie(NULL);
#define Shots cout.tie(NULL);
#define Ratatatata
#define bits_on(a) (__builtin_popcountll(a))
#define mx_pw2(a) (__builtin_ctzll(a))
mt19937 RNG(chrono::steady_clock::now().time_since_epoch().count());
#define SHUFFLE(v) shuffle(all(v), RNG);
const ll inf=LLONG_MAX;
void input(vll& a)
{
for(auto& i:a)
cin>>i;
}
void pyn(bool a)
{
cout<<(a?"YES":"NO")<<endl;
}
ll powmod(ll a,ll b,ll modulo)
{
if(b==0){
return 1;
}
ll temp=powmod(a,b/2,modulo);
if(b%2==0){
return (temp*temp)%modulo;
}
else{
return (a*((temp*temp)%modulo))%modulo;
}
}
bool Prime(ll n){
for (ll i = 2; i*i <= n; i++)
if (n % i == 0)
return false;
return (n>1);
}
const int N=2005;
const int M=305;
ll dp[N][M];
ll boost[N][M];
ll speed[N][3];
bool booster[M];
void solve()
{
ll n;
cin>>n;
for(int i=0;i<n;i++)
{
cin>>speed[i][0];
cin>>speed[i][1];
cin>>speed[i][2];
}
ll m;
cin>>m;
for(int j=0;j<m;j++)
{
ll x;
cin>>x;
booster[x]=1;
}
set<pair<ll,pair<ll,ll>>> order_dp;
for(int i=0;i<n;i++)
{
for(int j=0;j<M;j++)
{
dp[i][j]=1e10;
boost[i][j]=0;
}
dp[i][0]=0;
}
for(int j=0;(j+1)<M;j++)
{
order_dp.clear();
for(int i=0;i<n;i++)
order_dp.insert({dp[i][j],{i,j}});
while(order_dp.size()>0)
{
auto it=*begin(order_dp);
order_dp.erase(begin(order_dp));
int i=it.second.first;
int j=it.second.second;
if((j+1)>=M)continue;
if(boost[i][j]>0)
{
// We just boost
dp[i][j+1]=min(dp[i][j+1],dp[i][j]+1);
boost[i][j+1]=boost[i][j]-1;
}
else
{
// cnt ahead of
int sm=0;
for(int ii=0;ii<n;ii++)
{
if(dp[ii][j+1]<=dp[i][j])
{
sm++;
sm%=20;
}
}
boost[i][j]=sm;
if(boost[i][j]>0 and booster[j]==1)
{
dp[i][j+1]=min(dp[i][j+1],dp[i][j]+1);
boost[i][j+1]=boost[i][j]-1;
}
else
{
boost[i][j]=0;
int seg=-1;
{
//Plays a important Role
if(j<100)
{
seg=0;
}
else if(j<200)
seg=1;
else
seg=2;
}
dp[i][j+1]=min(dp[i][j+1],dp[i][j]+speed[i][seg]);
boost[i][j+1]=boost[i][j];
}
// We cnt how many i such that dp[i][j+1]<=dp[i][j]
// by the current time they are ahead of
}
}
}
for(int i=0;i<n;i++)
cout<<dp[i][300]<<'\n';
}
int supra(){
I Hear Shots Ratatatata
ll tqwertyuiop=1;
for(int tp=1;tp<=tqwertyuiop;tp++)
{
// cout<<"Case #"<<tp<<": ";
solve();
}
return 0;
}
/*
Bro use only in a emergency
this is kind of hacking
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
*/
Compilation message
segway.cpp:1:2: warning: #warning Check FastIO [-Wcpp]
1 | #warning Check FastIO
| ^~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Incorrect |
18 ms |
4700 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2520 KB |
Output is correct |
| 3 |
Incorrect |
0 ms |
2396 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Incorrect |
18 ms |
4700 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
