| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 712287 | 2023-03-18T14:07:19 Z | mars4 | Toll (BOI17_toll) | C++17 | 254 ms | 13852 KB |
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define ff first
#define ss second
#define ll int64_t
#define ld long double
#define nl cout<<"\n"
#define i128 __int128_t
#define all(v) v.begin(),v.end()
#define mset(a,v) memset((a),(v),sizeof(a))
#define forn(i,a,b) for(int64_t i=int64_t(a);i<int64_t(b);++i)
#define forb(i,a,b) for(int64_t i=int64_t(a);i>=int64_t(b);--i)
#define fastio() ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define mod 1'000'000'007
#define mod2 998'244'353
#define inf 1'000'000'000'000'007
#define pi 3.14159265358979323846
template<class key,class cmp=std::less<key>>
using ordered_set=tree<key,null_type,cmp,rb_tree_tag,tree_order_statistics_node_update>;
template<class L,class R> ostream& operator<<(ostream& out,pair<L,R> &p) {return out<<"("<<p.ff<<", "<<p.ss<<")";}
template<class T> ostream& operator<<(ostream& out,vector<T> &v) {out<<"[";for(auto it=v.begin();it!=v.end();++it){if(it!=v.begin())out<<", ";out<<*it;}return out<<"]";}
template<class T> ostream& operator<<(ostream& out,deque<T> &v) {out<<"[";for(auto it=v.begin();it!=v.end();++it){if(it!=v.begin())out<<", ";out<<*it;}return out<<"]";}
template<class T> ostream& operator<<(ostream& out,set<T> &s) {out<<"{";for(auto it=s.begin();it!=s.end();++it){if(it!=s.begin())out<<", ";out<<*it;}return out<<"}";}
template<class T> ostream& operator<<(ostream& out,ordered_set<T> &s) {out<<"{";for(auto it=s.begin();it!=s.end();++it){if(it!=s.begin())out<<", ";out<<*it;}return out<<"}";}
template<class L,class R> ostream& operator<<(ostream& out,map<L,R> &m) {out<<"{";for(auto it=m.begin();it!=m.end();++it){if(it!=m.begin())out<<", ";out<<*it;}return out<<"}";}
void dbg_out() {cerr<<"]\n";}
template<typename Head,typename... Tail>
void dbg_out(Head H,Tail... T) {cerr<<H;if(sizeof...(Tail))cerr<<", ";dbg_out(T...);}
#ifdef LOCAL
#define dbg(...) cerr<<"["<<#__VA_ARGS__<<"] = [",dbg_out(__VA_ARGS__)
#else
#define dbg(...)
#endif
//---------------------------------mars4---------------------------------
vector<vector<vector<ll>>> a;
vector<vector<vector<ll>>> lft;
vector<vector<vector<ll>>> rht;
vector<pair<ll,ll>> query;
vector<ll> ans;
ll K;
vector<vector<ll>> combine(vector<vector<ll>> a,vector<vector<ll>> b)
{
vector<vector<ll>> res(K,vector<ll>(K,inf));
forn(i,0,K)
{
forn(j,0,K)
{
forn(k,0,K)
{
res[i][k]=min(res[i][k],a[i][j]+b[j][k]);
}
}
}
return res;
}
void calc(ll st,ll ed,vector<ll> ind)
{
if(st==ed or ind.empty())
{
return;
}
if(ed==st+1)
{
for(ll i:ind)
{
ans[i]=a[st][query[i].ff%K][query[i].ss%K];
}
return;
}
ll mid=(st+ed)>>1;
lft[mid]=a[mid];
rht[mid+1]=a[mid+1];
forb(i,mid-1,st)
{
lft[i]=combine(a[i],lft[i+1]);
}
forn(i,mid+2,ed)
{
rht[i]=combine(rht[i-1],a[i]);
}
vector<vector<ll>> nind(2);
for(ll i:ind)
{
auto [L,R]=query[i];
ll l=L/K;
ll r=R/K;
if(l<=mid and r>mid+1)
{
ans[i]=combine(lft[l],rht[r-1])[L%K][R%K];
}
else if(l<=mid and r==mid+1)
{
ans[i]=lft[l][L%K][R%K];
}
else
{
nind[l>mid].push_back(i);
}
}
calc(st,mid,nind[0]);
calc(mid+1,ed,nind[1]);
}
int main()
{
fastio();
ll z,n,m,t,k,i,j,l,d,h,r;
ll q;
cin>>K>>n>>m>>q;
ll N=(n+K-1)/K;
a=vector<vector<vector<ll>>>(N,vector<vector<ll>>(K,vector<ll>(K,inf)));
lft=vector<vector<vector<ll>>>(N,vector<vector<ll>>(K,vector<ll>(K,inf)));
rht=vector<vector<vector<ll>>>(N,vector<vector<ll>>(K,vector<ll>(K,inf)));
query=vector<pair<ll,ll>>(q);
ans=vector<ll>(q,inf);
forn(i,0,m)
{
cin>>l>>r>>d;
a[l/K][l%K][r%K]=d;
}
for(auto &[l,r]:query)
{
cin>>l>>r;
}
vector<ll> ind(q);
iota(all(ind),(ll)0);
calc(0,N-1,ind);
for(ll i:ans)
{
if(i==inf)
{
cout<<"-1\n";
}
else
{
cout<<i<<"\n";
}
}
cerr<<"\nTime elapsed: "<<1000*clock()/CLOCKS_PER_SEC<<"ms\n";
return 0;
}
Compilation message
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 141 ms | 13852 KB | Output is correct |
| 2 | Correct | 0 ms | 212 KB | Output is correct |
| 3 | Correct | 0 ms | 212 KB | Output is correct |
| 4 | Correct | 1 ms | 212 KB | Output is correct |
| 5 | Correct | 2 ms | 596 KB | Output is correct |
| 6 | Correct | 2 ms | 596 KB | Output is correct |
| 7 | Correct | 2 ms | 596 KB | Output is correct |
| 8 | Correct | 254 ms | 13688 KB | Output is correct |
| 9 | Correct | 94 ms | 13760 KB | Output is correct |
| 10 | Correct | 76 ms | 13752 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 62 ms | 12092 KB | Output is correct |
| 2 | Correct | 1 ms | 212 KB | Output is correct |
| 3 | Incorrect | 0 ms | 212 KB | Output isn't correct |
| 4 | Halted | 0 ms | 0 KB | - |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 212 KB | Output is correct |
| 2 | Incorrect | 1 ms | 212 KB | Output isn't correct |
| 3 | Halted | 0 ms | 0 KB | - |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 212 KB | Output is correct |
| 2 | Incorrect | 1 ms | 212 KB | Output isn't correct |
| 3 | Halted | 0 ms | 0 KB | - |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 141 ms | 13852 KB | Output is correct |
| 2 | Correct | 0 ms | 212 KB | Output is correct |
| 3 | Correct | 0 ms | 212 KB | Output is correct |
| 4 | Correct | 1 ms | 212 KB | Output is correct |
| 5 | Correct | 2 ms | 596 KB | Output is correct |
| 6 | Correct | 2 ms | 596 KB | Output is correct |
| 7 | Correct | 2 ms | 596 KB | Output is correct |
| 8 | Correct | 254 ms | 13688 KB | Output is correct |
| 9 | Correct | 94 ms | 13760 KB | Output is correct |
| 10 | Correct | 76 ms | 13752 KB | Output is correct |
| 11 | Correct | 62 ms | 12092 KB | Output is correct |
| 12 | Correct | 1 ms | 212 KB | Output is correct |
| 13 | Incorrect | 0 ms | 212 KB | Output isn't correct |
| 14 | Halted | 0 ms | 0 KB | - |