| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 500578 | 2021-12-31T12:40:25 Z | mars4 | Toll (BOI17_toll) | C++17 | 145 ms | 16752 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 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 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<tuple<ll,ll,ll>> edges;
vector<pair<ll,ll>> queries;
vector<vector<ll>> dist;
vector<ll> ans;
ll K;
void calc(ll l,ll r,vector<ll> ei,vector<ll> qi)
{
if(l>=r)
{
return;
}
ll mid=(l+r)/2;
forn(i,l*K,(r+1)*K)
{
forn(j,0,K)
{
dist[j][i]=inf;
}
}
vector<ll> elft,erht,emid;
vector<ll> qlft,qrht,qmid;
vector<vector<ll>> mm(K,vector<ll>(K,inf));
for(ll i:ei)
{
auto [a,b,w]=edges[i];
if(b/K<=mid)
{
elft.push_back(i);
}
else if(a/K>mid)
{
erht.push_back(i);
}
else
{
emid.push_back(i);
mm[a%K][b%K]=w;
}
}
for(ll i:qi)
{
auto [a,b]=queries[i];
if(b/K<=mid)
{
qlft.push_back(i);
}
else if(a/K>mid)
{
qrht.push_back(i);
}
else
{
qmid.push_back(i);
}
}
forn(i,(mid+1)*K,(mid+2)*K)
{
dist[i%K][i]=0;
}
for(ll i:erht)
{
auto [a,b,w]=edges[i];
forn(j,0,K)
{
dist[j][b]=min(dist[j][b],dist[j][a]+w);
}
}
vector<ll> rev=elft;
reverse(all(rev));
forn(i,mid*K,(mid+1)*K)
{
dist[i%K][i]=0;
}
for(ll i:rev)
{
auto [a,b,w]=edges[i];
forn(j,0,K)
{
dist[j][a]=min(dist[j][a],dist[j][b]+w);
}
}
for(ll i:qmid)
{
auto [a,b]=queries[i];
if(a/K!=mid and b/K!=mid+1)
{
forn(j,0,K)
{
forn(k,0,K)
{
ans[i]=min(ans[i],dist[j][a]+mm[j][k]+dist[k][b]);
}
}
}
if(a/K==mid and b/K!=mid+1)
{
forn(k,0,K)
{
ans[i]=min(ans[i],mm[a%K][k]+dist[k][b]);
}
}
if(a/K!=mid and b/K==mid+1)
{
forn(j,0,K)
{
ans[i]=min(ans[i],dist[j][a]+mm[j][b%K]);
}
}
if(a/K==mid and b/K==mid+1)
{
ans[i]=min(ans[i],mm[a%K][b%K]);
}
}
calc(l,mid,elft,qlft);
calc(mid+1,r,erht,qrht);
}
int main()
{
fastio();
ll z,n,m,t,k,i,j,l,d,h,r;
ll q;
cin>>K>>n>>m>>q;
edges=vector<tuple<ll,ll,ll>>(m);
queries=vector<pair<ll,ll>>(q);
ans=vector<ll>(q,inf);
dist=vector<vector<ll>>(K,vector<ll>(n+2*K,inf));
for(auto &[l,r,w]:edges)
{
cin>>l>>r>>w;
}
for(auto &[l,r]:queries)
{
cin>>l>>r;
}
sort(all(edges));
vector<ll> ei(m);
vector<ll> qi(q);
iota(all(ei),0ll);
iota(all(qi),0ll);
calc(0,(n+K-1)/K,ei,qi);
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
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 45 ms | 4884 KB | Output is correct |
| 2 | Correct | 1 ms | 204 KB | Output is correct |
| 3 | Correct | 0 ms | 204 KB | Output is correct |
| 4 | Correct | 0 ms | 204 KB | Output is correct |
| 5 | Correct | 1 ms | 460 KB | Output is correct |
| 6 | Correct | 1 ms | 460 KB | Output is correct |
| 7 | Correct | 1 ms | 460 KB | Output is correct |
| 8 | Correct | 44 ms | 4936 KB | Output is correct |
| 9 | Correct | 43 ms | 4796 KB | Output is correct |
| 10 | Correct | 11 ms | 1228 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 72 ms | 8728 KB | Output is correct |
| 2 | Correct | 0 ms | 204 KB | Output is correct |
| 3 | Correct | 0 ms | 204 KB | Output is correct |
| 4 | Correct | 0 ms | 204 KB | Output is correct |
| 5 | Correct | 0 ms | 204 KB | Output is correct |
| 6 | Correct | 0 ms | 204 KB | Output is correct |
| 7 | Correct | 3 ms | 1100 KB | Output is correct |
| 8 | Correct | 3 ms | 1228 KB | Output is correct |
| 9 | Correct | 45 ms | 5024 KB | Output is correct |
| 10 | Correct | 100 ms | 11940 KB | Output is correct |
| 11 | Correct | 74 ms | 8940 KB | Output is correct |
| 12 | Correct | 62 ms | 7660 KB | Output is correct |
| 13 | Correct | 110 ms | 12560 KB | Output is correct |
| 14 | Correct | 69 ms | 7696 KB | Output is correct |
| 15 | Correct | 58 ms | 7124 KB | Output is correct |
| 16 | Correct | 58 ms | 7168 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 204 KB | Output is correct |
| 2 | Correct | 0 ms | 204 KB | Output is correct |
| 3 | Correct | 0 ms | 204 KB | Output is correct |
| 4 | Correct | 0 ms | 204 KB | Output is correct |
| 5 | Correct | 0 ms | 204 KB | Output is correct |
| 6 | Correct | 1 ms | 332 KB | Output is correct |
| 7 | Correct | 1 ms | 460 KB | Output is correct |
| 8 | Correct | 3 ms | 716 KB | Output is correct |
| 9 | Correct | 2 ms | 588 KB | Output is correct |
| 10 | Correct | 43 ms | 4196 KB | Output is correct |
| 11 | Correct | 72 ms | 7988 KB | Output is correct |
| 12 | Correct | 98 ms | 11420 KB | Output is correct |
| 13 | Correct | 115 ms | 12368 KB | Output is correct |
| 14 | Correct | 83 ms | 9524 KB | Output is correct |
| 15 | Correct | 58 ms | 7068 KB | Output is correct |
| 16 | Correct | 58 ms | 6940 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 204 KB | Output is correct |
| 2 | Correct | 0 ms | 204 KB | Output is correct |
| 3 | Correct | 0 ms | 204 KB | Output is correct |
| 4 | Correct | 0 ms | 204 KB | Output is correct |
| 5 | Correct | 0 ms | 204 KB | Output is correct |
| 6 | Correct | 1 ms | 332 KB | Output is correct |
| 7 | Correct | 1 ms | 460 KB | Output is correct |
| 8 | Correct | 3 ms | 716 KB | Output is correct |
| 9 | Correct | 2 ms | 588 KB | Output is correct |
| 10 | Correct | 43 ms | 4196 KB | Output is correct |
| 11 | Correct | 72 ms | 7988 KB | Output is correct |
| 12 | Correct | 98 ms | 11420 KB | Output is correct |
| 13 | Correct | 115 ms | 12368 KB | Output is correct |
| 14 | Correct | 83 ms | 9524 KB | Output is correct |
| 15 | Correct | 58 ms | 7068 KB | Output is correct |
| 16 | Correct | 58 ms | 6940 KB | Output is correct |
| 17 | Correct | 71 ms | 8188 KB | Output is correct |
| 18 | Correct | 0 ms | 204 KB | Output is correct |
| 19 | Correct | 0 ms | 204 KB | Output is correct |
| 20 | Correct | 0 ms | 204 KB | Output is correct |
| 21 | Correct | 0 ms | 204 KB | Output is correct |
| 22 | Correct | 0 ms | 204 KB | Output is correct |
| 23 | Correct | 2 ms | 588 KB | Output is correct |
| 24 | Correct | 2 ms | 588 KB | Output is correct |
| 25 | Correct | 3 ms | 844 KB | Output is correct |
| 26 | Correct | 3 ms | 716 KB | Output is correct |
| 27 | Correct | 43 ms | 4460 KB | Output is correct |
| 28 | Correct | 101 ms | 11512 KB | Output is correct |
| 29 | Correct | 108 ms | 12360 KB | Output is correct |
| 30 | Correct | 86 ms | 9780 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 45 ms | 4884 KB | Output is correct |
| 2 | Correct | 1 ms | 204 KB | Output is correct |
| 3 | Correct | 0 ms | 204 KB | Output is correct |
| 4 | Correct | 0 ms | 204 KB | Output is correct |
| 5 | Correct | 1 ms | 460 KB | Output is correct |
| 6 | Correct | 1 ms | 460 KB | Output is correct |
| 7 | Correct | 1 ms | 460 KB | Output is correct |
| 8 | Correct | 44 ms | 4936 KB | Output is correct |
| 9 | Correct | 43 ms | 4796 KB | Output is correct |
| 10 | Correct | 11 ms | 1228 KB | Output is correct |
| 11 | Correct | 72 ms | 8728 KB | Output is correct |
| 12 | Correct | 0 ms | 204 KB | Output is correct |
| 13 | Correct | 0 ms | 204 KB | Output is correct |
| 14 | Correct | 0 ms | 204 KB | Output is correct |
| 15 | Correct | 0 ms | 204 KB | Output is correct |
| 16 | Correct | 0 ms | 204 KB | Output is correct |
| 17 | Correct | 3 ms | 1100 KB | Output is correct |
| 18 | Correct | 3 ms | 1228 KB | Output is correct |
| 19 | Correct | 45 ms | 5024 KB | Output is correct |
| 20 | Correct | 100 ms | 11940 KB | Output is correct |
| 21 | Correct | 74 ms | 8940 KB | Output is correct |
| 22 | Correct | 62 ms | 7660 KB | Output is correct |
| 23 | Correct | 110 ms | 12560 KB | Output is correct |
| 24 | Correct | 69 ms | 7696 KB | Output is correct |
| 25 | Correct | 58 ms | 7124 KB | Output is correct |
| 26 | Correct | 58 ms | 7168 KB | Output is correct |
| 27 | Correct | 0 ms | 204 KB | Output is correct |
| 28 | Correct | 0 ms | 204 KB | Output is correct |
| 29 | Correct | 0 ms | 204 KB | Output is correct |
| 30 | Correct | 0 ms | 204 KB | Output is correct |
| 31 | Correct | 0 ms | 204 KB | Output is correct |
| 32 | Correct | 1 ms | 332 KB | Output is correct |
| 33 | Correct | 1 ms | 460 KB | Output is correct |
| 34 | Correct | 3 ms | 716 KB | Output is correct |
| 35 | Correct | 2 ms | 588 KB | Output is correct |
| 36 | Correct | 43 ms | 4196 KB | Output is correct |
| 37 | Correct | 72 ms | 7988 KB | Output is correct |
| 38 | Correct | 98 ms | 11420 KB | Output is correct |
| 39 | Correct | 115 ms | 12368 KB | Output is correct |
| 40 | Correct | 83 ms | 9524 KB | Output is correct |
| 41 | Correct | 58 ms | 7068 KB | Output is correct |
| 42 | Correct | 58 ms | 6940 KB | Output is correct |
| 43 | Correct | 71 ms | 8188 KB | Output is correct |
| 44 | Correct | 0 ms | 204 KB | Output is correct |
| 45 | Correct | 0 ms | 204 KB | Output is correct |
| 46 | Correct | 0 ms | 204 KB | Output is correct |
| 47 | Correct | 0 ms | 204 KB | Output is correct |
| 48 | Correct | 0 ms | 204 KB | Output is correct |
| 49 | Correct | 2 ms | 588 KB | Output is correct |
| 50 | Correct | 2 ms | 588 KB | Output is correct |
| 51 | Correct | 3 ms | 844 KB | Output is correct |
| 52 | Correct | 3 ms | 716 KB | Output is correct |
| 53 | Correct | 43 ms | 4460 KB | Output is correct |
| 54 | Correct | 101 ms | 11512 KB | Output is correct |
| 55 | Correct | 108 ms | 12360 KB | Output is correct |
| 56 | Correct | 86 ms | 9780 KB | Output is correct |
| 57 | Correct | 145 ms | 16752 KB | Output is correct |
| 58 | Correct | 47 ms | 4896 KB | Output is correct |
| 59 | Correct | 74 ms | 8944 KB | Output is correct |