Submission #321554

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
321554	2020-11-12T18:16:24 Z	YJU	Olympic Bus (JOI20_ho_t4)	C++14	Compilation error	0 ms	0 KB

ho_t4

#include<bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
const ll MOD=1e9+7;
const ll MOD2=998244353;
const ll N=2e2+5;
const ll M=5e5+5;
const ld pi=3.14159265359;
const ll INF=(1LL<<59);
#define SQ(i) ((i)*(i))
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(_a) (ll)_a.size()

pll ed[M];
ll n,m,c[M],d[M],from[N];
vector<pll> v[N],rv[N];
ll dist[2][2][N],x,y,dis[2][2][N];

priority_queue<pll,vector<pll> ,greater<pll> > pq;

void dij(ll start,ll D[][],ll id){
	REP(i,2)REP1(j,n)D[i][j]=INF;
	pq.push(mp(D[0][1]=0,start));
	while(SZ(pq)){
		x=pq.top().Y;y=pq.top().X;pq.pop();
		if(y>D[0][x])continue;
		for(pll i:v[x]){
			if(i.Y==id)continue;
			if(D[0][i.X]>D[0][x]+c[i.Y]){
				pq.push(mp(D[0][i.X]=D[0][x]+c[i.Y],i.X));
			}
		}
	}
	pq.push(mp(D[1][n]=0,n+1-start));
	while(SZ(pq)){
		x=pq.top().Y;y=pq.top().X;pq.pop();
		if(y>D[1][x])continue;
		for(pll i:rv[x]){
			if(i.Y==id)continue;
			if(D[1][i.X]>D[1][x]+c[i.Y]){
				pq.push(mp(D[1][i.X]=D[1][x]+c[i.Y],i.X));
			}
		}
	}
}

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	cin>>n>>m;
	REP1(i,m){
		cin>>ed[i].X>>ed[i].Y>>c[i]>>d[i];
		v[ed[i].X].pb(mp(ed[i].Y,i));
		rv[ed[i].Y].pb(mp(ed[i].X,i));
	}
	
	dij(1,dis[0],0);
	dij(n,dis[1],0);
	
	ans=dis[0][0][n]+dis[1][0][1];
	
	REP1(i,m){
		if(from[ed[i].Y]==i){
			dij(1,dist[0],i);
			dij(n,dist[1],i);
			ans=min(ans,d[i]+min(dist[0][0][n],dist[0][0][ed[i].Y]+c[i]+dist[0][1][ed[i].X])+min(dist[1][0][1],dist[1][0][ed[i].Y]+c[i]+dist[1][1][ed[i].X]));
		}else{
			ans=min(ans,d[i]+min(dis[0][0][n],dis[0][0][ed[i].Y]+c[i]+dis[0][1][ed[i].X])+min(dis[1][0][1],dis[1][0][ed[i].Y]+c[i]+dis[1][1][ed[i].X]));
		}
	}
	cout<<(ans>=INF?-1:ans)<<"\n";
	return 0;
}

Compilation message

ho_t4.cpp:31:22: error: declaration of 'D' as multidimensional array must have bounds for all dimensions except the first
   31 | void dij(ll start,ll D[][],ll id){
      |                      ^
ho_t4.cpp:31:27: error: expected ')' before ',' token
   31 | void dij(ll start,ll D[][],ll id){
      |         ~                 ^
      |                           )
ho_t4.cpp:31:31: error: expected initializer before 'id'
   31 | void dij(ll start,ll D[][],ll id){
      |                               ^~
ho_t4.cpp: In function 'int main()':
ho_t4.cpp:69:2: error: 'ans' was not declared in this scope; did you mean 'abs'?
   69 |  ans=dis[0][0][n]+dis[1][0][1];
      |  ^~~
      |  abs