#include using namespace std; typedef long long ll; #define i_7 (ll)(1E9+7) #define i_5 (ll)(1E9+5) ll mod(ll a){ ll c=a%i_7; if(c>=0)return c; else return c+i_7; } typedef pair i_i; typedef pair l_l; //ll inf=(ll)1E12; #define rep(i,l,r) for(ll i=l;i<=r;i++) #define pb push_back ll max(ll a,ll b){if(ab)return b;else return a;} void Max(ll * pos,ll val){*pos=max(*pos,val);}//Max(&dp[i][j],dp[i-1][j]); void Min(ll * pos,ll val){*pos=min(*pos,val);} void Add(ll * pos,ll val){*pos=mod(*pos+val);} const long double EPS=1E-8; //////////////////////////////////////// const long long inf = 1LL << 55; #define MAX_V 2010//調節!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! //辺を表す構造体{行き先、容量、逆辺} struct edge{int to;ll cap;int rev;}; vector G[2009]; bool used[2009];//dfsですでに調べたかのフラグ //fromからtoへの流量capの辺をグラフに追加 void add_edge(int from,int to,ll cap){ G[from].push_back((edge){to,cap,(int)G[to].size()}); G[to].push_back((edge){from,0LL,(int)G[from].size()-1}); } //増加パスをdfsで探す ll dfs(int v,int t,ll f){ if(v==t)return f; used[v]=true; for(edge &e:G[v]){ if(!used[e.to]&&e.cap>0){ ll d=dfs(e.to,t,min(f,e.cap)); if(d>0){ e.cap-=d; G[e.to][e.rev].cap+=d; return d; } } } return 0; } ll max_flow(int s,int t){ ll flow=0; while(1){ memset(used,0,sizeof(used)); ll f=dfs(s,t,inf); if(f==0)return flow; flow+=f; } } /////////////////////////////////////// int main(){ int n,m,d;cin>>n>>m>>d; int u[MAX_V],v[MAX_V],p[MAX_V],q[MAX_V],w[MAX_V]; vectort[MAX_V]; int ps[MAX_V]; rep(i,0,m-1){ cin>>u[i]>>v[i]>>p[i]>>q[i]>>w[i]; u[i]--;v[i]--; q[i]+=d; t[u[i]].pb(p[i]); t[v[i]].pb(q[i]); } /*rep(i,0,n-1){ sort(t[i].begin(),t[i].end()); t[i].erase(unique(t[i].begin(),t[i].end()),t[i].end()); ps[i+1]=ps[i]+t[i].size(); } rep(i,0,n-1){ int ca=t[i].size(); if(ca<=1)continue; rep(j,0,ca-2){ add_edge(ps[i]+j,ps[i]+j+1,inf); } } */ rep(i,0,n-1){ sort(t[i].begin(),t[i].end()); t[i].erase(unique(t[i].begin(),t[i].end()),t[i].end()); ps[i+1]=ps[i]+t[i].size(); } rep(i,0,n-1){ int ca=t[i].size(); if(ca<=1)continue; rep(j,0,ca-2){ add_edge(ps[i]+j,ps[i]+j+1,inf); } } rep(i,0,m-1){ int paa=ps[u[i]]+lower_bound(t[u[i]].begin(),t[u[i]].end(),p[i])-t[u[i]].begin(); int pbb=ps[v[i]]+lower_bound(t[v[i]].begin(),t[v[i]].end(),q[i])-t[v[i]].begin(); add_edge(paa,pbb,w[i]); } int V=ps[n]; ll ans=max_flow(0,V-1); cout<