Pagini recente » Cod sursa (job #1224367) | Cod sursa (job #1221716) | Cod sursa (job #1065316) | Cod sursa (job #1099937) | Cod sursa (job #2573409)
#include <bits/stdc++.h>
#define DIM 310
#define inf INT_MAX
using namespace std;
ifstream fin("cmcm.in");
ofstream fout("cmcm.out");
int l,r,m,s,d,i,j,x,y,z,nod,vecin,fluxmin,costsol,fluxsol;
int cap[DIM][DIM],t[DIM],dist[DIM],c[DIM][DIM],flux[DIM][DIM],muchie[DIM][DIM];
bitset<DIM> f;
vector<int> L[DIM];
deque<int> q;
bool bf() {
f.reset();
for (int i=1;i<=d;i++)
dist[i]=inf;
q.clear();
dist[s]=0, f[s]=1;
q.push_back(s);
while (!q.empty()) {
nod=q.front();
q.pop_front();
f[nod]=0;
for (auto vecin:L[nod]) {
if (dist[vecin]>dist[nod]+c[nod][vecin]&&cap[nod][vecin]>flux[nod][vecin]) {
dist[vecin]=dist[nod]+c[nod][vecin];
t[vecin]=nod;
if (f[vecin]==0) {
q.push_back(vecin);
f[vecin]=1;
}
}
}
}
if (dist[d]!=inf)
return true;
else
return false;
}
int main() {
fin>>l>>r>>m;
s=0, d=l+r+1;
for (i=1;i<=m;i++) {
fin>>x>>y>>z;
L[x].push_back(l+y);
L[l+y].push_back(x);
c[x][l+y]=z;
c[l+y][x]=-z;
cap[x][l+y]=1;
muchie[x][l+y]=i;
}
for (i=1;i<=l;i++) {
L[s].push_back(i);
L[i].push_back(s);
cap[s][i]=1;
}
for (i=1;i<=r;i++) {
L[d].push_back(l+i);
L[l+i].push_back(d);
cap[l+i][d]=1;
}
while (bf()) {
nod=d;
fluxmin=inf;
while (nod!=s) {
fluxmin=min(fluxmin,cap[t[nod]][nod]-flux[t[nod]][nod]);
nod=t[nod];
}
nod=d;
while (nod!=s) {
flux[t[nod]][nod]+=fluxmin;
flux[nod][t[nod]]-=fluxmin;
nod=t[nod];
}
costsol+=fluxmin*dist[d];
fluxsol+=fluxmin;
}
fout<<fluxsol<<" "<<costsol<<"\n";
for (i=1;i<=l;i++)
for (j=l+1;j<=l+r;j++)
if (flux[i][j]==1)
fout<<muchie[i][j]<<" ";
return 0;
}