Pagini recente » Cod sursa (job #252781) | Cod sursa (job #3260002) | Cod sursa (job #2503401) | Cod sursa (job #1252539) | Cod sursa (job #921202)
Cod sursa(job #921202)
#include <cstring>
#include <fstream>
#include <vector>
using namespace std;
const int MAX_N = 17;
const int INF = 0x3f3f3f3f;
const int MAX_C = (1 << MAX_N) + 2;
int N, t, Nr = 1;
int Cost[MAX_N][MAX_N], A[MAX_N][2], B[MAX_C][MAX_N], Min[MAX_N], last[MAX_N][3];
vector < int > v[MAX_N];
int main()
{
ifstream f("bibel.in");
ofstream g("bibel.out");
memset(Cost, INF, sizeof(Cost));
memset(Min, INF, sizeof(Min));
while(t != 2)
{
f >> t;
if(!t)
f >> A[N][0] >> A[N][1], ++N;
else if(t == 1)
{
int Sum = INF;
for(int i = 0; i < N; ++i)
for(int j = 0; j < N; ++j)
if(i != j)
{
int t1 = A[i][0] - A[j][0], t2 = A[i][1] - A[j][1];
Cost[i][j] = Cost[j][i] = t1 * t1 + t2 * t2;
v[i].push_back(j), v[j].push_back(i);
}
for(int q = 0; q < Nr; ++q)
{
int x = last[q][0], y = last[q][1];
for(int p = 0; p < N; ++p)
{
memset(B, INF, sizeof(B));
B[(1 << p)][p] = 0;
for(int i = 1; i < (1 << N); ++i)
for(int j = 0; j < N; ++j)
if(i & (1 << j))
{
for(int k = 0; k < v[j].size(); ++k)
if(i & (1 << v[j][k]))
B[i][j] = min(B[i][j], B[i ^ (1 << j)][ v[j][k] ] + Cost[ v[j][k] ][j]);
}
int Tmp = INF;
for(int i = 0; i < N; ++i)
if(i != p)
Tmp = min(Tmp, B[(1 << N) - 1][i]);
int t1 = A[p][0] - x, t2 = A[p][1] - y;
int t = t1 * t1 + t2 * t2;
if(Tmp + last[q][2] + t < Sum)
Sum = Tmp + last[q][2] + t;
for(int i = 0; i < N; ++i)
if(i != p)
if(B[(1 << N) - 1][i] + last[q][2] + t < Min[i])
Min[i] = B[(1 << N) - 1][i] + last[q][2] + t;
}
}
memset(Cost, INF, sizeof(Cost));
Nr = N;
for(int i = 0; i < Nr; ++i)
last[i][0] = A[i][0], last[i][1] = A[i][1], last[i][2] = Min[i];
for(int i = 0; i < N; ++i)
g << Min[i] << " ";
g << '\n';
memset(Min, INF, sizeof(Min));
N = 0;
for(int i = 0; i < N; ++i)
v[i].clear();
g << Sum << '\n';
}
}
f.close();
g.close();
return 0;
}