Submission #4491

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
4491	2013-10-12 02:43:41	jays	Following Flow (kriii1_F)	C++98	0 / 1	0 ms	1672 KiB

F

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#include <cmath>
#include <cstdio>
#include <iostream>
#include <vector>
 
using namespace std;
const double EPS = 1e-9;
int N, M;
vector<int> adj[32], weight[32];
double solve(double* out) {
  double A[32][32] = {0.0, }, B[32] = {0,0, };
  for (int u = 0; u <= N; ++u) {
    A[u][u] = 1.0;
    for (int i = 0; i < adj[u].size(); ++i) {
      int v = adj[u][i];
      int w = weight[u][i];
      A[u][v] = -1.0/out[u];
      B[u] += 1.0*w/out[u];
    }
  }
  // Gauss Elimination
  for (int i = 0; i <= N; ++i) {
    // Find Max Coefficient Row
    double mx = 0.0;
    int index = -1;
    for (int j = i; j <= N; ++j) {
      if (abs(A[j][i] > mx)) {
 
 
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