diff --git a/src/vector.c b/src/vector.c
index cc46439..9f770c5 100644
--- a/src/vector.c
+++ b/src/vector.c
@@ -17,10 +17,10 @@ double diff_norm_vector(double *vector1, double *vector2, int size) {
 
 void generate_f(const SparseMatrix *matrix, double *res) {
     int N = matrix->num_nodes;
-    init_vector(res, N, 0);
+    init_vector(res, N, 1);
     int num_arcs = matrix->num_arcs;
     for (int i = 0; i < num_arcs; ++i) {
-        res[matrix->arcs[i].dest] = 1;
+        res[matrix->arcs[i].dest] = 0;
     }
 }