diff --git a/2025.05.02/01Ex/main.c b/2025.05.02/01Ex/main.c
index c3d3828..1229afd 100644
--- a/2025.05.02/01Ex/main.c
+++ b/2025.05.02/01Ex/main.c
@@ -21,6 +21,7 @@ int main(int argc, char *argv[])
 			!((argc == 6) && 
 			sscanf(argv[1], "%lf", &a) == 1 &&
 			sscanf(argv[2], "%lf", &b) == 1 &&
+			(a <= b) &&
 			sscanf(argv[3], "%lf", &eps) == 1 &&
 			((sscanf(argv[4], "%d", &m) == 1) && m > 0) &&
 			((sscanf(argv[5], "%d", &k) == 1) && ((0 <= k) && (k <= len_f))))
diff --git a/2025.05.02/01Ex/solve.c b/2025.05.02/01Ex/solve.c
index cf441ea..abcbddb 100644
--- a/2025.05.02/01Ex/solve.c
+++ b/2025.05.02/01Ex/solve.c
@@ -23,6 +23,16 @@ status t1_solve (
 	memcpy(&bits, &y_b, sizeof(bits));
 	sgn_b = (bits >> 63) & 1;
 
+	if (fabs(y_a) - eps < DBL_EPSILON)
+	{
+		*x = a;
+		return SUCCESS;
+	} if (fabs(y_b) - eps < DBL_EPSILON)
+	{
+		*x = b;
+		return SUCCESS;
+	}
+
 	if (sgn_a == sgn_b)
 	{
 		*x = DBL_MAX;