diff --git a/src/main/cpp/t01_max3.cpp b/src/main/cpp/t01_max3.cpp
index 5d09aaa2..9e8dbc65 100644
--- a/src/main/cpp/t01_max3.cpp
+++ b/src/main/cpp/t01_max3.cpp
@@ -18,5 +18,18 @@
 using namespace std;
 
 int t01_max3() {
+	int a, b, c;
+	cin >> a >> b >> c;
+	if (a > b)
+		if (a > c)
+			cout << a;
+		else
+			cout << c;
+	else
+		if (b > c)
+			cout << b;
+		else
+			cout << c;
 
+	return 0;
 };
\ No newline at end of file
diff --git a/src/main/cpp/t02_triangle.cpp b/src/main/cpp/t02_triangle.cpp
index f50c09cb..c8a4312b 100644
--- a/src/main/cpp/t02_triangle.cpp
+++ b/src/main/cpp/t02_triangle.cpp
@@ -19,5 +19,12 @@
 using namespace std;
 
 int t02_triangle() {
+	int a, b, c;
+	cin >> a >> b >> c;
+	if ((a + b > c) and (a + c > b) and (b + c > a))
+		cout << "YES";
+	else
+		cout << "NO";
 
+	return 0;
 };
\ No newline at end of file
diff --git a/src/main/cpp/t03_equal3.cpp b/src/main/cpp/t03_equal3.cpp
index c9e661de..3bd7e024 100644
--- a/src/main/cpp/t03_equal3.cpp
+++ b/src/main/cpp/t03_equal3.cpp
@@ -19,5 +19,15 @@
 using namespace std;
 
 int t03_equal3() {
+	int a, b, c;
+	cin >> a >> b >> c;
+	if ((a == c) and (b == c) and (a == b))
+		cout << 3;
+	else
+		if ((a == b) or (a == c) or (b == c))
+			cout << 2;
+		else
+			cout << 0;
 
+	return 0;
 };
\ No newline at end of file
diff --git a/src/main/cpp/t04_chess_rook.cpp b/src/main/cpp/t04_chess_rook.cpp
index fd6bb663..a4ed9f38 100644
--- a/src/main/cpp/t04_chess_rook.cpp
+++ b/src/main/cpp/t04_chess_rook.cpp
@@ -19,5 +19,12 @@
 using namespace std;
 
 int t04_chess_rook() {
+	int a, b, c, d;
+	cin >> a >> b >> c >> d;
+	if ((a == c) or (b == d))
+		cout << "YES";
+	else
+		cout << "NO";
 
+	return 0;
 };
\ No newline at end of file
diff --git a/src/main/cpp/t05_chess_king.cpp b/src/main/cpp/t05_chess_king.cpp
index e3f93bbd..b6c87539 100644
--- a/src/main/cpp/t05_chess_king.cpp
+++ b/src/main/cpp/t05_chess_king.cpp
@@ -20,5 +20,12 @@
 using namespace std;
 
 int t05_chess_king() {
+	int a, b, a1, b1;
+	cin >> a >> b >> a1 >> b1;
+	if (abs(a - a1) <= 1 and abs(b - b1) <= 1)
+		cout << "YES";
+	else
+		cout << "NO";
 
+	return 0;
 };
\ No newline at end of file
diff --git a/src/main/cpp/t06_chess_bishop.cpp b/src/main/cpp/t06_chess_bishop.cpp
index cbcc1f36..cdc867f4 100644
--- a/src/main/cpp/t06_chess_bishop.cpp
+++ b/src/main/cpp/t06_chess_bishop.cpp
@@ -20,5 +20,12 @@
 using namespace std;
 
 int t06_chess_bishop() {
+	int a1, b2, c1, d2;
+	cin >> a1 >> b2 >> c1 >> d2;
+	if (abs(a1 - c1) == abs(b2 - d2))
+		cout << "YES";
+	else
+		cout << "NO";
 
+	return 0;
 };
\ No newline at end of file
diff --git a/src/main/cpp/t07_chess_queen.cpp b/src/main/cpp/t07_chess_queen.cpp
index c43f46dc..dbb557f6 100644
--- a/src/main/cpp/t07_chess_queen.cpp
+++ b/src/main/cpp/t07_chess_queen.cpp
@@ -29,5 +29,12 @@
 using namespace std;
 
 int t07_chess_queen() {
+	int a, b, a1, b1;
+	cin >> a >> b >> a1 >> b1;
+	if ((a == a1) or (b == b1) or abs(a - a1) == abs(b - b1))
+		cout << "YES";
+	else
+		cout << "NO";
 
+	return 0;
 };
\ No newline at end of file
diff --git a/src/main/cpp/t08_chess_knight.cpp b/src/main/cpp/t08_chess_knight.cpp
index f4b85cd9..de9e06d6 100644
--- a/src/main/cpp/t08_chess_knight.cpp
+++ b/src/main/cpp/t08_chess_knight.cpp
@@ -29,5 +29,12 @@
 using namespace std;
 
 int t08_chess_knight() {
+	int a, b, a1, b1;
+	cin >> a >> b >> a1 >> b1;
+	if ((abs(a - a1) == 1 and abs(b - b1) == 2) or abs(a - a1) == 2 and abs(b - b1) == 1)
+		cout << "YES";
+	else
+		cout << "NO";
 
+	return 0;
 };
\ No newline at end of file
diff --git a/src/main/cpp/t09_choco.cpp b/src/main/cpp/t09_choco.cpp
index 33e51674..b289ec03 100644
--- a/src/main/cpp/t09_choco.cpp
+++ b/src/main/cpp/t09_choco.cpp
@@ -27,5 +27,12 @@
 using namespace std;
 
 int t09_choco() {
+	int N, M, K;
+	cin >> N >> M >> K;
+	if ((K % N == 0 || K % M == 0) and ((N*M) > K))
+		cout << "YES";
+	else
+		cout << "NO";
 
+	return 0;
 };
\ No newline at end of file
diff --git a/src/main/cpp/t10_sort3.cpp b/src/main/cpp/t10_sort3.cpp
index 7a8d2476..c39ae048 100644
--- a/src/main/cpp/t10_sort3.cpp
+++ b/src/main/cpp/t10_sort3.cpp
@@ -19,5 +19,13 @@
 using namespace std;
 
 int t10_sort3() {
+	int A, B, C;
+	cin >> A >> B >> C;
+	int x;
+	if (A > B) { x = A; A = B; B = x; }
+	if (A > C) { x = A; A = C; C = x; }
+	if (B > C) { x = B; B = C; C = x; }
 
+	cout << A << " " << B << " " << C;
+	return 0;
 };
\ No newline at end of file
diff --git a/src/main/cpp/t11_boxes.cpp b/src/main/cpp/t11_boxes.cpp
index 3671cc32..96ddaebf 100644
--- a/src/main/cpp/t11_boxes.cpp
+++ b/src/main/cpp/t11_boxes.cpp
@@ -37,5 +37,22 @@
 using namespace std;
 
 int t11_boxes() {
+	int A1, B1, C1, A2, B2, C2;
+	cin >> A1 >> B1 >> C1 >> A2 >> B2 >> C2;
+	int x;
+	if (A1 > B1) { x = A1; A1 = B1; B1 = x; }
+	if (A1 > C1) { x = A1; A1 = C1; C1 = x; }
+	if (B1 > C1) { x = B1; B1 = C1; C1 = x; }
 
+
+	if (A2 > B2) { x = A2; A2 = B2; B2 = x; }
+	if (A2 > C2) { x = A2; A2 = C2; C2 = x; }
+	if (B2 > C2) { x = B2; B2 = C2; C2 = x; }
+
+	if ((A1 == A2) && (B1 == B2) && (C1 == C2)) { cout << "Boxes are equal"; }
+		else if ((A1 <= A2) && (B1 <= B2) && (C1 <= C2)) { cout << "The first box is smaller than the second one"; }
+			else if ((A1 >= A2) && (B1 >= B2) && (C1 >= C2)) { cout << "The first box is larger than the second one"; }
+	else { cout << "Boxes are incomparable"; }
+
+	return 0;
 };
\ No newline at end of file