local

Author: mostafa-saad

18-Programming-4kids/09_5.cpp

@@ -0,0 +1,26 @@
+#include<iostream>
+using namespace std;
+
+int main() {
+	int N, T, value;
+
+	cin >> T;
+
+	while (T--) {
+		cin >> N;
+
+		int sum = 0;
+		for (int i = 0; i < N; ++i) {
+			cin >> value;
+
+			int result = 1;
+			for (int j = 0; j < i + 1; ++j)
+				result *= value;
+			sum += result;
+		}
+		cout << sum << "\n";
+	}
+
+	return 0;
+}
+

18-Programming-4kids/09_6_A.cpp

@@ -0,0 +1,21 @@
+#include<iostream>
+using namespace std;
+
+int main() {
+	int n, m, sum;
+
+	cin >> n >> m >> sum;
+
+	int cnt = 0;
+
+	for (int i = 1; i <= n; ++i)
+		for (int j = 1; j <= m; ++j)
+			if (i + j == sum)
+				cnt++;
+
+
+	cout << cnt << "\n";
+
+	return 0;
+}
+

18-Programming-4kids/09_6_B.cpp

@@ -0,0 +1,24 @@
+#include<iostream>
+using namespace std;
+
+int main() {
+	int n, m, sum;
+
+	cin >> n >> m >> sum;
+
+	int cnt = 0;
+
+	for (int i = 1; i <= n; ++i)
+	{
+		int j =  sum - i;	// i + j == sum
+
+		if (1 <= j && j <= m)
+			cnt++;
+
+	}
+
+	cout << cnt << "\n";
+
+	return 0;
+}
+

18-Programming-4kids/09_7_A.cpp

@@ -0,0 +1,21 @@
+#include<iostream>
+using namespace std;
+
+int main() {
+	int n, m, w;
+
+	cin >> n >> m >> w;
+
+	int cnt = 0;
+
+	for (int i = 1; i <= n; ++i)
+		for (int j = i; j <= m; ++j)
+			for (int k = 1; k <= w; ++k)
+				if (i + j <= k)
+					cnt++;
+
+	cout << cnt << "\n";
+
+	return 0;
+}
+

18-Programming-4kids/09_7_B.cpp

@@ -0,0 +1,23 @@
+#include<iostream>
+using namespace std;
+
+int main() {
+	int n, m, w;
+
+	cin >> n >> m >> w;
+
+	int cnt = 0;
+
+	for (int i = 1; i <= n; ++i)
+		for (int j = 1; j <= m; ++j) {
+			int k = i + j;
+
+			if (1 <= k && k <= w)
+				cnt += w - k + 1;
+	}
+
+cout << cnt << "\n";
+
+return 0;
+}
+

18-Programming-4kids/09_8_ِA.cpp

@@ -0,0 +1,21 @@
+#include<iostream>
+using namespace std;
+
+int main() {
+	int n = 10;
+
+	int a = 0, b = 1;
+
+	cout<<a<<" "<<b<<" ";
+
+	for (int a = 0, b = 1, cnt = 2; cnt < n; ++cnt) {
+		int c = a+b;
+		a = b;
+		b = c;
+
+		cout<<c<<" ";
+	}
+
+	return 0;
+}
+

18-Programming-4kids/09_8_ِB.cpp

@@ -0,0 +1,13 @@
+#include<iostream>
+using namespace std;
+
+int main() {
+	int n = 10;
+
+	for (int a = 0, b = 1, c = -1, cnt = 0; cnt < n;
+			++cnt, c = a + b, a = b, b = c)
+		cout << a << " ";
+
+	return 0;
+}
+

18-Programming-4kids/09_homework_01_answer.cpp

@@ -0,0 +1,21 @@
+#include<iostream>
+using namespace std;
+
+int main() {
+	int n;
+
+	cin>>n;
+
+	for (int i = 0; i < n; ++i) {
+		for (int j = 0; j < n; ++j) {
+			if(i == j || n-i-1 == j)
+				cout<<"*";
+			else
+				cout<<" ";
+		}
+		cout<<"\n";
+	}
+
+	return 0;
+}
+