Добавить elem2.cpp

elem2.cpp

@@ -0,0 +1,61 @@
+#include <iostream>
+
+#define N 3 
+#define M 4 
+
+using namespace std;
+
+
+int main() {
+    setlocale(0, "");
+    srand(time(0));
+
+    int arr[N][M]{ 0 };
+    int i;
+    int j;
+
+    int sum_r[N]{ 0 };
+    int sum_c[M]{ 0 };
+    int sum_all = 0;
+
+
+    for (i = 0; i < N; ++i) {
+        for (j = 0; j < M; ++j) {
+            arr[i][j] = rand() % 55 + 2;
+        }
+    }
+
+    cout << "Показати масив (рядки):\n";
+    for (i = 0; i < N; ++i) {
+        for (j = 0; j < M; ++j) {
+            sum_r[i] += arr[i][j];
+            cout.width(4);
+            cout << arr[i][j];
+        }
+        cout << " | " << sum_r[i] << endl;
+    }
+
+    for (i = 0; i < M + 2; ++i) {
+        cout << "----";
+    }
+    cout << endl;
+
+    for (j = 0; j < M; ++j) {
+        for (i = 0; i < N; ++i) {
+            sum_c[j] += arr[i][j];
+        }
+    }
+
+    for (i = 0; i < N; ++i) {
+        sum_all += sum_r[i];
+    }
+
+    for (j = 0; j < M; ++j) {
+        cout.width(4);
+        cout << sum_c[j];
+    }
+    cout << " | " << sum_all << endl;
+
+    system("pause");
+    return 0;
+}