Create main.cpp

Author: JawadSher

07 - Other Concepts/04 - Operator Overloading/main.cpp

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+#include <cmath>
+#include <cstdio>
+#include <vector>
+#include <iostream>
+#include <algorithm>
+using namespace std;
+
+// Fix the member variable references
+#define a matrix
+
+class Matrix {
+public:
+    vector<vector<int>> matrix;
+
+    Matrix operator+(const Matrix& other) {
+        Matrix result;
+
+        int n = matrix.size();
+        int m = matrix[0].size();
+
+        for (int i = 0; i < n; i++) {
+            vector<int> row;
+
+            for (int j = 0; j < m; j++) {
+                row.push_back(matrix[i][j] + other.matrix[i][j]);
+            }
+            result.matrix.push_back(row);
+        }
+
+        return result;
+    }
+};
+
+int main() {
+    int cases, k;
+    cin >> cases;
+    for (k = 0; k < cases; k++) {
+        Matrix x;
+        Matrix y;
+        Matrix result;
+        int n, m, i, j;
+        cin >> n >> m;
+        for (i = 0; i < n; i++) {
+            vector<int> b;
+            int num;
+            for (j = 0; j < m; j++) {
+                cin >> num;
+                b.push_back(num);
+            }
+            x.a.push_back(b);  // Now 'a' refers to 'matrix'
+        }
+        for (i = 0; i < n; i++) {
+            vector<int> b;
+            int num;
+            for (j = 0; j < m; j++) {
+                cin >> num;
+                b.push_back(num);
+            }
+            y.a.push_back(b);  // Now 'a' refers to 'matrix'
+        }
+        result = x + y;
+        for (i = 0; i < n; i++) {
+            for (j = 0; j < m; j++) {
+                cout << result.a[i][j] << " ";  // Now 'a' refers to 'matrix'
+            }
+            cout << endl;
+        }
+    }
+    return 0;
+}