Add Transpose Matrix in C++ (#5094)

Author: MeetThakur

archive/c/c-plus-plus/transpose-matrix.cpp

@@ -0,0 +1,63 @@
+#include <iostream>
+#include <sstream>
+#include <vector>
+#include <string>
+
+#define MAX_MATRIX_SIZE 100
+
+void transpose_matrix(int *matrix, int rows, int cols, int *transposed) {
+    for (int i = 0; i < rows; i++) {
+        for (int j = 0; j < cols; j++) {
+            transposed[j * rows + i] = matrix[i * cols + j];
+        }
+    }
+}
+
+int main(int argc, char *argv[]) {
+    if (argc != 4) {
+        std::cout << "Usage: please enter the dimension of the matrix and the serialized matrix" << std::endl;
+        return 1;
+    }
+
+    int cols = std::atoi(argv[1]);
+    int rows = std::atoi(argv[2]);
+    std::string input = argv[3];
+
+    if (cols <= 0 || rows <= 0 || input.empty()) {
+        std::cout << "Usage: please enter the dimension of the matrix and the serialized matrix" << std::endl;
+        return 1;
+    }
+
+    int matrix[MAX_MATRIX_SIZE];
+    int transposed[MAX_MATRIX_SIZE];
+    int count = 0;
+
+    std::stringstream ss(input);
+    std::string token;
+
+    while (std::getline(ss, token, ',') && count < rows * cols) {
+        // Trim leading spaces
+        size_t start = token.find_first_not_of(" ");
+        if (start != std::string::npos) {
+            token = token.substr(start);
+        }
+        matrix[count++] = std::atoi(token.c_str());
+    }
+
+    if (count != rows * cols) {
+        std::cout << "Usage: please enter the dimension of the matrix and the serialized matrix" << std::endl;
+        return 1;
+    }
+
+    transpose_matrix(matrix, rows, cols, transposed);
+
+    for (int i = 0; i < cols * rows; i++) {
+        std::cout << transposed[i];
+        if (i < cols * rows - 1) {
+            std::cout << ", ";
+        }
+    }
+    std::cout << std::endl;
+
+    return 0;
+}