# 查找矩阵中每一行的最大元素 > 原文： [https://www.geeksforgeeks.org/find-maximum-element-row-matrix/](https://www.geeksforgeeks.org/find-maximum-element-row-matrix/) 给定一个矩阵，任务是找到每一行的最大元素。 **示例**： ``` Input : [1, 2, 3] [1, 4, 9] [76, 34, 21] Output : 3 9 76 Input : [1, 2, 3, 21] [12, 1, 65, 9] [1, 56, 34, 2] Output : 21 65 56 ``` **方法**：方法非常简单。 这个想法是为 no_of_rows 运行循环。 检查行内的每个元素，并找到最大元素。 最后，打印元素。 下面是实现： ## C++ ```cpp // C++ program to find maximum  // element of each row in a matrix #include<bits/stdc++.h> using namespace std; const int N = 4;      // Print array element     void printArray(int result[], int no_of_rows) {         for (int i = 0; i < no_of_rows; i++) {             cout<< result[i]<<"\n";         }     }     // Function to get max element     void maxelement(int no_of_rows, int arr[][N]) {         int i = 0;         // Initialize max to 0 at beginning         // of finding max element of each row         int max = 0;         int result[no_of_rows];         while (i < no_of_rows) {             for (int j = 0; j < N; j++) {                 if (arr[i][j] > max) {                     max = arr[i][j];                 }             }             result[i] = max;             max = 0;             i++;         }         printArray(result,no_of_rows);     }     // Driver code     int main()     {         int arr[][N] = { {3, 4, 1, 8},                         {1, 4, 9, 11},                         {76, 34, 21, 1},                         {2, 1, 4, 5} };     // Calling the function          maxelement(4, arr);     } // This code is contributed by Rajput-Ji ```