#include <bits/stdc++.h>
using namespace std;
 
int main() {
    int n, m;
    cin >> n >> m;
    int a[n][m];
 
    // Nhập mảng
    for (int i = 0; i < n; i++)
        for (int j = 0; j < m; j++)
            cin >> a[i][j];
 
    int maxSum = INT_MIN; // Khởi tạo tổng lớn nhất
    int colIndex = 0;     // Chỉ số cột
 
    // Duyệt từng cột
    for (int j = 0; j < m; j++) {
        int currentSum = 0;
        for (int i = 0; i < n; i++) {
            currentSum += a[i][j]; // Tính tổng cột j
        }
 
        // Cập nhật tổng lớn nhất và chỉ số cột
        if (currentSum > maxSum) {
            maxSum = currentSum;
            colIndex = j;
        }
    }
 
    cout << "Cot co tong lon nhat la " << colIndex << " voi tong = " << maxSum << endl;
    return 0;
}

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

MyAzCjEgMiAzCjQgNSA2CjcgOCA5

3 3
1 2 3
4 5 6
7 8 9