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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int dong, cot;
  6.     cout << "Nhap so dong va cot: ";
  7.     cin >> dong >> cot;
  8.  
  9.     int a[100][100];
  10.     // Nhap ma tran
  11.     for(int i=0; i<dong; i++)
  12.         for(int j=0; j<cot; j++)
  13.             cin >> a[i][j];
  14.  
  15.     // Tinh tong theo cot
  16.     for(int j=0; j<cot; j++) {
  17.         int tongCot = 0; // Khoi tao tong cot moi
  18.         for(int i=0; i<dong; i++) {
  19.             tongCot += a[i][j]; // Cong tung phan tu trong cot
  20.         }
  21.         cout << "Tong cot " << j+1 << ": " << tongCot << endl;
  22.     }
  23. 	return 0;
  24. }
Success #stdin #stdout 0.01s 5284KB
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stdin
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3 3
stdout
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Nhap so dong va cot: Tong cot 1: 0
Tong cot 2: 0
Tong cot 3: 0
https://ideone.com/ZXUbcx
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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