Ai help mình fix lỗi đường chéo phụ với đường chéo chính với nó bị lỗi khi chạy.
#include<iostream>
using namespace std;
int main()
{
int tong4;
int tong3;
int i,j,m,n;
int a[50][50];
cout << "Nhap so dong : ";
cin >> m;
cout << "Nhap so cot : ";
cin >> n;
// Nhap mang 2 chieu
for (int i = 0; i < m; i++)
{
for(int j = 0; j < n; j++)
{
cout<<"a["<<i<<"]["<<j<<"]= ";
cin>> a[i][j];
}
}
// xuat mang 2 chieu
cout<<"Xuat Mang"<<endl;
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
cout << a[i][j] << "\t";
}
cout << endl;
}
// Tong cac phan tu
int tong1 = 0;
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++) // Duyet cac cot
{
tong1 = tong1 + a[i][j]; // tong = tong + a[i][j]
}
}
cout<<"\n Tong cac phan tu la : "<<tong1;
// Tong dòng
for (int i = 0; i < m; i++)
{
int tong2 = 0;
for (int j = 0; j < n; j++) // Duyet cac cot
{
tong2 += a[i][j]; // tong = tong + a[i][j]
}
cout<<"\n Tong cua dong thu "<<i<<" : "<<tong2;
}
//Tong cot
for (int i = 0; i < m; i++)
{
int tong = 0;
for (int j = 0; j < n; j++) // Duyet cac cot
{
tong += a[i][j]; // tong = tong + a[i][j]
}
cout<<"\n Tong cua cot thu "<<i<<" : "<<tong;
}
cout<<"."<<endl;
//Duong cheo phu
for (i = 0; i < m ;i++)
{
for (j = 0; j < m ;j++)
{
if (i+j == n-1)
{
tong3 = tong3 + a[i][j];
}
}
}
cout<<"Tong cua duong cheo phu la :"<<tong3<<endl;
//Duong cheo chinh
for (i = 0; i < m; i++)
{
for (j = 0; j < n; j++)
{
if (i == j)
tong4 = tong4 + a[i][j];
}
}
cout<<"Tong cua duong cheo chinh la : "<<tong4<<endl;
// tim max
int max = a[0][0];
for (i = 0; i < m; i++)
{
for (j = 0; j < n; j++)
{
if (a[i][j] > max)
max = a[i][j];
}
cout <<"\nMax cua dong "<<i<<" = " << max << endl;
}
return 0;
}