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Source Code
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#include <iostream>
using namespace std;
int main()
{
int length, length2;
int s1 = 0 , s2 = 0, s3 = 0;
cout << "Enter m,n: ";
cin >> length >> length2;
//first matrix
float** a = new float* [length];
for(size_t i = 0; i < length; i++)
{
a[i] = new float[length2];
}
for(size_t i = 0; i < length; i++)
{
for(size_t j = 0; j < length2; j++)
{
cout << "Enter first matrix a["<<i<<"["<<j<<"]";
cin >> a[i][j];
s1 += a[i][j];
}
}
cout << endl;
//second matrix
float** b = new float* [length];
for(size_t i = 0; i < length; i++)
{
b[i] = new float[length2];
}
for(size_t i = 0; i < length; i++)
{
for(size_t j = 0; j < length2; j++)
{
cout << "Enter second matrix b["<<i<<"["<<j<<"]";
cin >> b[i][j];
s2 += b[i][j];
}
}
cout << endl;
//third matrix
float** c = new float* [length];
for(size_t i = 0; i < length; i++)
{
c[i] = new float[length2];
}
for(size_t i = 0; i < length; i++)
{
for(size_t j = 0; j < length2; j++)
{
cout << "Enter third matrix c["<<i<<"["<<j<<"]";
cin >> c[i][j];
s3 += c[i][j];
}
}
//s1
if (s1 < s2 && s1 < s3)
{
for (size_t i = 0; i < length; i++)
{
for(size_t j = 0; j < length2; j++)
{
cout << a[i][j] << " ";
}
cout << endl;
}
}
//s2
if (s2 < s1 && s2 < s3)
{
for (size_t i = 0; i < length; i++)
{
for(size_t j = 0; j < length2; j++)
{
cout << b[i][j] << " ";
}
cout << endl;
}
}
//s3
if (s3 < s2 && s3<s1)
{
for (size_t i = 0; i < length; i++)
{
for(size_t j = 0; j < length2; j++)
{
cout << a[i][j] << " ";
}
cout << endl;
}
}
return 0;
}
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