Kiem_Tra_Ma_Tran.cpp

// Kiem_Tra_Ma_Tran.cpp
#include <bits/stdc++.h>

using namespace std;

void nhapMaTran(float a[][100], int n, int m) {
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			cout<<"Nhap a["<<i<<","<<j<<"] = "; cin>>a[i][j];
		}
	}
}

void inMaTran(float a[][100], int n, int m) {
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			cout<<"\t"<<a[i][j];
		}
		cout<<endl;
	}
	cout<<endl;
}

void timMinMax(float a[][100], int n, int m) {
	cout<<"Gia tri max tung dong:"<<endl;
	float maxDong, minCot;
	for (int i = 0; i < n; i++) {
		maxDong = a[i][0];
		for (int j = 0; j < m; j++) {
			if (a[i][j] > maxDong) maxDong = a[i][j];
		}
		cout<<"Dong "<<i+1<<": "<<maxDong<<endl;
	}
	cout<<endl;
	cout<<"Gia tri min tung cot:"<<endl;
	for (int i = 0; i < m; i++) {
		minCot = a[0][i];
		for (int j = 0; j < n; j++) {
			if (a[j][i] < minCot) minCot = a[j][i];
		}
		cout<<"Cot "<<i+1<<": "<<minCot<<endl;
	}
	cout<<endl;
}

void maTranChuyenVi(float a[][100], float b[][100], int n, int m) {
	for (int i = 0; i < m; i++) {
		for (int j = 0; j < n; j++) {
			b[i][j] = a[j][i];
		}
	}
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			a[i][j] = -a[i][j];
		}
	}
	cout<<"Ma tran a: "<<endl;
	inMaTran(a, n, m);
	cout<<"Ma tran b: "<<endl;
	inMaTran(b, m, n);
}

void demPhanTuDuong(float a[][100], int n, int m) {
	cout<<"So phan tu duong tung dong:"<<endl;
	int count;
	for (int i = 0; i < n; i++) {
		count = 0;
		for (int j = 0; j < m; j++) {
			if (a[i][j] > 0) count++;
		}
		cout<<"Dong "<<i+1<<": "<<count<<endl;
	}
}

int main() {
	int n, m;
	float a[100][100], b[100][100];
	cout<<"Nhap n: "; cin>>n;
	cout<<"Nhap m: "; cin>>m;
	nhapMaTran(a, n, m);
	inMaTran(a, n, m);
	timMinMax(a, n, m);
	maTranChuyenVi(a, b, n, m);
	demPhanTuDuong(a, n, m);
	return 0;
}