#include <iostream>

using namespace std;

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

void hienThiMang(float *p, int m, int n)  {
	for (int i = 0; i < m; i++) {
		for (int j = 0; j < n; j++) {
			cout<<"\t"<<*(p+i*m+j);
		}
		cout<<endl;
	}
}

float tongDong1(float *p, int m, int n) {
	float tong = 0;
	for (int i = 0; i < n; i++) {
		tong += *(p+i);
	}
	return tong;
}

float phanTuAmLonNhat(float *p, int m, int n) {
	float maxAm;
	for (int i = 0; i < m; i++) {
		for (int j = 0; j < n; j++) {
			if (*(p+i*m+j) < 0) {
				maxAm = *(p+i*m+j);
				break;
			}
		}
	}
	for (int i = 0; i < m; i++) {
		for (int j = 0; j < n; j++) {
			if (*(p+i*m+j) < maxAm) maxAm = *(p+i*m+j);
		}
	}
	return maxAm;
}

void maTranChuyenVi(float *p, int m, int n)  {
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			cout<<"\t"<<*(p+j*m+i);
		}
		cout<<endl;
	}
}

int main() {
	int m, n;
	float *p, b[100];
	cout<<"Nhap m: "; cin>>m;
	cout<<"Nhap n: "; cin>>n;
	p = b;
	nhapMang(p, m, n);
	cout<<"Mang vua nhap: "<<endl;
	hienThiMang(p, m, n);
	cout<<"\nTong dong dau cua mang la: "<<tongDong1(p, m, n)<<endl;
	cout<<"\nPhan tu am lon nhat la: "<<phanTuAmLonNhat(p, m, n)<<endl;
	cout<<"Ma tran chuyen vi cua B: "<<endl;
	maTranChuyenVi(p, m, n);
	return 0;
}