java-algorithims/ZeroMatrix.java at main · faraimtb/java-algorithims · GitHub

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packagecom.ematrix;

importjava.util.Arrays;

publicclassZeroMatrix {
publicvoidtransForm(int[][] S){
intn=S.length;
System.out.print(n);
boolean[] rows=newboolean[S.length];
boolean[] columns=newboolean[S[0].length];
Arrays.fill(rows,false);
Arrays.fill(columns,false);
for(inti=0;i<n;i++){
for(intj=0;j<S[i].length;j++){
if(S[i][j]==0){
rows[i] =true;
columns[j]=true;
 }
 }
 }
for(inti=0;i<n;i++){
for(intj=0;j<S[i].length;j++){
if(rows[i]){
S[i][j]=0;
 }
if( columns[j]){
S[i][j]=0;
 }
 }
 }

 }


publicstaticvoidmain(String[] args) {

int[][] a = {
 {0, 2, 3, 4,5},
 {5, 6, 7, 0,4},
 {9,10,11,12,6},
 {13,7,15,16,7}

 };
ZeroMatrixzeroMatrix =newZeroMatrix();
zeroMatrix.transForm(a);
for (inti = 0; i < a.length; ++i) {
for(intj = 0; j < a[i].length; ++j) {
System.out.print(a[i][j]+"\t");
 }
System.out.print("\n");
 }
 }
}