BubbleSort 2D array keeping rows together
hi, im having trouble sorting this array by Y from the highest to the lowest but i need to keep all the data in the same row together, help pls
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#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;
int main()
{
int redovalnica [10][5];
srand(time(0));
cout << "Student - KV - RV - VI - OC "<<endl;
for(int x=0; x<10; x++)
{
int y=0;
redovalnica[x][0]=x+1;
cout << redovalnica[x][0] << " ------ ";
for(int i=1; i<4; i++)
{
redovalnica[x][i]=rand()%101;
cout <<redovalnica[x][i]<<"% - ";
if(i==1){
y=y+(0.15*redovalnica[x][i]);
}
else if(i==2){
y=y+(0.35*redovalnica[x][i]);
}
else if(i==3){
y=y+(0.50*redovalnica[x][i]);
if(0<y && y<10){
y=1;
cout<<y;
}
else if(9<y && y<20){
y=2;
cout<<y;
}
else if(19<y && y<30){
y=3;
cout<<y;
}
else if(29<y && y<40){
y=4;
cout<<y;
}
else if(39<y && y<50){
y=5;
cout<<y;
}
else if(49<y && y<60){
y=6;
cout<<y;
}
else if(59<y && y<70){
y=7;
cout<<y;
}
else if(69<y && y<80){
y=8;
cout<<y;
}
else if(79<y && y<90){
y=9;
cout<<y;
}
else if(89<y && y<100){
y=10;
cout<<y;
}
}
}
cout<<endl;
}
}
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