4. int i,j,temp,count;for(i=0,count=0;i<n-1;i++){for(j=0;j<n-1;j++){if(train[j]>train[j+1]){temp=train[j];train[j]=train[j+1];train[j+1]=train[j];count++;}}}
4. int i,j,temp,count;for(i=0,count=0;i<n-1;i++){for(j=0;j<n-1;j++){if(train[j]>train[j+1]){temp=train[j];train[j]=train[j+1];train[j+1]=train[j];count++;}}}