Найти общее количество учеников школы в каждой параллели; определить самую малочисленную параллель

#include <string>
 
int main ()
{ 
    const size_t CLASS = 4;
    const size_t PUPIL = 5;
 
    std::string parallel_1[ CLASS ][ PUPIL ] =
    {
        { "Jon Lord", "Ian Paice", "Ian Gillan", "Roger Glover", "Ritchie Blackmore" },
        { "Robert Plant", "Jimmy Page", "Jon Paul Jones", "John Bonham", "" },
        { "Lemmy Kilmister", "Eddie Clarke", "Phil Taylor,", "", "" },
        { "Ozzy Osbourne", "Tonny Iommi", "Gizer Butler", "Bill Ward", "" }
    };
    
    std::string parallel_2[ CLASS ][ PUPIL ] =
    {
        { "James Hetfield", "Lars Ulrich", "Kirk Hammett", "Cliff Burton", "" },
        { "Dave Mustaine", "David Ellefson", "Marty Friedman", "Nick Menza", "" },
        { "Kerry King", "Jeff Hanneman", "Tom Araya", "Dave Lombardo", "" },
        { "Eric Peterson", "Alex Skolnick", "Chuck Billy", "Gene Hoglan", "Steve DiGiorgio" }
    };
  
    return 0;
}

int summ1=arr[0][0]+arr[0][1]+arr[0][2]+arr[0][3];
int summ2=arr[1][0]+arr[1][1]+arr[1][2]+arr[1][3];
int summ3=arr[2][0]+arr[2][1]+arr[2][2]+arr[2][3];
int summ4=arr[3][0]+arr[3][1]+arr[3][2]+arr[3][3];
 
if(summ1<summ2 && summ1<summ3 && summ1<summ4 )
  cout<<summ1;
if(summ2<summ1 && summ2<summ3 && summ2<summ4 )
  cout<<summ2;
if(summ3<summ1 && summ3<summ2 && summ3<summ4 )
  cout<<summ3;
if(summ4<summ2 && summ4<summ3 && summ4<summ1 )
  cout<<summ4;

#include <iostream>
#include <string>
 
 
int main()
{
    const size_t LINE = 4;
    const size_t CLASS = 4;
 
    std::string school[ LINE ][ CLASS ] =
    {
        {
            "Jon Lord, Ian Paice, Ian Gillan, Roger Glover, Ritchie Blackmore",
            "Robert Plant, Jimmy Page, Jon Paul Jones, John Bonham",
            "Mick Box, Ken Hensley, Lee Kerslake, Gary Thain, David Byron",
            "Ozzy Osbourne, Tonny Iommi, Gizer Butler, Bill Ward"
        },
 
        {
            "James Hetfield, Lars Ulrich, Kirk Hammett, Cliff Burton",
            "Dave Mustaine, David Ellefson, Marty Friedman, Nick Menza",
            "Kerry King, Jeff Hanneman, Tom Araya, Dave Lombardo",
            "Eric Peterson, Alex Skolnick, Chuck Billy, Gene Hoglan, Steve DiGiorgio"
        },
 
        {
            "Rob Halford, K. K. Downing, Glenn Tipton, Ian Hill, Dave Holland",
            "Steve Harris, Dave Murray, Adrian Smith, Bruce ****inson, Nicko McBrain",
            "Lemmy Kilmister, Eddie Clarke, Phil Taylor",
            "Eric Adams, Ross the Boss, Joey DeMaio, Scott Columbus"
        },
 
        {
            "Dimebag Darrell, Phil Anselmo, Vinnie Paul, Rex",
            "Max Cavalera, Igor Cavalera, Paulo Jr., Andreas Kisser",
            "Chuck Schuldiner, Richard Christy, Shannon Hamm, Scott Clendenin",
            "Paul Masvidal, Jason Gobel, Sean Malone, Sean Reinert"
        }
    };
 
    return 0;
}