#include lt;iostreamgt;
#include lt;cstringgt;
#include lt;vectorgt;
#include lt;algorithmgt;
struct StudentData
{
std::string name;
std::string surname;
int math;
int phys;
int comp_science;
};
bool
comp(const StudentData amp;a, const StudentData amp;b)
{
int tmp1 = a.math + a.phys + a.comp_science;
int tmp2 = b.math + b.phys + b.comp_science;
return tmp1 gt; tmp2 true : false;
}
int
main(void)
{
int n;
std::cin gt;gt; n;
std::vectorlt; StudentData gt; data(n);
for (int i = 0; i lt; n; i++) {
std::cin gt;gt; data[i].name gt;gt; data[i].surname;
std::cin gt;gt; data[i].math gt;gt; data[i].phys gt;gt; data[i].comp_science;
}
std::sort(data.begin(), data.end(), comp);
for (int i = 0; i lt; n; i++) {
std::cout lt;lt; data[i].name lt;lt; " " lt;lt; data[i].surname lt;lt; std::endl;
}
return 0;
}
Объяснение:
#include <iostream>
using namespace std;
int main()
{
int a[12],k;
cout<<"Massive before: ";
srand(time(NULL));
for(int i=0;i<12;i++)
{
a[i]=(rand() % 25 -12);
cout<<a[i]<<" ";
if((i+1)%4==0) cout<<" | ";
}
for(int j=0;j<3;j++)
{
for(int i=0;i<2;i++)
{
k=a[j*4+i];
a[j*4+i]=a[3+j*4-i];
a[3+j*4-i]=k;
}
}
cout<<endl<<"Massive : ";
for(int i=0;i<12;i++)
{
cout<<a[i]<<" ";
if((i+1)%4==0) cout<<" | ";
}
getch();
return 0;
}