Cod sursa(job #2560791)
Utilizator | Bocan Sabin Andrei sabinandrei | Data | 28 februarie 2020 11:42:06 |
---|---|---|---|
Problema | Heavy metal | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.57 kb |
#include <fstream>
#include <algorithm>
#include <cmath>
using namespace std;
ifstream in ("spectacole.in");
ofstream out ("spectacole.out");
struct vagos
{
int x;
int y;
} v[1000];
int compare (vagos a,vagos b)
{
return(a.y<b.y);
}
int main()
{
int n,i,s,a;
in>>n;
for(i=1; i<=n; i++)
{
in>>v[i].x>>v[i].y;
}
sort(v+1,v+n+1,compare);
s=0;
for(i=1; i<=n; i++)
{
a=v[i].y;
while(a>v[i].x)i++;
s+=v[i].y-v[i].x;
i--;
}
out<<abs(s);
return 0;
}