Cod sursa(job #2647925)
Utilizator | Predescu Sebastian Ion PredescuSebastianIon | Data | 7 septembrie 2020 13:37:40 |
---|---|---|---|
Problema | Orase | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.5 kb |
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("orase.in");
ofstream g("orase.out");
int n,m,sol,s,Max;
struct ceva
{
int d,l;
} v[50003];
int cmp(ceva a,ceva b)
{
return a.d<b.d;
}
int main()
{
f>>m>>n;
for(int i=1; i<=n; i++)
{
f>>v[i].d>>v[i].l;
}
sort(v+1,v+n+1,cmp);
for(int i=1; i<=n; i++)
{
sol=max(sol,Max+v[i].d+v[i].l);
Max=max(Max,v[i].l-v[i].d);
}
g<<sol<<'\n';
return 0;
}