Nu aveti permisiuni pentru a descarca fisierul grader_test7.ok
Cod sursa(job #3171822)
| Utilizator | Data | 19 noiembrie 2023 17:03:02 | |
|---|---|---|---|
| Problema | Cuburi2 | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva de probleme | Marime | 0.81 kb |
#include <iostream>
#include <fstream>
#define limit 1<<17
using namespace std;
long long v[250005], s[250005], ss[250005];
ifstream fin("cuburi2.in");
ofstream fout("cuburi2.out");
int main()
{
long long i, j, n, m, x, y;
fin >> n >> m;
for (i = 1; i <= n; i++)
{
fin>>v[i];
s[i] = s[i-1] + v[i];
ss[i]=ss[i-1] + i*v[i];
}
for(j = 1; j <= m; j++)
{
fin >> x >> y;
int st = x, pas = (1 << 17);
while(pas > 0)
{
if(st + pas <= y && 2 * s[st+pas-1] < s[x-1] + s[y])
{
st += pas;
}
pas >>= 1;
}
fout << st << " " << ss[y] - ss[st] + st * ((s[st] + s[st - 1]) - (s[x - 1] + s[y])) - (ss[st - 1] - ss[x - 1]) << endl;
}
}
