pitici infopro C1

#include <bits/stdc++.h>
#define int long long

using namespace std;

ifstream fin("pitici.in");
ofstream fout("pitici.out");

int32_t main() {
    fin.sync_with_stdio(false);
    fout.sync_with_stdio(false);
    fin.tie(nullptr);
    fout.tie(nullptr);
    int N;
    fin >> N;
    vector < int > a(N + 2), b(N + 2);
    for(int i = 1; i <= N; ++i) {
        fin >> a[i];
        a[i] += a[i - 1];
    }
    for(int i = 1; i <= N; ++i)
        fin >> b[i];
    vector < int > v(N + 2);
    for(int i = 1; i <= N; ++i) {
        ++v[i];
        int st = i, dr = N, ans = N;
        while(st <= dr) {
            int mid = (st + dr) >> 1;
            int sum = a[mid] - a[i - 1];
            if(sum >= b[i]) {
                ans = mid;
                dr = mid - 1;
            }
            else
                st = mid + 1;
        }
        --v[ans + 1];
    }
    int mx = 0, cnt = 0;
    for(int i = 1; i <= N; ++i) {
        v[i] += v[i - 1];
        if(v[i] > mx) {
            mx = v[i];
            cnt = 1;
        }
        else
            if(v[i] == mx)
                ++cnt;
    }
    fout << mx << ' ' << cnt;
}