Submission #105869

#	Time	Username	Problem	Language	Result	Execution time	Memory
105869		Alexa2001	Bitaro, who Leaps through Time (JOI19_timeleap)	C++17	4 / 100	261 ms	22820 KiB

timeleap

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
const int Nmax = 3e5 + 5;

int q, n, L[Nmax], R[Nmax], a[Nmax], b[Nmax], c[Nmax], d[Nmax];



void subtask1()
{
    int i, tip, a, b, c, d;

    while(q--)
    {
        cin >> tip >> a >> b >> c;
        if(tip == 2) cin >> d;

        if(tip == 1)
        {
            L[a] = b;
            R[a] = c;
            continue;
        }

        int t = b;
        ll ans = 0;

        if(a <= c)
        {
            for(i=a; i<c; ++i)
            {
                if(t >= R[i]) ans += t - R[i] + 1, t = R[i] - 1;
                    else if(t < L[i]) t = L[i];
                ++t;
            }
            if(t > d) ans += t - d;
        }
        else
        {
            for(i=a; i>c; --i)
            {
                if(t >= R[i-1]) ans += t - R[i-1] + 1, t = R[i-1] - 1;
                    else if(t < L[i-1]) t = L[i-1];
                ++t;
             }
            if(t > d) ans += t - d;
        }

        cout << ans << '\n';
    }
}

int main()
{
   // freopen("input", "r", stdin);
    cin.sync_with_stdio(false);

    int i;

    cin >> n >> q;
    for(i=1; i<n; ++i) cin >> L[i] >> R[i];

    if(n <= 1000 && q <= 1000)
    {
        subtask1();
        exit(0);
    }

    int tip;
    for(i=1; i<=q; ++i) cin >> tip >> a[i] >> b[i] >> c[i] >> d[i];

    //solve();


    return 0;
}

• Subtask 1: 4 / 4
• Subtask 2: 0 / 30
• Subtask 3: 0 / 66