Submission #865305

#	Time	Username	Problem	Language	Result	Execution time	Memory
865305		LittleOrange	Bitaro, who Leaps through Time (JOI19_timeleap)	C++17	4 / 100	3069 ms	5096 KiB

timeleap

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
int main(){
    ios::sync_with_stdio(0);cin.tie(0);
    ll n,q;
    cin >> n >> q;
    vector<ll> L(n-1),R(n-1);
    for(ll i = 0;i<n-1;i++) cin >> L[i] >> R[i];
    while(q--){
        ll t,a,b,c,d;
        cin >> t >> a >> b >> c;a--;
        if (t==1){
            L[a] = b;
            R[a] = c;
        }else{
            c--;
            cin >> d;
            ll ans = 0;
            ll t = b;
            ll cur = a;
            if (c>a){
                while(cur<c){
                    cur++;
                    t++;
                    if (t>R[cur-1]){
                        ans += t-R[cur-1];
                        t = R[cur-1];
                    }
                    t = max(t,L[cur-1]+1);
                    //cout << "at " << cur << ", t=" << t << "\n"; 
                }
            }else{
                while(cur>c){
                    cur--;
                    t++;
                    if (t>R[cur]){
                        ans += t-R[cur];
                        t = R[cur];
                    }
                    t = max(t,L[cur]+1);
                    //cout << "at " << cur << ", t=" << t << "\n"; 
                }
            }
            if (t>d) ans += t-d;
            cout << ans << "\n";
        }
    }
}

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