Submission #902078

#	Time	Username	Problem	Language	Result	Execution time	Memory
902078		Darren0724	Bitaro, who Leaps through Time (JOI19_timeleap)	C++17	4 / 100	3046 ms	10668 KiB

timeleap

#pragma GCC optimize("Ofast","O3","unroll-loops")
#pragma GCC target("avx2")
#include <bits/stdc++.h>
using namespace std;
#define int long long 
#define LCBorz ios_base::sync_with_stdio(false); cin.tie(0);
#define all(x) x.begin(), x.end()
#define endl '\n'
const int mod=1e9+9;
int32_t main() {
    LCBorz;
    int n;cin>>n;
    int q;cin>>q;
    vector<int> a(n+2),b(n+2);
    for(int i=1;i<n;i++){
        cin>>a[i]>>b[i];
    }
    for(int i=0;i<q;i++){
        int id;cin>>id;
        if(id==1){
            int p,a1,b1;cin>>p>>a1>>b1;
            a[p]=a1,b[p]=b1;
        }
        if(id==2){
            int c,t1,d,t2;cin>>c>>t1>>d>>t2;
            int cnt=0;
            if(c<d){
                for(int i=c;i<d;i++){
                    if(t1<a[i]){
                        t1=a[i];
                    }
                    if(t1>b[i]-1){
                        cnt+=t1-b[i]+1;
                        t1=b[i]-1;
                    }
                    t1++;
                }
            }
            else{
                for(int i=c-1;i>=d;i--){
                    if(t1<a[i]){
                        t1=a[i];
                    }
                    if(t1>b[i]-1){
                        cnt+=t1-b[i]+1;
                        t1=b[i]-1;
                    }
                    t1++;
                }
            }
            if(t1>t2){
                cnt+=t1-t2;
            }
            cout<<cnt<<endl;
        }
    }


    return 0;
}
// 0 0 0 0 5 5 5 5 5 5 5 5 7 7 7 7 10

/*
17 5 4
100 107 114 121
*/

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