Submission #1267785

#	Time	Username	Problem	Language	Result	Execution time	Memory
1267785		enzy	Sandcastle 2 (JOI22_ho_t5)	C++20	9 / 100	3 ms	584 KiB

Main

#include<bits/stdc++.h>
using namespace std;
const int maxn=5e4+10;
int v[maxn];
int main(){
    ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
    int h, w; cin >> h >> w;
    for(int i=1;i<=w;i++) cin >> v[i];
    int id=1, tam=1, resp=0, oq=-1;
    while(id<=w){
        resp+=tam;
        if(oq==0){
            if(v[id]>v[id+1]) tam++;
            else{
                tam=2;
                oq=1;
            }
        }else if(oq==1){
            if(v[id]<v[id+1]) tam++;
            else{
                tam=2;
                oq=0;
            }
        }else{
            tam++;
            if(v[id]>v[id+1]) oq=0;
            else oq=1;
        }
        id++;
    }
    cout << resp << endl;
}

• Subtask 1: 9 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 5
• Subtask 4: 0 / 56
• Subtask 5: 0 / 20