Submission #824496

#	Time	Username	Problem	Language	Result	Execution time	Memory
824496		ttamx	Sandcastle 2 (JOI22_ho_t5)	C++14	9 / 100	5 ms	876 KiB

Main

#include<bits/stdc++.h>

using namespace std;

typedef long long ll;

const int W=50005;
const int inf=1e9;

int h,w;
int a[W];
ll ans=0;

int main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> h >> w;
    for(int i=1;i<=h;i++)for(int j=1;j<=w;j++)cin >> a[j];
    int mx=inf,sz=0;
    for(int i=1;i<=w;i++){
        if(mx>a[i])sz=1;
        else sz++;
        mx=a[i];
        ans+=sz;
    }
    mx=inf,sz=0;
    for(int i=w;i>=1;i--){
        if(mx>a[i])sz=1;
        else sz++;
        mx=a[i];
        ans+=sz;
    }
    cout << ans-w << "\n";
}

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