Submission #69314591

Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define endl '\n'
#define ll long long

int main(){
	ios::sync_with_stdio(0); cin.tie(0);
	int n, p;
    cin>>n>>p;
    int a[n+5];
    for(int i=1; i<=n; i++){
        cin>>a[i];
    }

    int l = 1, r = n;
    while(l <= n && a[l] == 1){
        l++;
    }
    while(r >= 1 && a[r] == 1){
        r--;
    }

    if(l > p+1){
        l = p+1;
    }

    if(r < p){
        r = p;
    }

    if(l > r){
        cout<<0<<endl;
    }
    else{
        int ans = 0;
        for(int i=l; i<=r; i++){
            if(a[i] == 0) ans++;
            else ans += 2;
        }
        cout<<ans<<endl;
    }
	return 0;
}

Submission Info

Submission Time
Task C - Lock All Doors
User takeonicky
Language C++ 20 (gcc 12.2)
Score 300
Code Size 700 Byte
Status AC
Exec Time 8 ms
Memory 4404 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 33
Set Name Test Cases
Sample sample00.txt, sample01.txt, sample02.txt
All sample00.txt, sample01.txt, sample02.txt, testcase00.txt, testcase01.txt, testcase02.txt, testcase03.txt, testcase04.txt, testcase05.txt, testcase06.txt, testcase07.txt, testcase08.txt, testcase09.txt, testcase10.txt, testcase11.txt, testcase12.txt, testcase13.txt, testcase14.txt, testcase15.txt, testcase16.txt, testcase17.txt, testcase18.txt, testcase19.txt, testcase20.txt, testcase21.txt, testcase22.txt, testcase23.txt, testcase24.txt, testcase25.txt, testcase26.txt, testcase27.txt, testcase28.txt, testcase29.txt
Case Name Status Exec Time Memory
sample00.txt AC 1 ms 3624 KiB
sample01.txt AC 1 ms 3364 KiB
sample02.txt AC 1 ms 3320 KiB
testcase00.txt AC 5 ms 4032 KiB
testcase01.txt AC 6 ms 4280 KiB
testcase02.txt AC 6 ms 4116 KiB
testcase03.txt AC 7 ms 4288 KiB
testcase04.txt AC 2 ms 3604 KiB
testcase05.txt AC 7 ms 4200 KiB
testcase06.txt AC 5 ms 4148 KiB
testcase07.txt AC 6 ms 4284 KiB
testcase08.txt AC 4 ms 3752 KiB
testcase09.txt AC 8 ms 4204 KiB
testcase10.txt AC 6 ms 4092 KiB
testcase11.txt AC 8 ms 4180 KiB
testcase12.txt AC 2 ms 3564 KiB
testcase13.txt AC 8 ms 4244 KiB
testcase14.txt AC 7 ms 4072 KiB
testcase15.txt AC 8 ms 4180 KiB
testcase16.txt AC 7 ms 4128 KiB
testcase17.txt AC 6 ms 4216 KiB
testcase18.txt AC 1 ms 3440 KiB
testcase19.txt AC 8 ms 4284 KiB
testcase20.txt AC 5 ms 3964 KiB
testcase21.txt AC 7 ms 4284 KiB
testcase22.txt AC 7 ms 4324 KiB
testcase23.txt AC 7 ms 4404 KiB
testcase24.txt AC 6 ms 4128 KiB
testcase25.txt AC 7 ms 4276 KiB
testcase26.txt AC 7 ms 4160 KiB
testcase27.txt AC 8 ms 4184 KiB
testcase28.txt AC 7 ms 4272 KiB
testcase29.txt AC 7 ms 4280 KiB