Submission #74980801

Source Code Expand

#include<bits/stdc++.h>
using namespace std;

#define FAST 0

#if FAST
#define int long long
signed main(){

#else
int main() {

#endif
	ios::sync_with_stdio(false);
    cin.tie(0);
	int n;
	cin>>n;
	vector<int>h(n+1),d(n+1),dp(n+1);
	for(int i=1;i<=n;i++){
		cin>>h[i];
	}
	for(int i=1;i<=n;i++){
		cin>>d[i];
	}
	dp[1]=(h[1]>0 && d[1]>0);
	if(n>=2){
		dp[2]=dp[1]+(h[2]>0 && d[2]>0);
	}
	
	for(int i=3;i<=n;i++){
		int c=(h[i]>0 && d[i]>0);
		dp[i]=min(dp[i-1],dp[i-2])+c;
	}
	cout<<dp[n]<<endl;
	
    return 0;

}

Submission Info

Submission Time
Task B - Footsteps in the Hallway
User Manson289
Language C++23 (Clang 21.1.0)
Score 333
Code Size 555 Byte
Status AC
Exec Time 174 ms
Memory 5308 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 333 / 333
Status
AC × 3
AC × 81
Set Name Test Cases
Sample sample01.txt, sample02.txt, sample03.txt
All sample01.txt, sample02.txt, sample03.txt, in01.txt, in02.txt, in03.txt, in04.txt, in05.txt, in06.txt, in07.txt, in08.txt, in09.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, in36.txt, in37.txt, in38.txt, in39.txt, in40.txt, in41.txt, in42.txt, in43.txt, in44.txt, in45.txt, in46.txt, in47.txt, in48.txt, in49.txt, in50.txt, in51.txt, in52.txt, in53.txt, in54.txt, in55.txt, in56.txt, in57.txt, in58.txt, in59.txt, in60.txt, in61.txt, in62.txt, in63.txt, in64.txt, in65.txt, in66.txt, in67.txt, in68.txt, in69.txt, in70.txt, in71.txt, in72.txt, in73.txt, in74.txt, in75.txt, in76.txt, in77.txt, in78.txt
Case Name Status Exec Time Memory
in01.txt AC 6 ms 2852 KiB
in02.txt AC 1 ms 2872 KiB
in03.txt AC 1 ms 3044 KiB
in04.txt AC 1 ms 2868 KiB
in05.txt AC 1 ms 2844 KiB
in06.txt AC 1 ms 3044 KiB
in07.txt AC 1 ms 2876 KiB
in08.txt AC 162 ms 5204 KiB
in09.txt AC 70 ms 5204 KiB
in10.txt AC 1 ms 2756 KiB
in11.txt AC 162 ms 5164 KiB
in12.txt AC 141 ms 5252 KiB
in13.txt AC 140 ms 5088 KiB
in14.txt AC 147 ms 5188 KiB
in15.txt AC 1 ms 2996 KiB
in16.txt AC 174 ms 5160 KiB
in17.txt AC 116 ms 5160 KiB
in18.txt AC 124 ms 5260 KiB
in19.txt AC 1 ms 2876 KiB
in20.txt AC 163 ms 5276 KiB
in21.txt AC 163 ms 5160 KiB
in22.txt AC 162 ms 5156 KiB
in23.txt AC 125 ms 5204 KiB
in24.txt AC 105 ms 5308 KiB
in25.txt AC 157 ms 5204 KiB
in26.txt AC 69 ms 5088 KiB
in27.txt AC 1 ms 2872 KiB
in28.txt AC 140 ms 5252 KiB
in29.txt AC 2 ms 2772 KiB
in30.txt AC 139 ms 5204 KiB
in31.txt AC 1 ms 2944 KiB
in32.txt AC 1 ms 2756 KiB
in33.txt AC 1 ms 2860 KiB
in34.txt AC 1 ms 2868 KiB
in35.txt AC 1 ms 2880 KiB
in36.txt AC 1 ms 2868 KiB
in37.txt AC 1 ms 2884 KiB
in38.txt AC 1 ms 2844 KiB
in39.txt AC 1 ms 2756 KiB
in40.txt AC 70 ms 5160 KiB
in41.txt AC 36 ms 4012 KiB
in42.txt AC 1 ms 2860 KiB
in43.txt AC 1 ms 2944 KiB
in44.txt AC 1 ms 3044 KiB
in45.txt AC 133 ms 5292 KiB
in46.txt AC 1 ms 2888 KiB
in47.txt AC 163 ms 5252 KiB
in48.txt AC 1 ms 2860 KiB
in49.txt AC 149 ms 5292 KiB
in50.txt AC 1 ms 2880 KiB
in51.txt AC 1 ms 2840 KiB
in52.txt AC 148 ms 5156 KiB
in53.txt AC 149 ms 5156 KiB
in54.txt AC 162 ms 5140 KiB
in55.txt AC 140 ms 5172 KiB
in56.txt AC 159 ms 5300 KiB
in57.txt AC 1 ms 2944 KiB
in58.txt AC 161 ms 5252 KiB
in59.txt AC 1 ms 3044 KiB
in60.txt AC 1 ms 2876 KiB
in61.txt AC 1 ms 2884 KiB
in62.txt AC 1 ms 2828 KiB
in63.txt AC 36 ms 3808 KiB
in64.txt AC 36 ms 4028 KiB
in65.txt AC 1 ms 2840 KiB
in66.txt AC 1 ms 2844 KiB
in67.txt AC 1 ms 2876 KiB
in68.txt AC 1 ms 2868 KiB
in69.txt AC 1 ms 2884 KiB
in70.txt AC 1 ms 2756 KiB
in71.txt AC 1 ms 2944 KiB
in72.txt AC 149 ms 5132 KiB
in73.txt AC 150 ms 5148 KiB
in74.txt AC 1 ms 2944 KiB
in75.txt AC 1 ms 2868 KiB
in76.txt AC 1 ms 2944 KiB
in77.txt AC 1 ms 2772 KiB
in78.txt AC 148 ms 5160 KiB
sample01.txt AC 1 ms 2860 KiB
sample02.txt AC 1 ms 2860 KiB
sample03.txt AC 1 ms 2756 KiB