Submission #701699

#	Time	Username	Problem	Language	Result	Execution time	Memory
701699		chenyan	Preokret (COCI18_preokret)	C++17	50 / 50	1 ms	340 KiB

preokret

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define pb emplace_back
#define N 200010
vector<pii>v;
int ans,cnt[N];
signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n,m,i,j,k;
	cin>>n;
	for(i=0;i<n;i++){
		cin>>j;
		cnt[j]++;
		if(j<=1440)ans++;
	}
	cin>>m;
	for(i=0;i<m;i++){
		cin>>j;
		cnt[j]--;
		if(j<=1440)ans++;
	}
	int ans2=-1,res=0,now=0;
	for(i=1;i<=2880;i++){
		now+=cnt[i];
		if(res!=1&&now>0)ans2++,res=1;
		if(res!=-1&&now<0)ans2++,res=-1;
	}
	cout<<ans<<'\n'<<ans2<<'\n';
}

Compilation message (stderr)

preokret.cpp: In function 'int main()':
preokret.cpp:15:14: warning: unused variable 'k' [-Wunused-variable]
   15 |  int n,m,i,j,k;
      |              ^

• Subtask 1: 50 / 50