답안 #219223

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
219223 2020-04-04T16:06:21 Z Fasho Sure Bet (CEOI17_sure) C++14
100 / 100
174 ms 8568 KB
#include <bits/stdc++.h>
#define N 1000005
#define ll long long int 	
#define MP make_pair
#define pb push_back
#define ppb pop_back
#define sp " "
#define endl "\n"
#define fi first
#define se second
#define ii pair<int,int>
#define lli pair<ll,ll>
#define fast cin.tie(0);cout.tie(0);ios_base::sync_with_stdio(false)
#define fast2 freopen ("badhair.gir","r",stdin);freopen ("badhair.cik","w",stdout);
#define mod 1000000007
#define fs(x,y) for(ll i=1;i<=y;i++) cin>>x[i]
#define fo(i,x,y) for(ll i=x;i<=y;i++)
#define INF 1000000000005
#define ull unsigned long long int
using namespace std;

long double m,ar[N],sum,t,a[N],b[N],prefa[N],prefb[N];
ll n;
bool srt(long double x,long double y)
{
	return x>y;
}

int main()
{
	fast;
	cin>>n;
	fo(i,1,n)
	cin>>a[i]>>b[i];
	sort(a+1,a+n+1,srt);
	sort(b+1,b+n+1,srt);
	fo(i,1,n)
		prefa[i]=prefa[i-1]+a[i];
	fo(i,1,n)
		prefb[i]=prefb[i-1]+b[i];
	int l=0,r=0;
	while(l<=n && r<=n)
	{
		long double x=min(prefa[l],prefb[r]);
		// cout<<x<<sp<<l<<sp<<r<<endl;
		sum=max(sum,x-l-r);
		if(prefa[l]>prefb[r])
			r++;
		else
			l++;

	}
	cout<<fixed<<setprecision(4)<<sum;
}

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 6 ms 512 KB Output is correct
13 Correct 6 ms 512 KB Output is correct
14 Correct 6 ms 512 KB Output is correct
15 Correct 6 ms 512 KB Output is correct
16 Correct 6 ms 512 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 6 ms 512 KB Output is correct
13 Correct 6 ms 512 KB Output is correct
14 Correct 6 ms 512 KB Output is correct
15 Correct 6 ms 512 KB Output is correct
16 Correct 6 ms 512 KB Output is correct
17 Correct 138 ms 7928 KB Output is correct
18 Correct 141 ms 8112 KB Output is correct
19 Correct 174 ms 8056 KB Output is correct
20 Correct 138 ms 8056 KB Output is correct
21 Correct 156 ms 8568 KB Output is correct
22 Correct 145 ms 8056 KB Output is correct
23 Correct 136 ms 8056 KB Output is correct
24 Correct 139 ms 7996 KB Output is correct
25 Correct 139 ms 8160 KB Output is correct
26 Correct 156 ms 8440 KB Output is correct